ASTM D7422-14a
(Test Method)Standard Test Method for Evaluation of Diesel Engine Oils in T-12 Exhaust Gas Recirculation Diesel Engine
Standard Test Method for Evaluation of Diesel Engine Oils in T-12 Exhaust Gas Recirculation Diesel Engine
SIGNIFICANCE AND USE
5.1 This test method was developed to evaluate the wear performance of engine oils in turbocharged and intercooled four-cycle diesel engines equipped with EGR and running on ultra-low sulfur diesel fuel. Obtain results from used oil analysis and component measurements before and after test.
5.2 The test method may be used for engine oil specification acceptance when all details of the procedure are followed.
SCOPE
1.1 This test method covers an engine test procedure for evaluating diesel engine oils for performance characteristics, including lead corrosion and wear of piston rings and cylinder liners in an engine equipped with exhaust gas recirculation and running on ultra-low sulfur diesel fuel.2 This test method is commonly referred to as the Mack T-12.
1.1.1 This test method also provides the procedure for running an abbreviated length test, which is commonly referred to as the T-12A. The procedures for the T-12 and T-12A are identical with the exception of the items specifically listed in Annex A9. Additionally, the procedure modifications listed in Annex A9 refer to the corresponding section of the T-12 procedure.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.2.1 Exception—Where there is no direct SI equivalent, such as the units for screw threads, National Pipe Threads/diameters, tubing size, and single source supply equipment specifications.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. See Annex A6 for specific safety precautions.
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Designation: D7422 − 14a
StandardTest Method for
Evaluation of Diesel Engine Oils in T-12 Exhaust Gas
1
Recirculation Diesel Engine
This standard is issued under the fixed designation D7422; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope* 2. Referenced Documents
3
1.1 This test method covers an engine test procedure for 2.1 ASTM Standards:
evaluating diesel engine oils for performance characteristics, D86Test Method for Distillation of Petroleum Products at
including lead corrosion and wear of piston rings and cylinder Atmospheric Pressure
linersinanengineequippedwithexhaustgasrecirculationand D93Test Methods for Flash Point by Pensky-Martens
2
running on ultra-low sulfur diesel fuel. This test method is Closed Cup Tester
commonly referred to as the Mack T-12. D97Test Method for Pour Point of Petroleum Products
1.1.1 This test method also provides the procedure for D130Test Method for Corrosiveness to Copper from Petro-
runninganabbreviatedlengthtest,whichiscommonlyreferred leum Products by Copper Strip Test
to as the T-12A. The procedures for the T-12 and T-12A are D235Specification for Mineral Spirits (Petroleum Spirits)
identical with the exception of the items specifically listed in (Hydrocarbon Dry Cleaning Solvent)
Annex A9. Additionally, the procedure modifications listed in D287Test Method forAPI Gravity of Crude Petroleum and
Annex A9 refer to the corresponding section of the T-12 Petroleum Products (Hydrometer Method)
procedure. D445Test Method for Kinematic Viscosity of Transparent
and Opaque Liquids (and Calculation of DynamicViscos-
1.2 The values stated in SI units are to be regarded as
ity)
standard. No other units of measurement are included in this
D482Test Method for Ash from Petroleum Products
standard.
D524Test Method for Ramsbottom Carbon Residue of
1.2.1 Exception—Where there is no direct SI equivalent,
Petroleum Products
such as the units for screw threads, National Pipe Threads/
D613Test Method for Cetane Number of Diesel Fuel Oil
diameters, tubing size, and single source supply equipment
D664Test Method for Acid Number of Petroleum Products
specifications.
by Potentiometric Titration
1.3 This standard does not purport to address all of the
D976Test Method for Calculated Cetane Index of Distillate
safety concerns, if any, associated with its use. It is the
Fuels
responsibility of the user of this standard to establish appro-
D1319Test Method for HydrocarbonTypes in Liquid Petro-
priate safety and health practices and determine the applica-
leum Products by Fluorescent Indicator Adsorption
bility of regulatory limitations prior to use. See AnnexA6 for
D2274TestMethodforOxidationStabilityofDistillateFuel
specific safety precautions.
Oil (Accelerated Method)
D2500Test Method for Cloud Point of Petroleum Products
1
This test method is under the jurisdiction of ASTM Committee D02 on
D2622Test Method for Sulfur in Petroleum Products by
Petroleum Products, Liquid Fuels, and Lubricants and is the direct responsibility of
Wavelength Dispersive X-ray Fluorescence Spectrometry
Subcommittee D02.B0 on Automotive Lubricants.
D2709Test Method for Water and Sediment in Middle
Current edition approved Oct. 1, 2014. Published October 2014. Originally
Distillate Fuels by Centrifuge
approved in 2008. Last previous edition approved in 2014 as D7422–14. DOI:
10.1520/D7422-14A.
2
TheASTM Test Monitoring Center will update changes in this test method by
3
means of Information Letters. Information letters may be obtained from theASTM For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Test Monitoring Center, 6555 PennAvenue, Pittsburgh, PA15206-4489,Attention: contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Administrator.ThiseditionincorporatesrevisionsinallInformationLettersthrough Standards volume information, refer to the standard’s Document Summary page on
No. 14–2. the ASTM website.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
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D7422 − 14a
D3338Test Method for Estimation of Net Heat of Combus- 3.1.5 exhaust gas recirculation (EGR), n—the mixing of
tion of Aviation Fuels exhaust gas with intake air to reduce the formation of nitrogen
D4052Test Method for Density, Relative Density, and API oxides (NO ). D4175
x
Gravity of Liquids by Digital Density Meter
3.1.6 heavy-duty, adj—in internal combustion engine
D4175 Terminology Relating to Petroleum, Petroleum
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: D7422 − 14 D7422 − 14a
Standard Test Method for
Evaluation of Diesel Engine Oils in T-12 Exhaust Gas
1
Recirculation Diesel Engine
This standard is issued under the fixed designation D7422; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope*
1.1 This test method covers an engine test procedure for evaluating diesel engine oils for performance characteristics, including
lead corrosion and wear of piston rings and cylinder liners in an engine equipped with exhaust gas recirculation and running on
2
ultra-low sulfur diesel fuel. This test method is commonly referred to as the Mack T-12.
1.1.1 This test method also provides the procedure for running an abbreviated length test, which is commonly referred to as the
T-12A. The procedures for the T-12 and T-12A are identical with the exception of the items specifically listed in Annex A9.
Additionally, the procedure modifications listed in Annex A9 refer to the corresponding section of the T-12 procedure.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.2.1 Exception—Where there is no direct SI equivalent, such as the units for screw threads, National Pipe Threads/diameters,
tubing size, and single source supply equipment specifications.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility
of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory
limitations prior to use. See Annex A6 for specific safety precautions.
2. Referenced Documents
3
2.1 ASTM Standards:
D86 Test Method for Distillation of Petroleum Products at Atmospheric Pressure
D93 Test Methods for Flash Point by Pensky-Martens Closed Cup Tester
D97 Test Method for Pour Point of Petroleum Products
D130 Test Method for Corrosiveness to Copper from Petroleum Products by Copper Strip Test
D235 Specification for Mineral Spirits (Petroleum Spirits) (Hydrocarbon Dry Cleaning Solvent)
D287 Test Method for API Gravity of Crude Petroleum and Petroleum Products (Hydrometer Method)
D445 Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity)
D482 Test Method for Ash from Petroleum Products
D524 Test Method for Ramsbottom Carbon Residue of Petroleum Products
D613 Test Method for Cetane Number of Diesel Fuel Oil
D664 Test Method for Acid Number of Petroleum Products by Potentiometric Titration
D976 Test Method for Calculated Cetane Index of Distillate Fuels
D1319 Test Method for Hydrocarbon Types in Liquid Petroleum Products by Fluorescent Indicator Adsorption
D2274 Test Method for Oxidation Stability of Distillate Fuel Oil (Accelerated Method)
D2500 Test Method for Cloud Point of Petroleum Products
D2622 Test Method for Sulfur in Petroleum Products by Wavelength Dispersive X-ray Fluorescence Spectrometry
D2709 Test Method for Water and Sediment in Middle Distillate Fuels by Centrifuge
D3338 Test Method for Estimation of Net Heat of Combustion of Aviation Fuels
1
This test method is under the jurisdiction of ASTM Committee D02 on Petroleum Products, Liquid Fuels, and Lubricants and is the direct responsibility of Subcommittee
D02.B0 on Automotive Lubricants.
Current edition approved May 1, 2014Oct. 1, 2014. Published June 2014October 2014. Originally approved in 2008. Last previous edition approved in 20132014 as
D7422 – 13.D7422 – 14. DOI: 10.1520/D7422-14.10.1520/D7422-14A.
2
The ASTM Test Monitoring Center will update changes in this test method by means of Information Letters. Information letters may be obtained from the ASTM Test
Monitoring Center, 6555 Penn Avenue, Pittsburgh, PA 15206-4489, Attention: Administrator. This edition incorporates revisions in all Information Letters through No.
13–2.14–2.
3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
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