ISO 8437-3:2019/FDAmd 1
(Amendment)Snow throwers — Safety requirements and test procedures — Part 3: Ride-on snow throwers — Amendment 1
Snow throwers — Safety requirements and test procedures — Part 3: Ride-on snow throwers — Amendment 1
Chasse-neige — Exigences de sécurité et essais — Partie 3: Chasse-neige à conducteur porté — Amendement 1
General Information
- Status
- Not Published
- Technical Committee
- ISO/TC 23/SC 13 - Powered lawn and garden equipment
- Drafting Committee
- ISO/TC 23/SC 13 - Powered lawn and garden equipment
- Current Stage
- 5020 - FDIS ballot initiated: 2 months. Proof sent to secretariat
- Start Date
- 23-Jan-2026
- Completion Date
- 23-Jan-2026
Relations
- Effective Date
- 06-Jun-2022
- Effective Date
- 06-Jun-2022
Overview
ISO 8437-3:2019/FDAmd 1 is an amendment to the international standard ISO 8437-3:2019, focusing specifically on safety requirements and test procedures for ride-on snow throwers powered by combustion engines. Developed by ISO Technical Committee ISO/TC 23, Subcommittee SC 13, in collaboration with the European Committee for Standardization (CEN), this document provides a framework to ensure the safety, reliability, and ergonomic design of ride-on snow throwers. The amendment clarifies key safety elements, updates terminology, and aligns the standard with relevant European Directives, notably Directive 2006/42/EC, concerning machinery safety.
Key Topics
Safety Requirements
The amendment enhances safety provisions related to operator presence controls, clutch engagement, and mechanical protections. Key clarifications include:- Operator-presence control (OPC) mechanisms involving foot pedals must engage the clutch through a forward or downward motion.
- Prevention of direct line of sight between the operator and moving parts such as the collector or impeller to reduce risk.
- Replacement of the term "tire" with "tyre" for consistency throughout the document.
Test Procedures
Standardized testing methods are defined to assess conformity with the safety requirements, ensuring mechanisms like brakes, controls, and guards perform reliably under operational conditions.Design and Ergonomics
The amendment refers to ISO 5395-3:2013 for requirements on seat dimensions, foot rest strength, and seat positioning, emphasizing operator comfort and safety.Mechanical Hazard Protection
It covers protection against mechanical hazards including:- Risks of instability or loss of control.
- Hazards from falling or ejected objects.
- Risks associated with moving parts and uncontrolled movements.
Control Systems
Safety, reliability, and ease of use of control devices are emphasized, including requirements for starting, stopping, and travelling controls to prevent operational accidents.Information and Warnings
It mandates clear marking, warning devices, and comprehensive instructions to inform users of residual risks and safe operation practices.
Applications
ISO 8437-3:2019/FDAmd 1 applies primarily to manufacturers, designers, and testing organizations involved with combustion engine-powered ride-on snow throwers. This standard is crucial for:
- Ensuring compliance with international and European safety regulations.
- Designing safer ride-on snow throwers with enhanced ergonomic and control features.
- Implementing consistent testing and evaluation protocols to align with global best practices.
- Minimizing risks associated with operation, maintenance, and mobility of snow throwers, particularly in domestic, municipal, and commercial snow removal contexts.
By adhering to this standard, companies can reduce accidents, improve product reliability, and assure customers and regulatory bodies of product safety and quality.
Related Standards
ISO 8437-3 is part of the ISO 8437 series, which also includes:
- ISO 8437-1: Safety requirements for hand-held snow throwers.
- ISO 8437-2: Safety requirements for pedestrian-controlled snow throwers.
- ISO 8437-4: Safety requirements for other specific snow thrower types.
Additionally, ISO 8437-3:2019/FDAmd 1 references the following standards for complementary requirements:
- ISO 5395-3:2013: Lawn and garden machinery - Safety requirements for ride-on machinery - Part 3: Additional specific requirements for ride-on machinery with internal combustion engine.
- Directive 2006/42/EC: Machinery Directive of the European Parliament and Council, which sets essential health and safety requirements for machinery placed on the EU market.
For comprehensive compliance and product development, stakeholders are encouraged to consult the full ISO 8437 series along with related ergonomic and machinery safety standards.
Keywords: ISO 8437-3, ride-on snow throwers, safety requirements, test procedures, combustion engine, operator presence control, mechanical hazard protection, ergonomic design, machinery safety standard, ISO machinery directive, snow thrower safety compliance.
ISO 8437-3:2019/FDAmd 1 - Snow throwers — Safety requirements and test procedures — Part 3: Ride-on snow throwers — Amendment 1 Released:9. 01. 2026
REDLINE ISO 8437-3:2019/FDAmd 1 - Snow throwers — Safety requirements and test procedures — Part 3: Ride-on snow throwers — Amendment 1 Released:9. 01. 2026
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Frequently Asked Questions
ISO 8437-3:2019/FDAmd 1 is a draft published by the International Organization for Standardization (ISO). Its full title is "Snow throwers — Safety requirements and test procedures — Part 3: Ride-on snow throwers — Amendment 1". This standard covers: Snow throwers — Safety requirements and test procedures — Part 3: Ride-on snow throwers — Amendment 1
Snow throwers — Safety requirements and test procedures — Part 3: Ride-on snow throwers — Amendment 1
ISO 8437-3:2019/FDAmd 1 is classified under the following ICS (International Classification for Standards) categories: 43.160 - Special purpose vehicles. The ICS classification helps identify the subject area and facilitates finding related standards.
ISO 8437-3:2019/FDAmd 1 has the following relationships with other standards: It is inter standard links to ISO 2951:2019, ISO 8437-3:2019. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
ISO 8437-3:2019/FDAmd 1 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
FINAL DRAFT
Amendment
ISO 8437-3:2019/
FDAM 1
ISO/TC 23/SC 13
Snow throwers — Safety
Secretariat: ANSI
requirements and test
Voting begins on:
procedures —
2026-01-23
Part 3:
Voting terminates on:
2026-03-20
Ride-on snow throwers
AMENDMENT 1
Chasse-neige — Exigences de sécurité et essais —
Partie 3: Chasse-neige à conducteur porté
AMENDEMENT 1
RECIPIENTS OF THIS DRAFT ARE INVITED TO SUBMIT,
WITH THEIR COMMENTS, NOTIFICATION OF ANY
RELEVANT PATENT RIGHTS OF WHICH THEY ARE AWARE
AND TO PROVIDE SUPPOR TING DOCUMENTATION.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
ISO/CEN PARALLEL PROCESSING LOGICAL, COMMERCIAL AND USER PURPOSES, DRAFT
INTERNATIONAL STANDARDS MAY ON OCCASION HAVE
TO BE CONSIDERED IN THE LIGHT OF THEIR POTENTIAL
TO BECOME STAN DARDS TO WHICH REFERENCE MAY BE
MADE IN NATIONAL REGULATIONS.
Reference number
ISO 8437-3:2019/FDAM 1:2026(en) © ISO 2026
FINAL DRAFT
ISO 8437-3:2019/FDAM 1:2026(en)
Amendment
ISO 8437-3:2019/
FDAM 1
ISO/TC 23/SC 13
Snow throwers — Safety
Secretariat: ANSI
requirements and test
Voting begins on:
procedures —
Part 3:
Voting terminates on:
Ride-on snow throwers
AMENDMENT 1
Chasse-neige — Exigences de sécurité et essais —
Partie 3: Chasse-neige à conducteur porté
AMENDEMENT 1
RECIPIENTS OF THIS DRAFT ARE INVITED TO SUBMIT,
WITH THEIR COMMENTS, NOTIFICATION OF ANY
RELEVANT PATENT RIGHTS OF WHICH THEY ARE AWARE
AND TO PROVIDE SUPPOR TING DOCUMENTATION.
© ISO 2026
IN ADDITION TO THEIR EVALUATION AS
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
ISO/CEN PARALLEL PROCESSING
LOGICAL, COMMERCIAL AND USER PURPOSES, DRAFT
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
INTERNATIONAL STANDARDS MAY ON OCCASION HAVE
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
TO BE CONSIDERED IN THE LIGHT OF THEIR POTENTIAL
or ISO’s member body in the country of the requester.
TO BECOME STAN DARDS TO WHICH REFERENCE MAY BE
MADE IN NATIONAL REGULATIONS.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland Reference number
ISO 8437-3:2019/FDAM 1:2025(en) © ISO 2025
ii
ISO 8437-3:2019/FDAM 1:2025(en)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out through
ISO technical committees. Each member body interested in a subject for which a technical committee
has been established has the right to be represented on that committee. International organizations,
governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely
with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are described
in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the different types
of ISO document should be noted. This document was drafted in accordance with the editorial rules of the
ISO/IEC Directives, Part 2 (see www.iso.org/directives).
ISO draws attention to the possibility that the implementation of this document may involve the use of (a)
patent(s). ISO takes no position concerning the evidence, validity or applicability of any claimed patent
rights in respect thereof. As of the date of publication of this document, ISO had not received notice of (a)
patent(s) which may be required to implement this document. However, implementers are cautioned that
this may not represent the latest information, which may be obtained from the patent database available at
www.iso.org/patents. ISO shall not be held responsible for identifying any or all such patent rights.
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and expressions
related to conformity assessment, as well as information about ISO's adherence to the World Trade
Organization (WTO) principles in the Technical Barriers to Trade (TBT), see www.iso.org/iso/foreword.html.
This document was prepared by Technical Committee ISO/TC 23, Tractors and machinery for agriculture
and forestry, Subcommittee SC 13, Powered lawn and garden equipment, in collaboration with the European
Committee for Standardization (CEN) Technical Committee CEN/TC 144, Tractors and machinery for
agriculture and forestry, in accordance with the Agreement on technical cooperation between ISO and CEN
(Vienna Agreement).
This document is intended to be used in conjunction with ISO 8437-1, ISO 8437-2 and ISO 8437-4.
A list of all parts in the ISO 8437 series can be found on the ISO website.
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www.iso.org/members.html.
iii
ISO 8437-3:2019/FDAM 1:2025(en)
Snow throwers — Safety requirements and test procedures —
Part 3:
Ride-on snow throwers
AMENDMENT 1
Scope paragraph 1
Replace paragraph 1 with the following clarification:
This document specifies safety requirements applicable to combustion engine powered ride-on snow
throwers.
Entire document, word tire
Replace the word “tire” with “tyre” throughout the document
Subclause 4.2.5.4 paragraph 1
Replace paragraph one with the following:
In addition to the requirements of 4.2.8, when the OPC is achieved by a foot pedal, a generally forward or
downward motion on the foot-actuated operator-presence control, when provided, shall produce clutch
engagement. A right-foot operator-presence control shall be outboard of the service brake pedal.
Subclause 4.3.1, paragraph 6
Replace paragraph six with the following:
As a minimum, the extension of the collector/impeller housing indicated by the limit A in Figure 3 shall
be sufficient to prevent line of sight between the exposed circumference of the collector/impeller and the
operator position defined at Figure 1.
ISO 8437-3:2019/FDAM 1:2025(en)
Figure 4
Replace Figure 4 with the following:
After Clause 6
Add a new Clause 7
7 Seats and foot rests
For requirements related to seat dimensions, foot rest strength and seat position, ISO 5395-3:2013.4.9 is
applicable.
ISO 8437-3:2019/FDAM
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Style Definition
ISO 8437-3:2019/AmdFDAmd 1:202(E)
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2022-03-24
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ISO /TC 23/SC 13
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Secretariat: ANSI Formatted: Adjust space between Latin and Asian text,
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Date: 2025-12-16
Snow throwers — Safety requirements and test procedures — —
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Part 3:
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Ride-on snow throwers
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Amendment AMENDMENT 1 .
Chasse-neige — Exigences de sécurité et essais —
Partie 3: Chasse-neige à conducteur porté
AMENDEMENT 1
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ISO 8437-3:2019/AmdFDAmd 1:2022(E(en)
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All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication
may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, Formatted: Font: Bold
or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO
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at the address below or ISO’s member body in the country of the requester.
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ISO copyright office
Asian text and numbers
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
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Phone: + 41 22 749 01 11
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EmailE-mail: copyright@iso.org
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Website: www.iso.orgwww.iso.org
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Published in Switzerland
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ISO 8437-3:2019/AmdFDAmd 1:2022(E(en)
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spacing: single
Foreword
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ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out through Formatted: Font: Bold
ISO technical committees. Each member body interested in a subject for which a technical committee has been
Formatted: Font: 11 pt, Bold
established has the right to be represented on that committee. International organizations, governmental and
Formatted: Adjust space between Latin and Asian text,
non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the
Adjust space between Asian text and numbers
International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are described
in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the different types of
ISO documentsdocument should be noted. This document was drafted in accordance with the editorial rules
of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).
Field Code Changed
Attention is drawnISO draws attention to the possibility that some of the elementsimplementation of this
document may beinvolve the subjectuse of (a) patent(s). ISO takes no position concerning the evidence,
validity or applicability of any claimed patent rights. in respect thereof. As of the date of publication of this
document, ISO had not received notice of (a) patent(s) which may be required to implement this document.
However, implementers are cautioned that this may not represent the latest information, which may be
obtained from the patent database available at www.iso.org/patents. ISO shall not be held responsible for
identifying any or all such patent rights. Details of any patent rights identified during the development of the
document will be in the Introduction and/or on the ISO list of patent declarations received (see
www.iso.org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
Formatted: English (United Kingdom)
Formatted: English (United Kingdom)
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and expressions
related to conformity assessment, as well as information about ISO's adherence to the World Trade
Formatted: English (United Kingdom)
Organization (WTO) principles in the Technical Barriers to Trade (TBT), see
Formatted: Foreword Text, Adjust space between Latin
www.iso.org/iso/foreword.htmlwww.iso.org/iso/foreword.html.
and Asian text, Adjust space between Asian text and
numbers
This document was prepared by Technical Committee ISO/TC 23, Tractors and machinery for agriculture and
Formatted: Default Paragraph Font
forestry, Subcommittee SC 13, Powered lawn and garden equipment, in collaboration with the European
Committee for Standardization (CEN) Technical Committee CEN/TC 144, Tractors and machinery for
Formatted: Default Paragraph Font
agriculture and forestry, in accordance with the Agreement on technical cooperation between ISO and CEN
Formatted: Default Paragraph Font
(Vienna Agreement).
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"This document is intended to be used in conjunction with ISO 8437-1, ISO 8437-2 and ISO 8437-4".
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Formatted: Default Paragraph Font
A list of all parts in the ISO 8437 series can be found on the ISO website.
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Any feedback or questions on this document should be directed to the user’s national standards body. A
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complete listing of these bodies can be found at www.iso.org/members.html.
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iv © ISO 2022 2025 – All rights reserved
iv
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Snow throwers – — Safety requirements and test procedures – —
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Part 3:
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Ride-on snow throwers Formatted: Main Title 2, Adjust space between Latin
and Asian text, Adjust space between Asian text and
numbers
AMENDMENT 1
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Scope paragraph 1
Formatted: Adjust space between Latin and Asian text,
Adjust space between Asian text and numbers
Replace paragraph 1 with the following clarification:
This document specifies safety requirements applicable to combustion engine powered ride-on snow
throwers.
Entire document, word tire
Formatted: Adjust space between Latin and Asian text,
Adjust space between Asian text and numbers
Replace the word “tire” with “tyre” throughout the document
Formatted: Font: Not Italic
Subclause 4.2.5.4 paragraph 1
Replace paragraph one with the following:
In addition to the requirements of 4.2.8, when the OPC is achieved by a foot pedal, a generally forward or
downward motion on the foot-actuated operator-presence control, when provided, shall produce clutch
engagement. A right-foot operator-presence control shall be outboard of the service brake pedal.
Formatted: Font: Not Italic
Subclause 4.3.1, paragraph 6
Replace paragraph six with the following:
As a minimum, the extension of the collector/impeller housing indicated by the limit A atin Figure 3 shall be
sufficient to prevent line of sight between the exposed circumference of the collector/impeller and the
operator position defined at Figure 1.
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Figure 4
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Annex ZA
After Clause 6
Add a new Clause 7
7 Seats and foot rests
For requirements related to seat dimensions, foot rest strength and seat position, ISO 5395-3:2013.4.9 is
applicable.
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4 © ISO #### 2025 – All rights reserved
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Annex ZA
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(informative)
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Relationship between this European Standard and the essential requirements
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of Directive2006/42/EC aimed to be covered
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This European Standard has been prepared under a Commission’s standardization request “M/396 Mandate
to CEN and CENELEC for Standardisation in the field of machinery" to provide one voluntary means of Formatted
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conforming to essential requirements of Directive 2006/42/EC of the European Parliament and of the Council
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of 17 May 2006 on machinery, and amending Directive 95/16/EC (recast).
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Once this standard is cited in the Official Journal of the European Union under that Directive, compliance with
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the normative clauses of this standard given in Table ZA.1 confers, within the limits of the scope of this
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standard, a presumption of conformity with the corresponding essential requirements of that Directive, and
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Table ZA.1 — Correspondence between this European Standard and Annex I of Directive
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2006/42/EC
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