CEN/TC 144/WG 1 - General safety requirements

This document specifies principles for the design of agricultural machinery and tractors that are used in agricultural applications and that have partially automated, semi-autonomous and autonomous functions. Additionally, it provides guidance on the type of information to be provided by the manufacturer on safe working practices (including information about residual risks).
The purpose of this document is to assist in the provision of more specific safety requirements, means of verification and information for use to ensure an appropriate level of safety for agricultural machinery and tractors with partially automated, semi-autonomous and autonomous functions used in a specified way.
This document deals with the significant hazards relevant to agricultural machinery and tractors with partially automated, semi-autonomous and autonomous functions when used as intended and under the conditions of misuse reasonably foreseeable by the manufacturer during normal operation and service.
Applicability of the design principles and any additional detailed requirements for design, verification, validation or information for use are outside the scope of this document. When risk assessment concludes that hazards are not significant hazards, the principles of this document do not apply.
NOTE          Safety requirements for specific non-automated functions of agricultural machinery and tractors can be available in machine-specific type-C standards.
This document is not applicable to:
—     forestry applications;
—     operations on public roads including relevant requirements for braking and steering systems.
This document is not applicable to agricultural machinery and tractors which are manufactured before the date of its publication, or to systems applied to agricultural machinery and tractors put into use before the date of its publication.

This document specifies principles for the design of agricultural machinery and tractors utilizing systems (perception, supervisory or other) to prevent unintended excursions beyond the boundary of the autonomous operating zone which are used in agricultural applications and that have partially automated, semi-autonomous and autonomous functions. Additionally, it provides guidance on the type of information to be provided by the manufacturer on safe working practices (including information about residual risks).
The autonomous operating zone itself is not within the scope of this document. The autonomous operating zone can include, for example, considerations for the autonomous operating zone location, physical or virtual boundaries, physical boundary types (natural or man-made) and the associated risks with the systems (perception, supervisory or other) to prevent unintended excursions beyond the boundary of the autonomous operating zone design.
The purpose of this document is to assist in the provision of more specific safety requirements, means of verification and information for use to ensure an appropriate level of safety for agricultural machinery and tractors with partially automated, semi-autonomous and autonomous functions used in a specified way.
This document deals with the significant hazards relevant to agricultural machinery and tractors with partially automated, semi-autonomous and autonomous functions when used as intended and under the conditions of misuse reasonably foreseeable by the manufacturer during normal operation and service.
Applicability of the design principles and any additional detailed requirements for design, verification, validation or information for use are outside the scope of this document. When risk assessment concludes that hazards are not significant hazards, the principles of this document do not apply.
NOTE          Safety requirements for specific non-automated functions of agricultural machinery and tractors can be available in machine-specific type-C standards.
This document is not applicable to:
—     forestry applications;
—     operations on public roads including relevant requirements for braking and steering systems.
This document is not applicable to agricultural machinery and tractors which are manufactured before the date of its publication, or to systems applied to agricultural machinery and tractors put into use before the date of its publication.

This document specifies principles for verification methods and validation principles of agricultural machinery and tractors that are used in agricultural applications and that have partially automated, semi-autonomous and autonomous functions.
The purpose of this document is to assist in the provision of more specific safety requirements, means of verification and information for use to ensure an appropriate level of safety for agricultural machinery and tractors with partially automated, semi-autonomous and autonomous functions used in a specified way.
This document deals with the significant hazards relevant to agricultural machinery and tractors with partially automated, semi-autonomous and autonomous functions when used as intended and under the conditions of misuse reasonably foreseeable by the manufacturer during normal operation and service.
Applicability of the design principles and any additional requirements, for design, verification, validation or information for use are outside the scope of this document. When risk assessment concludes that hazards are not significant hazards, the principles of this document do not apply.
NOTE          Safety requirements for specific non-automated functions of agricultural machinery and tractors can be available in machine-specific type-C standards.
This document is not applicable to:
—     forestry applications;
—     operations on public roads including relevant requirements for braking and steering systems.
This document is not applicable to agricultural machinery and tractors which are manufactured before the date of its publication, or to systems applied to agricultural machinery and tractors put into use before the date of its publication.

This document specifies principles for the design of obstacle protective systems used in agricultural machinery and tractors that are used in agricultural applications and that have partially automated, semi-autonomous and autonomous functions. Additionally, it provides guidance on the type of information to be provided by the manufacturer on safe working practices (including information about residual risks).
The purpose of this document is to assist in the provision of more specific safety requirements, means of verification and information for use to ensure an appropriate level of safety for agricultural machinery and tractors with partially automated, semi-autonomous and autonomous functions used in a specified way.
This document deals with the significant hazards relevant to agricultural machinery and tractors with partially automated, semi-autonomous and autonomous functions when used as intended and under the conditions of misuse reasonably foreseeable by the manufacturer during normal operation and service.
Applicability of the design principles and any additional detailed requirements for design, verification, validation or information for use are outside the scope of this document. When risk assessment concludes that hazards are not significant hazards, the principles of this document do not apply.
NOTE          Safety requirements for specific non-automated functions of agricultural machinery and tractors can be available in machine-specific type-C standards.
This document is not applicable to:
—     forestry applications;
—     operations on public roads including relevant requirements for braking and steering systems.
This document is not applicable to agricultural machinery and tractors which are manufactured before the date of its publication, or to systems applied to agricultural machinery and tractors put into use before the date of its publication.

This document sets out general principles for the design and development of safety-related parts of control systems (SRP/CS) on tractors used in agriculture and forestry and on self-propelled ride-on machines and mounted, semi-mounted and trailed machines used in agriculture. It can also be applied to mobile municipal equipment (e.g. street-sweeping machines).
This document is not applicable to:
—          aircraft and air-cushion vehicles used in agriculture;
—          lawn and garden equipment.
This document specifies the characteristics and categories required of SRP/CS for carrying out their safety-related functions. It does not identify performance levels for specific applications.
NOTE 1    Machine specific type-C standards can specify performance levels (AgPL) for safety-related functions in machines within their scope. Otherwise, the specification of AgPL is the responsibility of the manufacturer.
This document is applicable to the safety-related parts of electrical/electronic/programmable electronic systems (E/E/PES), as these relate to mechatronic systems. It covers the possible hazards caused by malfunctioning behaviour of E/E/PES safety-related systems, including interaction of these systems. It does not address hazards related to electric shock, fire, smoke, heat, radiation, toxicity, flammability, reactivity, corrosion, release of energy, and similar hazards, unless directly caused by malfunctioning behaviour of E/E/PES safety-related systems. It also covers malfunctioning behaviour of E/E/PES safety-related systems involved in protective measures, safeguards, or safety-related functions in response to non-E/E/PES hazards.
Examples included within the scope of this document:
—          SRP/CS limiting current flow in electric hybrids to prevent insulation failure/shock hazards;
—          electromagnetic interference with the SRP/CS;
—          SRP/CS designed to prevent fire.
Examples not included in the scope of this document:
—          insulation failure due to friction that leads to electric shock hazards;
—          nominal electromagnetic radiation impacting nearby machine control systems;
—          corrosion causing electric cables to overheat.
This document is not applicable to non-E/E/PES systems (e.g. hydraulic, mechanic or pneumatic).
NOTE 2    See also ISO 12100 for design principles related to the safety of machinery.
This document is not applicable to safety related parts of control systems manufactured before the date of its publication.

This document sets out general principles for the design and development of safety-related parts of control systems (SRP/CS) on tractors used in agriculture and forestry and on self-propelled ride-on machines and mounted, semi-mounted and trailed machines used in agriculture. It can also be applied to mobile municipal equipment (e.g. street-sweeping machines).
This document is not applicable to:
—          aircraft and air-cushion vehicles used in agriculture;
—          lawn and garden equipment.
This document specifies the characteristics and categories required of SRP/CS for carrying out their safety-related functions. It does not identify performance levels for specific applications.
NOTE 1    Machine specific type-C standards can specify performance levels (AgPL) for safety-related functions in machines within their scope. Otherwise, the specification of AgPL is the responsibility of the manufacturer.
This document is applicable to the safety-related parts of electrical/electronic/programmable electronic systems (E/E/PES), as these relate to mechatronic systems. It covers the possible hazards caused by malfunctioning behaviour of E/E/PES safety-related systems, including interaction of these systems. It does not address hazards related to electric shock, fire, smoke, heat, radiation, toxicity, flammability, reactivity, corrosion, release of energy, and similar hazards, unless directly caused by malfunctioning behaviour of E/E/PES safety-related systems. It also covers malfunctioning behaviour of E/E/PES safety-related systems involved in protective measures, safeguards, or safety-related functions in response to non-E/E/PES hazards.
Examples included within the scope of this document:
—          SRP/CS's limiting current flow in electric hybrids to prevent insulation failure/shock hazards;
—          electromagnetic interference with the SRP/CS;
—          SRP/CS's designed to prevent fire.
Examples not included in the scope of this document:
—          insulation failure due to friction that leads to electric shock hazards;
—          nominal electromagnetic radiation impacting nearby machine control systems;
—          corrosion causing electric cables to overheat.
This document is not applicable to non-E/E/PES systems (e.g. hydraulic, mechanic or pneumatic).
NOTE 2    See also ISO 12100 for design principles related to the safety of machinery.
This document is not applicable to safety related parts of control systems manufactured before the date of its publication.

This document specifies the concept phase of the development of safety-related parts of control systems (SRP/CS) on tractors used in agriculture and forestry and on self-propelled ride-on machines and mounted, semi-mounted and trailed machines used in agriculture. It can also be applied to mobile municipal equipment (such as street-sweeping machines).
This document is not applicable to:
—          aircraft and air-cushion vehicles used in agriculture;
—          lawn and garden equipment.
This document specifies the characteristics and categories required of SRP/CS for carrying out their safety-related functions. It does not identify performance levels for specific applications.
NOTE 1    Machine specific type-C standards can specify performance levels (AgPL) for safety-related functions in machines within their scope. Otherwise, the specification of AgPL is the responsibility of the manufacturer.
This document is applicable to the safety-related parts of electrical/electronic/programmable electronic systems (E/E/PES), as these relate to mechatronic systems. It covers the possible hazards caused by malfunctioning behaviour of E/E/PES safety-related systems, including interaction of these systems. It does not address hazards related to electric shock, fire, smoke, heat, radiation, toxicity, flammability, reactivity, corrosion, release of energy, and similar hazards., unless directly caused by malfunctioning behaviour of E/E/PES safety-related systems. It also covers malfunctioning behaviour of E/E/PES safety-related systems involved in protection measures, safeguards, or safety-related functions in response to non-E/E/PES hazards.
Examples included within the scope of this document:
—          SRP/CS's limiting current flow in electric hybrids to prevent insulation failure/shock hazards;
—          electromagnetic interference with the SRP/CS;
—           SRP/CS's designed to prevent fire.
Examples not included within the scope of this document:
—          insulation failure due to friction that leads to electric shock hazards;
—          nominal electromagnetic radiation impacting nearby machine control systems;
—          corrosion causing electric cables to overheat.
This document is not applicable to non-E/E/PES systems (such as hydraulic, mechanic or pneumatic).
NOTE 2    See also ISO 12100 for design principles related to the safety of machinery.
This document is not applicable to safety-related parts of control systems manufactured before the date of its publication.

This document sets out general principles for the design and development of safety-related parts of control systems (SRP/CS) on tractors used in agriculture and forestry and on self-propelled ride-on machines and mounted, semi-mounted and trailed machines used in agriculture. It can also be applied to mobile municipal equipment (e.g. street-sweeping machines).
This document is not applicable to:
—          aircraft and air-cushion vehicles used in agriculture;
—          lawn and garden equipment.
This document specifies the characteristics and categories required of SRP/CS for carrying out their safety-related functions. It does not identify performance levels for specific applications.
NOTE 1    Machine specific type-C standards can specify performance levels (AgPL) for safety-related functions in machines within their scope. Otherwise, the specification of AgPL is the responsibility of the manufacturer.
This document is applicable to the safety-related parts of electrical/electronic/programmable electronic systems (E/E/PES), as these relate to mechatronic systems. It covers the possible hazards caused by malfunctioning behaviour of E/E/PES safety-related systems, including interaction of these systems. It does not address hazards related to electric shock, fire, smoke, heat, radiation, toxicity, flammability, reactivity, corrosion, release of energy, and similar hazards, unless directly caused by malfunctioning behaviour of E/E/PES safety-related systems. It also covers malfunctioning behaviour of E/E/PES safety-related systems involved in protective measures, safeguards, or safety-related functions in response to non-E/E/PES hazards.
Examples included within the scope of this document:
—          SRP/CS limiting current flow in electric hybrids to prevent insulation failure/shock hazards;
—          electromagnetic interference with the SRP/CS;
—          SRP/CS designed to prevent fire.
Examples not included in the scope of this document:
—          insulation failure due to friction that leads to electric shock hazards;
—          nominal electromagnetic radiation impacting nearby machine control systems;
—          corrosion causing electric cables to overheat.
This document is not applicable to non-E/E/PES systems (e.g. hydraulic, mechanic or pneumatic).
NOTE 2    See also ISO 12100 for design principles related to the safety of machinery.
This document is not applicable to safety related parts of control systems manufactured before the date of its publication.

2021-11-08 JF:via decision BT C204/2021, taken on 2021-11-03, CEN/BT approved  revised Annex ZA of the EN. EN under publication.
2021-02-18 JF: at the meeting held on 2021-02-17 with French Authorities, HAS Consultant and ISO and CEN representatives the LoC assessment at 2nd FV was resolved
2021-02-01 TAN: The ballot is put on hold in ISO. Ballot cancelled in CEN.
2021-01-06 JF: through decision C224/2020, CEN/BT approved the 2nd vote
2020-07-10 JF: CEN and ISO/TCs intend to have a 2nd vote in order to address LoC assessment as the changes are technical. CCMC asked CEN/TC to launch the ballot on 2nd vote.
2020-06-30 JF: CEN/TC Secretariat informed about the need to revise the Annex ZA in order to address the concerns of market surveillance authorites. The Annex ZA is intended to be revised after the publication of ISO standard

1.1   This European Standard, when used together with EN ISO 4254 1 and EN 15811, specifies safety requirements and measures for self-propelled rough-terrain work platforms for orchard’s operations (WPO) operating at a maximum of 3 m high as defined in 3.1, where the vertical projection of the centre of the area of the platform in all platform configurations at the maximum chassis inclination specified by the manufacturer is always inside the tipping lines, used in agriculture, designed to work on unimproved natural terrain and/or disturbed terrain and intended to move at least two persons to working positions in an orchard where they are carrying out fruit picking, thinning out, pruning, or other operations related to orchard from the work platform.
NOTE   For examples of rough-terrain work platforms for orchard’s operations (WPO), see Figures E. 1 to E.3.
This European Standard describes methods for the elimination or reduction of hazards arising from the intended use of these machines in the course of normal operation and service, except hazards related to conveyor belts and elevators for the bin. In addition, it specifies the type of information on safe working practices (including residual risks) to be provided by the manufacturer.
When requirements of this document are different from those which are stated in EN ISO 4254 1, the requirements of this document take precedence over the requirements of EN ISO 4254 1 for machines that have been designed and built according to the provisions of this document.
This European Standard, taken together with EN ISO 4254 1 and EN 15811, deals with all the significant hazards, hazardous situations and events (as listed in Table 1) relevant to WPOs, when they are used as intended and under the conditions of misuse foreseeable by the manufacturer.
It does not cover the hazards arising from:
a)   use in potentially explosive atmospheres;
b)   getting on and off the work platform at changing levels;
c)   environmental aspects;
d)   road safety.
1.2   This European Standard does not apply to:
a)   Mobile Elevating Work Platforms (MEWPs) (see EN 280);
NOTE 1   Figure E.4 gives an example of this type of machine.
b)   boom-type MEWPs (see EN 280);
NOTE 2   Figure E.5 and E.6 give examples of this type of machine.
c)   tail lifts (see EN 1756-1 and EN 1756-2);
d)   mast climbing work platforms (see EN 1495);
e)   lifting tables (see EN 1570-1);
f)   aircraft ground support equipment (see e.g. EN 1915-1 and EN 1915-2);
g)   elevating operator positions on industrial trucks (see EN 1726-2);
h)   unguided work cages suspended from lifting appliances (see e.g. EN 1808);
i)    machines having centre of the area of the platform outside the tipping lines.
NOTE 3   Figure E.7 gives an example of this type of machine.

This document specifies safety requirements and their verification for the design and construction of power take-off (PTO) drive shafts and their guards linking a tractor or self-propelled machinery to the first fixed bearing of recipient machinery. It describes methods for the elimination or reduction of risks which need specific requirements including such risks arising from misuse, reasonably foreseeable by the manufacturer. It is applicable only to those PTO drive shafts and guards mechanically linked to the shaft by at least two bearings.
In addition, it specifies the type of information on safe working practices to be provided by the manufacturer.
This document does not deal with:
-   the guards totally covering, but not mechanically linked to, the PTO drive shaft;
-   the mechanical characteristics of PTO drive shafts, overrun devices and torque limiters;
-   general hazards which are dealt with in EN ISO 4254-1:2015 (see introduction).
Environmental aspects have not been considered in this document.
This document is not applicable to PTO drive shafts and their guards which are manufactured before the date of publication of this document by CEN.

This European Standard establishes a uniform format for reporting accidents where the following equipment are involved:
—   agricultural and forestry tractors (NACE code 09.02.03.01);
—   equipment fitted on tractors (e.g. a front – end loader) (NACE code 09.02.99.00);
—   equipment mounted on the tractor (front and/or rear) (NACE code 09.02.99.00);
—   equipment towed by tractors (trailers and machinery) (NACE code 09.02.04.99);
—   self-propelled machinery (NACE code 09.02.03.02);
—   telescopic loaders (NACE code 09.02.03.02);
—   lawn and gardening equipment (NACE code 09.02.99.00);
—   powered hand-held machinery used in agriculture (NACE code 09.02.99.00).
Accidents with this equipment on road use are also covered by this document.
Are excluded from the scope of this document:
—   the above-mentioned equipment when used in another environment than agriculture, forestry and landscape gardening (e.g. tractors used on construction sites);
—   material handling equipment other than telescopic loaders, skid steer loaders, wheel loaders and front-end loaders mounted on tractors.
All profiles of harmed persons should be in the scope. There should be no distinction/exemption between employers, employees, self-employed persons, bystanders or other persons involved in the accident.
Situations that are excluded from the scope of this document:
—   near-miss accidents and other incidents, not resulting in harm;
—   chronic diseases as a result of physical agents.
Fire hazards are only in the Scope for those fire accidents that have caused physical harm.

ISO 17989-1:2015 provides guidelines to assist designers and manufacturers of tractors and machinery for agriculture and forestry to integrate sustainability principles, practices and considerations into their organizations and processes. This part of ISO 17989 is specifically applicable to equipment used in the production of food, fibres, fuel and lumber for humans and livestock.
NOTE          This part of ISO 17989 includes three different levels for the application: principles, recommendations and additional information (annexes).
ISO 17989-1:2015 is addressed to the organization management and provides guidance for considering sustainability aspects relevant for the organization and the product life cycle. It defines the factory gate as the system boundary (Figure 1).
ISO 17989-1:2015 is not applicable to contractual or regulatory purposes or to registration and certification.
Except when they are closely related to sustainability, this part of ISO 17989 does not address issues of occupational health and safety or operator safety aspects of a machine's design. Designers can find guidance on these issues in other International Standards.

ISO 4254-1:2013 specifies the safety requirements and the means of their verification for the design and construction of self-propelled ride-on machines, mounted, semi-mounted and trailed machines used in agriculture in order to deal with the hazards which are typical for most of the machines. In addition, it specifies the type of information on safe working practices including information about residual risks to be provided by the manufacturer.
This document deals with significant hazards, hazardous situations and events relevant to this agricultural machinery when used as intended and under the conditions of misuse foreseeable by the manufacturer during normal operation and service.
ISO 4254-1:2013 is not applicable to
?       agricultural or forestry tractors,
?       aircraft and air-cushion vehicles used in agriculture,
?       lawn and garden equipment,
?       machine-specific components or functions (e.g. working tools and/or processes).
ISO 4254-1:2013 is not applicable to hazards related to periodic service, machine conversion and repairs intended to be carried out by professional service personnel, environmental hazards, road safety (e.g. steering, braking), or to the power take-off (PTO) drive shaft; neither is it applicable to guards of moving parts for power transmission except for strength requirements for guards and barriers.
ISO 4254-1:2013 is not applicable to machines which are manufactured before the date of its publication.
Not all of the hazards dealt with by ISO 4254-1:2013 are necessarily present on a particular machine. A risk assessment should be carried out by the manufacturer to determine the hazards that are applicable and any hazards in addition to those dealt with by this part or a relevant machine-specific part. The requirements of a machine-specific part of ISO 4254 take precedence over the requirements of this part.

This European Standard specifies the safety requirements and their verification for the design and construction of fixed guards to be opened or removed by the use of a tool and interlocking guards with or without guard locking for moving parts of the power transmission on self-propelled ride-on machines and mounted, semi-mounted or trailed machines used in agriculture. In addition, it specifies the type of information on safe working practices (including residual risks) to be provided by the manufacturer.
It deals with the significant hazards (as listed in Annex A), hazardous situations and events relevant for fixed guards to be opened or removed by the use of a tool and interlocking movable guards of moving parts of power transmission used as intended and under the conditions reasonably foreseeable by the manufacturer (see Clause 4 and Clause 5).
It is not applicable to guards of moving parts of the power transmission of:
-   agricultural and forestry tractors,
-   aircraft and air cushion vehicles used in agriculture,
-   lawn and garden equipment, or
-   PTO drive shafts between agricultural and forestry tractors and mounted or towed implements.

This European Standard, when used together with EN ISO 4254-1 and EN 15811, specifies the safety requirements and their verification for the design and construction of hydraulic backhoes mounted to the three point linkage of a tractor. It describes methods for the elimination or reduction of hazards arising from the intended use of these machines by one person (the operator) in the course of normal operation and service. In addition, it specifies the type of information on safe working practices (including residual risks) to be provided by the manufacturer.
When requirements of this document are different from those which are stated in EN ISO 4254-1, the requirements of this document take precedence over the requirements of EN ISO 4254-1 for machines that have been designed and built according to the provisions of this document.
This European Standard, taken together with EN ISO 4254-1, deals with all the significant hazards, hazardous situations and events (as listed in Table 1) relevant to hydraulic backhoes mounted to the three point linkage of a tractor, when they are used as intended and under the conditions of misuse foreseeable by the manufacturer.
This European Standard is not applicable to lifting operations for the movement of unit loads with hooks or other similar devices; materials connected with excavation activities shall should not be intended as unit loads and their movement is covered by this Standardstandard.
This European Standard does not give requirements for quick hitch devices.
NOTE 1   An amendment of EN 474-1 is under preparation to deal with this issue. It will be evaluated for inclusion in this European Standard.
NOTE 2   Specific requirements related to road traffic regulations are not taken into account in this European Standard.
This European Standard is not applicable to hydraulic backhoes which are manufactured before the date of its publication as EN.

This European Standard specifies a method for combustion engine driven pedestrian controlled and hand-held machines with or without back pack power unit used in agriculture, forestry and gardening to determine those parts of the surfaces identified by the product specific standards that are hot surfaces and can be touched unintentionally by an operator during normal operation.
This European Standard is only applicable together with product specific standards for the categories of machines specified above.
This European Standard does not specify which surfaces shall be assessed.

2012-12-03 EMA: Allocated to WG 1 following Decision 506 taken on 2012-11-27.
2008-08-18 - Flore Vaucelle requests removal of Consultant Nielsen.

This document specifies safety requirements and their verification for the design and construction of front loaders designed to be mounted on agricultural and forestry tractors (as defined in the Regulation EU 167/2013).
It deals with all significant hazards, hazardous situations and events relevant to front loaders when used as intended and under the conditions of misuse which are reasonably foreseeable. This includes hazards related to the handling of unit loads during operations (for example, using bale forks), hazards related to mounting/demounting the lifting arms to/from the frame mounted on the tractor, and also hazards related to devices for mounting/demounting attachments to/from the lifting arms.
In addition, it specifies the type of information on safe working practices.
Hazards related to the mounted attachments with or without powered functions are excluded, as well as hazards related to visibility and those related to the mobile elevating work platform applications to a front loader, because the front loader is not designed to lift and/or transport people. Front loaders with fully or partially self-evolving behaviour or logic and/or with varying levels of autonomy are also excluded.
Environmental aspects, other than noise, have not been considered in this document.
This document is not applicable to front loaders which are manufactured before the date of its publication as EN.

This document specifies tests for determining the strength and wear resistance of guards for power take-off (PTO) drive- shafts on tractors and machinery used in agriculture and forestry, and their acceptance criteria. It is intended to be used in combination with ISO 5673-1:2005.
It is applicable to the testing of PTO drive- shaft guards and their restraining means. It is not applicable to the testing of guards designed and constructed to be used as steps.
This document is not applicable to guards for power take-off drive shafts that are manufactured before the date of publication of this document.

This document specifies safety requirements and their verification for the design and construction of power take-off (PTO) drive shafts and their guards linking a tractor or self-propelled machinery to the first fixed bearing of recipient machinery. It describes methods for the elimination or reduction of risks which need specific requirements including such risks arising from misuse, reasonably foreseeable by the manufacturer. It is applicable only to those PTO drive shafts and guards mechanically linked to the shaft by at least two bearings.
In addition, it specifies the type of information on safe working practices to be provided by the manufacturer.
This document does not deal with:
-   the guards totally covering, but not mechanically linked to, the PTO drive shaft;
-   the mechanical characteristics of PTO drive shafts, overrun devices and torque limiters;
-   general hazards which are dealt with in EN ISO 4254-1:2015 (see introduction).
Environmental aspects have not been considered in this document.
This document is not applicable to PTO drive shafts and their guards which are manufactured before the date of publication of this document by CEN.

This document specifies principles for the design of autonomous operating zones for agricultural
machinery and tractors that are used in agricultural applications and that have partially automated,
semi-autonomous and autonomous functions. Additionally, it provides guidance on the type of
information, to be provided by the manufacturer, on safe working practices (including information about
residual risks).
The purpose of this document is to assist in the provision of more specific safety requirements, means
of verification and information for use to ensure an appropriate level of safety for agricultural machinery
and tractors with partially automated, semi-autonomous and autonomous functions used in a specified
way.
This document deals with all the significant hazards, hazardous situations and events, relevant to
agricultural machinery and tractors with partially automated, semi-autonomous and autonomous
functions when used as intended and under the conditions of misuse foreseeable by the manufacturer
during normal operation and service.
NOTE 1 While this series of documents gives principles for the design, verification, validation and
provision of information for use, the detailed requirements are dependent on the use case. Therefore,
the design principles given in this document need to be extended and clarified by the use of relevant
specific (type-C) standards, when available, or by the manufacturer of the machine using a risk
assessment. Applicability of the design principles and any additional requirements, for design,
verification, validation or information for use are outside the scope of this document.
NOTE 2 Safety requirements for specific non-automated functions of agricultural machinery and
tractors can be available in machine-specific type-C standards.
This document is not applicable to:
— forestry applications;
— operations on public roads including relevant requirements for braking and steering systems.
This document is not applicable to agricultural machinery and tractors which are manufactured before
the date of its publication

ISO 25119-3:2010 provides general principles for the series development, hardware and software of safety-related parts of control systems (SRP/CS) on tractors used in agriculture and forestry, and on self-propelled ride-on machines and mounted, semi-mounted and trailed machines used in agriculture. It can also be applied to municipal equipment (e.g. street‑sweeping machines). It specifies the characteristics and categories required of SRP/CS for carrying out their safety functions.
ISO 25119-3:2010 is applicable to the safety-related parts of electrical/electronic/programmable electronic systems (E/E/PES). As these relate to mechatronic systems, it does not specify which safety functions or categories are to be used in a particular case.
It is not applicable to non-E/E/PES systems (e.g. hydraulic, mechanic or pneumatic).

ISO 25119-1:2010 sets out general principles for the design and development of safety-related parts of control systems (SRP/CS) on tractors used in agriculture and forestry, and on self-propelled ride-on machines and mounted, semi-mounted and trailed machines used in agriculture. It can also be applied to municipal equipment (e.g. street‑sweeping machines). It specifies the characteristics and categories required of SRP/CS for carrying out their safety functions.
ISO 25119-1:2010 is applicable to the safety-related parts of electrical/electronic/programmable electronic systems (E/E/PES). As these relate to mechatronic systems, it does not specify which safety functions or categories are to be used in a particular case. It is not applicable to non-E/E/PES systems (e.g. hydraulic, mechanic, or pneumatic).

ISO 25119-4:2010 provides general principles for the production, operation, modification and supporting processes of safety-related parts of control systems (SRP/CS) on tractors used in agriculture and forestry, and on self-propelled ride-on machines and mounted, semi-mounted and trailed machines used in agriculture. It can also be applied to municipal equipment (e.g. street‑sweeping machines). It specifies the characteristics and categories required of SRP/CS for carrying out their safety functions.
ISO 25119-4:2010 is applicable to the safety-related parts of electrical/electronic/programmable electronic systems (E/E/PES). As these relate to mechatronic systems, it does not specify which safety functions or categories are to be used in a particular case.
It is not applicable to non-E/E/PES systems (e.g. hydraulic, mechanic or pneumatic).

2021-01-08 TC request to link the Part 1 to both MD and EMC

1.1   This European Standard, when used together with EN ISO 4254 1 and EN 15811, specifies safety requirements and measures for self-propelled rough-terrain work platforms for orchard’s operations (WPO) operating at a maximum of 3 m high as defined in 3.1, where the vertical projection of the centre of the area of the platform in all platform configurations at the maximum chassis inclination specified by the manufacturer is always inside the tipping lines, used in agriculture, designed to work on unimproved natural terrain and/or disturbed terrain and intended to move at least two persons to working positions in an orchard where they are carrying out fruit picking, thinning out, pruning, or other operations related to orchard from the work platform.
NOTE   For examples of rough-terrain work platforms for orchard’s operations (WPO), see Figures E. 1 to E.3.
This European Standard describes methods for the elimination or reduction of hazards arising from the intended use of these machines in the course of normal operation and service, except hazards related to conveyor belts and elevators for the bin. In addition, it specifies the type of information on safe working practices (including residual risks) to be provided by the manufacturer.
When requirements of this document are different from those which are stated in EN ISO 4254 1, the requirements of this document take precedence over the requirements of EN ISO 4254 1 for machines that have been designed and built according to the provisions of this document.
This European Standard, taken together with EN ISO 4254 1 and EN 15811, deals with all the significant hazards, hazardous situations and events (as listed in Table 1) relevant to WPOs, when they are used as intended and under the conditions of misuse foreseeable by the manufacturer.
It does not cover the hazards arising from:
a)   use in potentially explosive atmospheres;
b)   getting on and off the work platform at changing levels;
c)   environmental aspects;
d)   road safety.
1.2   This European Standard does not apply to:
a)   Mobile Elevating Work Platforms (MEWPs) (see EN 280);
NOTE 1   Figure E.4 gives an example of this type of machine.
b)   boom-type MEWPs (see EN 280);
NOTE 2   Figure E.5 and E.6 give examples of this type of machine.
c)   tail lifts (see EN 1756-1 and EN 1756-2);
d)   mast climbing work platforms (see EN 1495);
e)   lifting tables (see EN 1570-1);
f)   aircraft ground support equipment (see e.g. EN 1915-1 and EN 1915-2);
g)   elevating operator positions on industrial trucks (see EN 1726-2);
h)   unguided work cages suspended from lifting appliances (see e.g. EN 1808);
i)    machines having centre of the area of the platform outside the tipping lines.
NOTE 3   Figure E.7 gives an example of this type of machine.

This document specifies the concept phase of the development of safety-related parts of control systems (SRP/CS) on tractors used in agriculture and forestry and on self-propelled ride-on machines and mounted, semi-mounted and trailed machines used in agriculture. It can also be applied to mobile municipal equipment (e.g. street-sweeping machines).
This document is not applicable to:
— aircraft and air-cushion vehicles used in agriculture;
— lawn and garden equipment.
This document specifies the characteristics and categories required of SRP/CS for carrying out their safety-related functions. It does not identify performance levels for specific applications.
NOTE 1 Machine specific type-C standards can specify performance levels (AgPL) for safety-related functions in machines within their scope. Otherwise, the specification of AgPL is the responsibility of the manufacturer.
This document is applicable to the safety-related parts of electrical/electronic/programmable electronic systems (E/E/PES), as these relate to mechatronic systems. It covers the possible hazards caused by malfunctioning behaviour of E/E/PES safety-related systems, including interaction of these systems. It does not address hazards related to electric shock, fire, smoke, heat, radiation, toxicity, flammability, reactivity, corrosion, release of energy, and similar hazards., unless directly caused by malfunctioning behaviour of E/E/PES safety-related systems. It also covers malfunctioning behaviour of E/E/PES safety-related systems involved in protection measures, safeguards, or safety-related functions in response to non-E/E/PES hazards.
Examples included within the scope of this document:
— SRP/CS's limiting current flow in electric hybrids to prevent insulation failure/shock hazards;
— electromagnetic interference with the SRP/CS;
— SRP/CS's designed to prevent fire.
Examples not included within the scope of this document:
— insulation failure due to friction that leads to electric shock hazards;
— nominal electromagnetic radiation impacting nearby machine control systems;
— corrosion causing electric cables to overheat.
This document is not applicable to non-E/E/PES systems (e.g. hydraulic, mechanic or pneumatic).
NOTE 2 See also ISO 12100 for design principles related to the safety of machinery.
This document is not applicable to safety related parts of control systems manufactured before the date of its publication.

This document specifies principles for the design of highly automated aspects of highly automated machines and vehicles (e.g. agricultural tractors, tractor implement systems, implements and self-propelled machinery) during agricultural field operations. In addition, it provides guidance on the type of information on safe working practices (including information about residual risks) to be provided by the manufacturer.
The purpose of this document is to assist in the provision of safety requirements, means of verification and information for use to ensure an appropriate level of safety for agricultural and forestry tractors and self-propelled machines with functions allowing highly automated operations (see 3.7).
This document deals with all the significant hazards, hazardous situations and events (as listed in Annex A), relevant to agricultural and forestry tractors and self-propelled machines allowing highly automated field operations when used as intended and under the conditions of misuse foreseeable by the manufacturer during normal operation and service.
NOTE 1    While this document gives principles for the design, verification, validation and provision of information for use of a highly automated agricultural machine (HAAM), the detailed specification of requirements for a specific application will be dependent on the machine and its operating conditions. Therefore, the principles for design given in this document need to be extended for specific HAAM by the use of relevant specific (type-C) standards, when available, or by the manufacturer of the machine using risk assessment. Such additional specification of requirements, for design, verification, validation or information for use are outside the scope of this document.
NOTE 2    Safety requirements for specific machines not related to their highly automated operations can be available in machine-specific type-C standards.
This document is not applicable to:
—          forestry applications;
—          mobile, semi-mobile or stationary machinery used for farm yard or barn operations;
—          operations on public roads including relevant requirements for braking and steering systems.
NOTE 3    With respect to implements (e.g. their specific design, functions) and the communication between tractors and implements, additional risks can be relevant and can require additional measures. Such additional measures are outside the scope of this document and are the responsibility of the manufacturer.
This document is not applicable to agricultural and forestry tractors, tractor implement systems, implements and self-propelled machines which are manufactured before the date of its publication.

1.1   This European Standard, when used together with EN ISO 4254 1 and EN 15811, specifies safety requirements and measures for self-propelled rough-terrain work platforms for orchard’s operations (WPO) operating at a maximum of 3 m high as defined in 3.1, where the vertical projection of the centre of the area of the platform in all platform configurations at the maximum chassis inclination specified by the manufacturer is always inside the tipping lines, used in agriculture, designed to work on unimproved natural terrain and/or disturbed terrain and intended to move at least two persons to working positions in an orchard where they are carrying out fruit picking, thinning out, pruning, or other operations related to orchard from the work platform.
NOTE   For examples of rough-terrain work platforms for orchard’s operations (WPO), see Figures E. 1 to E.3.
This European Standard describes methods for the elimination or reduction of hazards arising from the intended use of these machines in the course of normal operation and service, except hazards related to conveyor belts and elevators for the bin. In addition, it specifies the type of information on safe working practices (including residual risks) to be provided by the manufacturer.
When requirements of this document are different from those which are stated in EN ISO 4254 1, the requirements of this document take precedence over the requirements of EN ISO 4254 1 for machines that have been designed and built according to the provisions of this document.
This European Standard, taken together with EN ISO 4254 1 and EN 15811, deals with all the significant hazards, hazardous situations and events (as listed in Table 1) relevant to WPOs, when they are used as intended and under the conditions of misuse foreseeable by the manufacturer.
It does not cover the hazards arising from:
a)   use in potentially explosive atmospheres;
b)   getting on and off the work platform at changing levels;
c)   environmental aspects;
d)   road safety.
1.2   This European Standard does not apply to:
a)   Mobile Elevating Work Platforms (MEWPs) (see EN 280);
NOTE 1   Figure E.4 gives an example of this type of machine.
b)   boom-type MEWPs (see EN 280);
NOTE 2   Figure E.5 and E.6 give examples of this type of machine.
c)   tail lifts (see EN 1756-1 and EN 1756-2);
d)   mast climbing work platforms (see EN 1495);
e)   lifting tables (see EN 1570-1);
f)   aircraft ground support equipment (see e.g. EN 1915-1 and EN 1915-2);
g)   elevating operator positions on industrial trucks (see EN 1726-2);
h)   unguided work cages suspended from lifting appliances (see e.g. EN 1808);
i)    machines having centre of the area of the platform outside the tipping lines.
NOTE 3   Figure E.7 gives an example of this type of machine.

This document sets out general principles for the design and development of safety-related parts of control systems (SRP/CS) on tractors used in agriculture and forestry and on self-propelled ride-on machines and mounted, semi-mounted and trailed machines used in agriculture. It can also be applied to mobile municipal equipment (e.g. street-sweeping machines).
This document is not applicable to:
— aircraft and air-cushion vehicles used in agriculture;
— lawn and garden equipment.
This document specifies the characteristics and categories required of SRP/CS for carrying out their safety-related functions. It does not identify performance levels for specific applications.
NOTE 1 Machine specific type-C standards can specify performance levels (AgPL) for safety-related functions in machines within their scope. Otherwise, the specification of AgPL is the responsibility of the manufacturer.
This document is applicable to the safety-related parts of electrical/electronic/programmable electronic systems (E/E/PES), as these relate to mechatronic systems. It covers the possible hazards caused by malfunctioning behaviour of E/E/PES safety-related systems, including interaction of these systems. It does not address hazards related to electric shock, fire, smoke, heat, radiation, toxicity, flammability, reactivity, corrosion, release of energy, and similar hazards, unless directly caused by malfunctioning behaviour of E/E/PES safety-related systems. It also covers malfunctioning behaviour of E/E/PES safety-related systems involved in protective measures, safeguards, or safety-related functions in response to non-E/E/PES hazards.
Examples included within the scope of this document:
— SRP/CS's limiting current flow in electric hybrids to prevent insulation failure/shock hazards;
— electromagnetic interference with the SRP/CS;
— SRP/CS's designed to prevent fire.
Examples not included in the scope of this document:
— insulation failure due to friction that leads to electric shock hazards;
— nominal electromagnetic radiation impacting nearby machine control systems;
— corrosion causing electric cables to overheat.
This document is not applicable to non-E/E/PES systems (e.g. hydraulic, mechanic or pneumatic).
NOTE 2 See also ISO 12100 for design principles related to the safety of machinery.
This document is not applicable to safety related parts of control systems manufactured before the date of its publication.

This document sets out general principles for the design and development of safety-related parts of control systems (SRP/CS) on tractors used in agriculture and forestry and on self-propelled ride-on machines and mounted, semi-mounted and trailed machines used in agriculture. It can also be applied to mobile municipal equipment (e.g. street-sweeping machines).
This document is not applicable to:
— aircraft and air-cushion vehicles used in agriculture;
— lawn and garden equipment.
This document specifies the characteristics and categories required of SRP/CS for carrying out their safety-related functions. It does not identify performance levels for specific applications.
NOTE 1 Machine specific type-C standards can specify performance levels (AgPL) for safety-related functions in machines within their scope. Otherwise, the specification of AgPL is the responsibility of the manufacturer.
This document is applicable to the safety-related parts of electrical/electronic/programmable electronic systems (E/E/PES), as these relate to mechatronic systems. It covers the possible hazards caused by malfunctioning behaviour of E/E/PES safety-related systems, including interaction of these systems. It does not address hazards related to electric shock, fire, smoke, heat, radiation, toxicity, flammability, reactivity, corrosion, release of energy, and similar hazards, unless directly caused by malfunctioning behaviour of E/E/PES safety-related systems. It also covers malfunctioning behaviour of E/E/PES safety-related systems involved in protective measures, safeguards, or safety-related functions in response to non-E/E/PES hazards.
Examples included within the scope of this document:
— SRP/CS limiting current flow in electric hybrids to prevent insulation failure/shock hazards;
— electromagnetic interference with the SRP/CS;
— SRP/CS designed to prevent fire.
Examples not included in the scope of this document:
— insulation failure due to friction that leads to electric shock hazards;
— nominal electromagnetic radiation impacting nearby machine control systems;
— corrosion causing electric cables to overheat.
This document is not applicable to non-E/E/PES systems (e.g. hydraulic, mechanic or pneumatic).
NOTE 2 See also ISO 12100 for design principles related to the safety of machinery.
This document is not applicable to safety related parts of control systems manufactured before the date of its publication.

This document sets out general principles for the design and development of safety-related parts of control systems (SRP/CS) on tractors used in agriculture and forestry and on self-propelled ride-on machines and mounted, semi-mounted and trailed machines used in agriculture. It can also be applied to mobile municipal equipment (e.g. street-sweeping machines).
This document is not applicable to:
— aircraft and air-cushion vehicles used in agriculture;
— lawn and garden equipment.
This document specifies the characteristics and categories required of SRP/CS for carrying out their safety-related functions. It does not identify performance levels for specific applications.
NOTE 1 Machine specific type-C standards can specify performance levels (AgPL) for safety-related functions in machines within their scope. Otherwise, the specification of AgPL is the responsibility of the manufacturer.
This document is applicable to the safety-related parts of electrical/electronic/programmable electronic systems (E/E/PES), as these relate to mechatronic systems. It covers the possible hazards caused by malfunctioning behaviour of E/E/PES safety-related systems, including interaction of these systems. It does not address hazards related to electric shock, fire, smoke, heat, radiation, toxicity, flammability, reactivity, corrosion, release of energy, and similar hazards, unless directly caused by malfunctioning behaviour of E/E/PES safety-related systems. It also covers malfunctioning behaviour of E/E/PES safety-related systems involved in protective measures, safeguards, or safety-related functions in response to non-E/E/PES hazards.
Examples included within the scope of this document:
— SRP/CS limiting current flow in electric hybrids to prevent insulation failure/shock hazards;
— electromagnetic interference with the SRP/CS;
— SRP/CS designed to prevent fire.
Examples not included in the scope of this document:
— insulation failure due to friction that leads to electric shock hazards;
— nominal electromagnetic radiation impacting nearby machine control systems;
— corrosion causing electric cables to overheat.
This document is not applicable to non-E/E/PES systems (e.g. hydraulic, mechanic or pneumatic).
NOTE 2 See also ISO 12100 for design principles related to the safety of machinery.
This document is not applicable to safety related parts of control systems manufactured before the date of its publication.

This part of EN 16590 specifies the concept phase of the development of safety-related parts of control systems (SRP/CS) on tractors used in agriculture and forestry, and on self-propelled ride-on machines and mounted, semi-mounted and trailed machines used in agriculture. It can also be applied to municipal equipment (e.g. street sweeping machines). It specifies the characteristics and categories required of SRP/CS for carrying out their safety functions.
This part of EN 16590 is applicable to the safety-related parts of electrical/electronic/programmable electronic systems (E/E/PES), as these relate to mechatronic systems. It does not specify which safety functions, categories or performance levels are to be used for particular machines.
Machine specific standards (type-C standards) can identify performance levels and/or categories or they should be determined by the manufacturer of the machine based on risk assessment.
It is not applicable to non-E/E/PES systems (e.g. hydraulic, mechanic or pneumatic).

This standard specifies safety requirements and their verification for the design and construction of power take-off (PTO) drive shafts and their guards linking self-propelled machinery (or tractor) to the first fixed bearing of recipient machinery, by describing methods for the elimination or reduction of risks which need specific requirements. This standard concerns only the PTO drive shafts and those guards which are mechanically linked to the PTO drive shaft by at least two bearings.
In addition, it specifies the type of information on safe working practices to be provided by the manufacturer.
This standard does not deal with:
-   the guards totally covering, but not mechanically linked to, the PTO drive shaft. As these devices are not at present widely established on the market, they should be dealt with in a future revision of this standard;
-   the mechanical characteristics of PTO drive shafts, overrun devices and torque limiters;
-   general hazards which are dealt with in EN 1553 (see introduction).
Environmental aspects have not been considered in this standard.
This document is not applicable to PTO drive shafts and their guards which are manufactured before the date of publication of this document by CEN.

This part of EN 16590 provides general principles for the production, operation, modification and supporting processes of safety-related parts of control systems (SRP/CS) on tractors used in agriculture and forestry, and on self-propelled ride-on machines and mounted, semi-mounted and trailed machines used in agriculture. It can also be applied to municipal equipment (e.g. street sweeping machines). It specifies the characteristics and categories required of SRP/CS for carrying out their safety functions.
This part of EN 16590 is applicable to the safety-related parts of electrical/electronic/programmable electronic systems (E/E/PES), as these relate to mechatronic systems. It does not specify which safety functions, categories or performance levels are to be used for particular machines.
Machine specific standards (type-C standards) can identify performance levels and/or categories or they should be determined by the manufacturer of the machine based on risk assessment.
It is not applicable to non-E/E/PES systems (e.g. hydraulic, mechanic or pneumatic).

This part of EN 16590 sets out general principles for the design and development of safety-related parts of control systems (SRP/CS) on tractors used in agriculture and forestry and on self-propelled ride-on machines and mounted, semi-mounted and trailed machines used in agriculture. It can also be applied to municipal equipment (e.g. street sweeping machines). It specifies the characteristics and categories required of SRP/CS for carrying out their safety functions.
This part of EN 16590 is applicable to the safety-related parts of electrical/electronic/programmable electronic systems (E/E/PES), as these relate to mechatronic systems. It does not specify which safety functions, categories or performance levels are to be used for particular machines.
Machine specific standards (type-C standards) can identify performance levels and/or categories or they should be determined by the manufacturer of the machine based on risk assessment.
It is not applicable to non-E/E/PES systems (e.g. hydraulic, mechanic or pneumatic).
NOTE   See also EN ISO 12100 for design principles related to the safety of machinery.

This part of EN 16590 provides general principles for the series development, hardware and software of safety-related parts of control systems (SRP/CS) on tractors used in agriculture and forestry, and on self-propelled ride-on machines and mounted, semi-mounted and trailed machines used in agriculture. It can also be applied to municipal equipment (e.g. street sweeping machines). It specifies the characteristics and categories required of SRP/CS for carrying out their safety functions.
This part of EN 16590 is applicable to the safety-related parts of electrical/electronic/programmable electronic systems (E/E/PES), as these relate to mechatronic systems. It does not specify which safety functions, categories or performance levels are to be used for particular machines.
Machine specific standards (type-C standards) can identify performance levels and/or categories or they should be determined by the manufacturer of the machine based on risk assessment.
It is not applicable to non-E/E/PES systems (e.g. hydraulic, mechanic or pneumatic).

TC - Editorial modification to the Foreword of the EN ISO text.
2013: Originator of XML version: first setup pilot of CCMC in 2012

This European Standard gives safety requirements, and the means of verifying them, for the design and construction of guards, only able to be opened with a tool, which are used to guard the moving parts of the power transmission of self-propelled ride-on machines and mounted, semi-mounted or trailed machines used in agriculture. In addition, it specifies the type of information on safe working practices (including residual risks) to be provided by the manufacturer.
It deals with the significant hazards (as listed in Annex A), hazardous situations and events relevant to guards of moving parts of power transmission used as intended and under the conditions foreseen by the manufacturer (see Clauses 4 and 5).
It is not applicable to guards for moving parts of the power transmission of:
-   tractors,
-   aircraft,
-   air cushion vehicles, or
-   lawn and garden equipment.

TC - Editorial modifications to the Foreword of the EN ISO text.

ISO 4254-1:2008 specifies the general safety requirements and their verification for the design and construction of self-propelled ride-on machines and mounted, semi-mounted or trailed machines used in agriculture. In addition, it specifies the type of information on safe working practices (including residual risks) to be provided by the manufacturer.
ISO 4254-1:2008 deals with significant hazards (as listed in Annex A), hazardous situations and events relevant to this agricultural machinery used as intended and under the conditions foreseen by the manufacturer (see Clause 4).
ISO 4254-1:2008 is not applicable to tractors, aircraft, air-cushion vehicles, or lawn and garden equipment.
ISO 4254-1:2008 is not applicable to environmental hazards, road safety, electromagnetic compatibility, or to the power take-off (PTO) drive shaft; neither is it applicable to moving parts for power transmission except for strength requirements for guards and barriers (see 4.7), nor to vibration except in respect of declarations. It is not applicable to hazards related to maintenance or repairs to be carried out by professional service personnel.
ISO 4254-1:2008 is not applicable to machines which are manufactured before the date of its publication.
All of the hazards dealt with by ISO 4254-1:2008 will not necessarily be present on a particular machine. For any machine covered by ISO 4254-1:2008, the provisions of the part of ISO 4254 directly applicable to that type of machine, if available, take precedence over the provisions of ISO 4254-1:2008.

This standard deals with safety requirements and their verification for the design and construction of common aspects of all kinds of agricultural self-propelled ride-on machines and mounted, semi-mounted or trailed machines, with the exclusion of tractors (as defined in article 1 (1) of Council Directive 74/150/EEC), agricultural aircraft and air cushion vehicles.

This Standard specifies safety requirements and their verification for design and construction of guards and detachable transmission shafts intended to link a tractor or a self-propelled machine to the first fixed bearing of a recipient machinery. This Standard concerns only the equipments for which the guards are mechanically linked to the drive shaft by at least two bearings. This Standard does not deal with the guards totally covering the drive shaft, nor the guards intended to be fitted on various types of drive shafts.

This European Standard specifies a method for combustion engine driven pedestrian controlled and hand-held machines with or without back pack power unit used in agriculture, forestry and gardening to determine those parts of the surfaces identified by the product specific standards that are hot surfaces and can be touched unintentionally by an operator during normal operation.
This European Standard is only applicable together with product specific standards for the categories of machines specified above.
This European Standard does not specify which surfaces shall be assessed.

This standard deals with safety requirements and their verification for the design and construction of common aspects of all kinds of agricultural self-propelled ride-on machines and mounted, semi-mounted or trailed machines, with the exclusion of tractors (as defined in article 1 (1) of Council Directive 74/150/EEC), agricultural aircraft and air cushion vehicles.