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ASTM D6923-03

(Test Method)

Standard Test Method for Evaluation of Engine Oils in a High Speed, Single-Cylinder Diesel Engine—Caterpillar 1R Test Procedure

Standard Test Method for Evaluation of Engine Oils in a High Speed, Single-Cylinder Diesel Engine—Caterpillar 1R Test Procedure

SCOPE
1.1 This test method covers stressing an engine oil under modern high-speed diesel operating conditions and measures the oil's deposit control, lubrication ability, and resistance to oil consumption. It is performed in a laboratory using a standardized high-speed, single-cylinder diesel engine.4
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
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 requirements prior to use. Being an engine test method, this test method does have definite hazards that require safe practices (see Appendix X2 on Safety).
1.4 The following is the Table of Contents:
Scope1Referenced Documents2Terminology3Summary of Test Method4Significance and Use5Apparatus and Installation6Intake Air System6.2.1Exhaust System6.2.2Fuel System6.2.3Oil Consumption System6.2.4Engine Oil System6.2.5Engine Coolant System6.2.6Engine Instrumentation6.2.7Reagents and Materials7Oil Samples8Preparation of Apparatus9General Engine Assembly Practices9.1Complete Engine Inspection9.2Copper Component9.3Engine Lubricant System Flush9.4Engine Piston Cooling Jet9.5Engine Measurements and Inspections9.6Cylinder Head9.7Valve Guide Bushings9.8Fuel Injector9.9Piston and Rings9.10Cylinder Liner9.11Compression Ratio9.12Engine Timing9.13Engine Coolant System Cleaning Procedure9.14Calibration and Standardization10Test Cell Instrumentation10.1Instrumentation Standards10.2Coolant Flow10.3Fuel Injectors10.4Air Flow10.5Intake Air Barrel10.6Fuel Filter10.7Oil Scale Flow Rates10.8Test Stand Calibration10.9Re-calibration Recquirements10.9.1Extending Scale Calibration Period10.9.2Test Run Numbering10.10Humidity Calibration Recquirments10.11Calibration of Piston Raters10.12Procedure11Engine Break-in Procedure11.1Cool-down Procedure11.2Warm-up Procedure11.3Shutdowns and Lost Time11.4Periodic Measurements11.5Engine Control Systems11.6Engine Coolant11.6.1Engine Fuel System11.6.2Engine Oil Temperature11.6.3Exhaust Pressure11.6.4Intake Air11.6.5Post-Test Procedures11.7Piston Ring Side Clearance11.7.1Piston Ratings11.7.2Ring Gap End Increase11.7.3Cylinder Liner Wear11.7.4Cylinder Liner Bore Polish11.7.5Photographs11.7.6Calculation and Interpretation of Results12Test Validity12.1Calculations12.4Quality Index12.4.1Oil Consumption12.4.2Report13Forms and Data Dictionary13.1Test Validity13.2Report Specifics13.3Precision and Bias14Precision14.1Bias14.2Keywords15AnnexesEngine and Parts WarrantyAnnex A1Instrument Locations, Measurements and CalculationsAnnex A2Cooling System ArrangementAnnex A3Intake Air Mass Flow Sensor InstallationAnnex A4Fuel System Design and Recquired ComponentsAnnex A5Oil SystemAnnex A6Additional Report FormAnnex A7Engine Assembly and Inspection InformationAnnex A8Flushing Instructions and ApparatusAnnex A9Warm-up, Cool-down and Testing ConditiionsAnnex A10Piston and Liner Rating ModificationsAnnex A11Return Goods Authorization Claim FormAnnex A12AppendixesVarious Examples of Supplemental Information for Reference PurposesAppendix X1SafetyAppendix X2

General Information

Status
Historical
Publication Date
09-Jun-2003
ICS
75.100 - Lubricants, industrial oils and related products
Technical Committee
D02 - Petroleum Products, Liquid Fuels, and Lubricants
Drafting Committee
D02.B0 - Automotive Lubricants
Current Stage
Ref Project

Relations

Replaced By
ASTM D6923-05 - Standard Test Method for Evaluation of Engine Oils in a High Speed, Single-Cylinder Diesel Engine—Caterpillar 1R Test Procedure
Effective Date
01-Nov-2005
Referred By
ASTM D4485-22e1 - Standard Specification for Performance of Active API Service Category Engine Oils
Effective Date
10-Jun-2003

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ASTM D6923-03 - Standard Test Method for Evaluation of Engine Oils in a High Speed, Single-Cylinder Diesel Engine—Caterpillar 1R Test ProcedureASTM D6923-03 - Standard Test Method for Evaluation of Engine Oils in a High Speed, Single-Cylinder Diesel Engine—Caterpillar 1R Test Procedure
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ASTM D6923-03 - Standard Test Method for Evaluation of Engine Oils in a High Speed, Single-Cylinder Diesel Engine—Caterpillar 1R Test Procedure
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
An American National Standard
Designation: D 6923 – 03
Standard Test Method for
Evaluation of Engine Oils in a High Speed, Single-Cylinder
Diesel Engine—Caterpillar 1R Test Procedure
This standard is issued under the fixed designation D6923; 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 (e) indicates an editorial change since the last revision or reapproval.
INTRODUCTION
Any properly equipped laboratory, without outside assistance, can use the test procedure described
in this test method. The ASTM Test Monitoring Center (TMC) provides calibration oils and an
assessment of the test results obtained on those oils by the laboratory. By this means, the laboratory
will know whether their use of the test method gives results statistically similar to those obtained by
otherlaboratories.Furthermore,variousagenciesrequirethatalaboratoryutilizetheTMCservicesin
seekingqualificationofoilsagainstspecifications.Forexample,theU.S.Armyhassucharequirement
in some of its engine oil specifications.Accordingly, this test method is written for those laboratories
that use the TMC services. Laboratories that choose not to use these services should ignore those
portionsofthetestmethodthatrefertotheTMC.InformationLettersissuedperiodicallybytheTMC
may modify this test method. In addition, the TMC may issue supplementary memoranda related to
the test method.
1. Scope
Scope 1
Referenced Documents 2
1.1 This test method covers stressing an engine oil under
Terminology 3
modern high-speed diesel operating conditions and measures
Summary of Test Method 4
Significance and Use 5
the oil’s deposit control, lubrication ability, and resistance to
Apparatus and Installation 6
oil consumption. It is performed in a laboratory using a
Intake Air System 6.2.1
standardized high-speed, single-cylinder diesel engine.
Exhaust System 6.2.2
Fuel System 6.2.3
1.2 The values stated in SI units are to be regarded as the
Oil Consumption System 6.2.4
standard. The values given in parentheses are for information
Engine Oil System 6.2.5
only. Engine Coolant System 6.2.6
Engine Instrumentation 6.2.7
1.3 This standard does not purport to address all of the
Reagents and Materials 7
safety concerns, if any, associated with its use. It is the
Oil Samples 8
responsibility of the user of this standard to establish appro- Preparation of Apparatus 9
General Engine Assembly Practices 9.1
priate safety and health practices and determine the applica-
Complete Engine Inspection 9.2
bility of regulatory requirements prior to use. Being an engine
Copper Component 9.3
test method, this test method does have definite hazards that Engine Lubricant System Flush 9.4
Engine Piston Cooling Jet 9.5
require safe practices (see Appendix X2 on Safety).
Engine Measurements and Inspections 9.6
1.4 The following is the Table of Contents:
Cylinder Head 9.7
Valve Guide Bushings 9.8
Fuel Injector 9.9
Piston and Rings 9.10
This test method is under the jurisdiction of ASTM Committee D02 on Cylinder Liner 9.11
PetroleumProductsandLubricantsandisthedirectresponsibilityofSubcommittee Compression Ratio 9.12
D02.B0 on Automotive Lubricants. Engine Timing 9.13
Engine Coolant System Cleaning Procedure 9.14
Current edition approved June 10, 2003. Published September 2003.
Calibration and Standardization 10
ASTM Test Monitoring Center (TMC), 6555 Penn Avenue, Pittsburgh, PA
Test Cell Instrumentation 10.1
15206-4489.
Instrumentation Standards 10.2
Users of this test method shall contact the ASTM Test Monitoring Center
Coolant Flow 10.3
(TMC) to obtain the most recent information letters.
4 Fuel Injectors 10.4
Available from Caterpillar Inc., Engine SystemTechnology Development, P.O.
Air Flow 10.5
Box 610, Mossville, IL 61552-0610.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
D6923–03
(Hydrocarbon Dry Cleaning Solvent)
Intake Air Barrel 10.6
Fuel Filter 10.7
D445 Test Method for Kinematic Viscosity of Transparent
Oil Scale Flow Rates 10.8
and Opaque Liquids (the Calculation of Dynamic Viscos-
Test Stand Calibration 10.9
ity)
Re-calibration Requirements 10.9.1
Extending Test Stand Calibration Period 10.9.2
D482 Test Method for Ash from Petroleum Products
Test Run Numbering 10.10
D524 Test Method for Ramsbottom Carbon Residue of
Humidity Calibration Requirements 10.11
Petroleum Products
Calibration of Piston Deposit Raters 10.12
Procedure 11
D613 Test Method for Cetane Number of Diesel Fuel Oil
Engine Break-in Procedure 11.1
D664 TestMethodforAcidNumberofPetroleumProducts
Cool-down Procedure 11.2
Warm-up Procedure 11.3 by Potentiometric Titration
Shutdowns and Lost Time 11.4
D976 Test Methods for Calculated Cetane Index of Distil-
Periodic Measurements 11.5
late Fuels
Engine Control Systems 11.6
Engine Coolant 11.6.1 D1298 TestMethodforDensity,RelativeDensity(Specific
Engine Fuel System 11.6.2
Gravity), or API Gravity of Crude Petroleum and Liquid
Engine Oil Temperature 11.6.3
Petroleum Products by Hydrometer Method
Exhaust Pressure 11.6.4
D1319 Test Method for Hydrocarbon Types in Liquid
Intake Air 11.6.5
Post-Test Procedures 11.7
Petroleum Products by Fluorescent Indicator Adsorption
Piston Ring Side Clearances 11.7.1
D2274 Test Method for Oxidation Stability of Distillate
Piston Ratings 11.7.2
Ring Gap End Increase 11.7.3 Fuel Oil (Accelerated Method)
Cylinder Liner Wear 11.7.4
D2425 Test Method for Hydrocarbon Types in Middle
Cylinder Liner Bore Polish 11.7.5
Distillates by Mass Spectrometry
Photographs 11.7.6
Calculation and Interpretation of Results 12 D2500 Test Method for Cloud Point of Petroleum Prod-
Test Validity 12.1
ucts
Calculations 12.4
D2622 Test Method for Sulfur in Petroleum Products by
Quality Index 12.4.1
Oil Consumption 12.4.2
Wavelength Dispersive X-ray Fluorescence Spectrometry
Report 13
D2709 Test Method for Water and Sediment in Middle
Forms and Data Dictionary 13.1
Distillate Fuels by Centrifuge
Test Validity 13.2
Report Specifics 13.3 D3227 Test Method for (Thiol Mercaptan) Sulfur in Gaso-
Precision and Bias 14
line, Kerosine, Aviation Turbine, and Distillate Fuels
Precision 14.1
(Potentiometric Method)
Bias 14.2
Keywords 15
D3524 TestMethodforDieselFuelDiluentinUsedDiesel
Annexes 8
Engine Oils by Gas Chromatography
Engine and Parts Warranty Annex A1
D4175 Terminology Relating to Petroleum, Petroleum
Instrument Locations, Measurements and Calculations Annex A2
Cooling System Arrangement Annex A3
Products, and Lubricants
Intake Air Mass Flow Sensor Installation Annex A4 8
D4485 Specification for Performance of Engine Oils
Fuel System Design and Required Components Annex A5
D4739 Test Method for Base Number Determination by
Oil System Annex A6
Additional Report Forms Annex A7
Potentiometric Titration
Engine Assembly and Inspection Information Annex A8
D4863 Test Method for Determination of Lubricity of
Flushing Instructions and Apparatus Annex A9
Two-Stroke-Cycle Gasoline Engine Lubricants
Warm-up, Cool-down and Testing Conditions Annex A10
Piston and Liner Rating Modifications Annex A11
D5185 Test Method for Determination of Additive Ele-
Return Goods Authorization Claim Form Annex A12
ments, Wear Metals, and Contaminants in Used Lubricat-
Appendixes
ing Oils and Determination of Selected Elements in Base
Various Examples of Supplemental Information for Refer- Appendix X1
ence Purposes
Oils by Inductively Coupled Plasma Atomic Emission
Safety Appendix X2
Spectrometry (ICP-AES)
D5302 Test Method for Evaluation of Automotive Engine
2. Referenced Documents
Oils for Inhibition of Deposit Formation and Wear in a
2.1 ASTM Standards:
Spark-Ignition Internal Combustion Engine Fueled with
D86 Test Method for Distillation of Petroleum Products at
Gasoline and Operated Under Low-Temperature, Light-
Atmospheric Pressure 8
Duty Conditions
D93 Test Methods for Flash Point by Pensky-Martens
D5844 Test Method for Evaluation of Automotive Engine
Closed Cup Tester 9
Oils for Inhibition of Rusting (Sequence IID)
D97 Test Method for Pour Point of Petroleum Products
D5862 Test Method for Evaluation of Engine Oils in
D130 TestMethodforDetectionofCopperCorrosionfrom
Two-Stroke Cycle Turbo-Supercharged 6V92TA Diesel
Petroleum Products by the Copper Strip Tarnish Test
Engine
D235 Specification for Mineral Spirits (Petroleum Spirits)
Annual Book of ASTM Standards, Vol 06.04.
Annual Book of ASTM Standards, Vol 05.05.
5 8
Annual Book of ASTM Standards, Vol 05.01. Annual Book of ASTM Standards, Vol 05.02.
Annual Book of ASTM Standards, Vol 05.03.
D6923–03
D5966 Test Method for Evaluation of Engine Oils for determines acceptability. D6681
Roller Follower Wear in Light-Duty Diesel Engine 3.1.7 candidate oil, n—an oil which is intended to have the
D5967 TestMethodforEvaluationofDieselEngineOilsin
performance characteristics necessary to satisfy a specification
T-8 Diesel Engine and is to be tested against that specification. D5844
D6202 Test Method for Automotive Engine Oils on the
3.1.8 debris, n—in internal combustion engines, solid con-
FuelEconomyofPassengerCarsandLight-DutyTrucksin
taminant materials unintentionally introduced into the engine
the Sequence VIA Spark-Ignition Engine
or resulting from wear. D5862
D6594 Test Method for Evaluation of Corrosiveness of
3.1.9 dispersant, n—in engine oil, an additive that reduces
Diesel Engine Oil at 135°C
depositsonoil-wettedsurfacesprimarilythroughsuspensionof
D6681 Test Method for Evaluation of Engine Oils in a
particles. D4175
High Speed, Single-Cylinder Diesel Engine—Caterpillar
3.1.10 engine oil, n—a liquid that reduces friction or wear,
1P Test Procedure
or both, between the moving parts within an engine; removes
E29 Practice for Using Significant Digits in Test Data to
heat, particularly from the underside of pistons; and serves as
Determine Conformance with Specifications
a combustion gas sealant for the piston rings.
E344 Terminology Relating to Thermometry and Hydrom-
3.1.10.1 Discussion—It may contain additives to enhance
etry
certain properties. Inhibition of engine rusting, deposit forma-
G40 Terminology Relating to Wear and Erosion
tion, valve train wear, oil oxidation and foaming are examples.
2.2 Coordinating Research Council:
D5862
CRC Manual No. 20
3.1.11 heavy-duty, adj—in internal combustion engine op-
2.3 SAE Standard:
eration, characterized by average speeds, power output and
SAE J183 Engine Oil Performance and Engine Service
internaltemperaturesthatareclosetothepotentialmaximums.
Classification
D4485
2.4 API Standard:
3.1.12 lubricant, n—any material interposed between two
API 1509 Engine Service Classification and Guide to
surfaces that reduces the friction or wear, or both, between
Crankcase Oil Selection
them. D5862
3.1.13 lubricating oil, n—a liquid lubricant, usually com-
3. Terminology
prising several ingredients, including a major portion of base
3.1 Definitions:
oil and minor portions of various additives. D5966
3.1.1 additive, n—a material added to another, usually in
3.1.14 non-reference oil, n—any oil other than a reference
small amounts, to impart or enhance desirable properties or to
oil;suchasaresearchformulation,commercialoilorcandidate
suppress undesirable properties. D4175
oil. D5844
3.1.2 automotive, adj—descriptive of equipment associated
3.1.15 oxidation, n—of engine oil, the reaction of the oil
with self-propelled machinery, usually vehicles driven by
with an electron acceptor, generally oxygen, that can produce
internal combustion engines. D4485
deleterious acidic or resinous materials often manifested as
3.1.3 blind reference oil, n—a reference oil, the identity of
sludge formation, varnish formation, viscosity increase, or
which is unknown by the test facility.
corrosion, or combination thereof. D6681
3.1.3.1 Discussion—This is a coded reference oil, which is
3.1.16 purchaser, n—of an ASTM test, person or organiza-
submitted by a source independent from the test facility.
tion that pays for the conduct of an ASTM test method on a
D5844
specified product. D6202
3.1.4 blowby, n—in internal combustion engines, the com-
3.1.17 reference oil, n—an oil of known performance char-
bustion products and unburned air-and-fuel mixture that enter
acteristics, used as a basis for comparison.
the crankcase. D5302
3.1.17.1 Discussion—Reference oils are used to calibrate
3.1.5 calibrate, v—to determine the indication or output of
testing facilities, to compare the performance of other oils, or
a measuring device with respect to that of a standard. E344
toevaluateothermaterial(suchasseals)thatinteractwithoils.
3.1.6 calibrated test stand, n—a test stand on which the
D5844
testing of reference material(s), conducted as specified in the
3.1.18 scoring, n—in tribology, a severe form of wear
standard, provided acceptable test results.
characterized by the formation of extensive grooves and
3.1.6.1 Discussion—In several automotive lubricant stan-
scratches in the direction of sliding. G40
dard test methods, the TMC provides testing guidance and
3.1.19 scuff, scuffıng, n—in lubrication, damage caused by
instantaneous localized welding between surfaces in relative
Annual Book of ASTM Standards, Vol 05.04. motion that does not result in immobilization of the parts.
Annual Book of ASTM Standards, Vol 14.02.
D4863
Annual Book of ASTM Standards, Vol 14.03.
3.1.20 sponsor,n—ofanASTMtestmethod,anorganization
Annual Book of ASTM Standards, Vol 03.02.
that is responsible for ensuring supply of the apparatus used in
Available from the Coordinating Research Council Inc., 3650 Mansell Road
Suite 140, Atlanta, GA 30022-8246.
the test procedure portion of the test method.
Available from Society ofAutomotive Engineers (SAE), 400 Commonwealth
3.1.20.1 Discussion—In some instances, such as a test
Dr., Warrendale, PA 15096-0001.
methodforchemicalanalysis,anASTMworkinggroupcanbe
Available from The American Petroleum Institute (API), 1220 L. St., NW,
Washington, DC 20005. the sponsor of the test method. In other instances, a company
D6923–03
with a self-interest may or may not be the developer of the test 6.1.1 The Electronic Control Module (ECM) defines the
procedureusedwithinthetestmethod,butisthesponsorofthe desired engine fuel timing, monitors and limits maximum
test method. D6594 engine speed, maximum engine power, minimum oil pressure,
3.1.21 used oil, n—any oil that has been in a piece of and, optionally, maximum engine crankcase pressure. The
equipment (for example, an engin
...

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FIG. 1 Possible Holding Fixture and Assembly System
SCOPE
1.1 This test method describes a procedure for sampling and testing dispersions of rolling oils in water from operating steel rolling mills for determination of ash and total iron content. Its purpose is to provide a test method such that a representative sample may be taken and phenomenon such as iron separation, fat-emulsion separation, and so forth, do not contribute to analytical error in determination of ash and total iron.  
1.2 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.  
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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific warning statements, see Sections 7 and 8.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM
ASTM D5306-24(Test Method)
Standard Test Method for Linear Flame Propagation Rate of Lubricating Oils and Hydraulic Fluids

SIGNIFICANCE AND USE
5.1 The linear flame propagation rate of a sample is a property that is relevant to the overall assessment of the flammability or relative ignitability of fire resistance lubricants and hydraulic fluids. It is intended to be used as a bench-scale test for distinguishing between the relative resistance to ignition of such materials. It is not intended to be used for the evaluation of the relative flammability of flammable, extremely flammable, or volatile fuels, solvents, or chemicals.
SCOPE
1.1 This test method covers the determination of the linear flame propagation rates of lubricating oils and hydraulic fluids supported on the surfaces of and impregnated into ceramic fiber media. Data thus generated are to be used for the comparison of relative flammability.  
1.2 This test method should be used to measure and describe the properties of materials, products, or assemblies in response to heat and flame under controlled laboratory conditions and should not be used to describe or appraise the fire hazard or fire risk of materials, products, or assemblies under actual fire conditions. However, results of this test method may be used as elements of fire risk which takes into account all of the factors that are pertinent to an assessment of the fire hazard of a particular end use.  
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
1.4 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM
ASTM D7452-24(Test Method)
Standard Test Method for Evaluation of the Load Carrying Properties of Lubricants Used for Final Drive Axles, Under Conditions of High Speed and Shock Loading

SIGNIFICANCE AND USE
5.1 Final drive axles are often subjected to severe service where they encounter high speed shock torque conditions, characterized by sudden accelerations and decelerations. This severe service can lead to scoring distress on the ring gear and pinion surface. This test method measures anti-scoring properties of final drive lubricants.  
5.2 This test method is used or referred to in the following documents:  
5.2.1 American Petroleum Institute (API) Publication 1560.7  
5.2.2 SAE J308 and SAE J2360.
SCOPE
1.1 This test method covers the determination of the anti-scoring properties of final drive axle lubricating oils when subjected to high-speed and shock conditions. This test method is commonly referred to as the L-42 test.2  
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.  
1.2.1 Exceptions—SI units are provided for all parameters except where there is no direct equivalent such as the units for screw threads, National Pipe Threads/diameters, tubing size, and single source equipment suppliers.  
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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Specific warning information is given in Sections 4 and 7.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM
ASTM D7156-24(Test Method)
Standard Test Method for Evaluation of Diesel Engine Oils in the T-11 Exhaust Gas Recirculation Diesel Engine

SIGNIFICANCE AND USE
5.1 This test method was developed to evaluate the viscosity increase and soot concentration (loading) performance of engine oils in turbocharged and intercooled four-cycle diesel engines equipped with EGR. Obtain results from used oil analysis.  
5.2 The test method can 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 in a diesel engine equipped with exhaust gas recirculation, including viscosity increase and soot concentrations (loading).2 This test method is commonly referred to as the Mack T-11.  
1.1.1 This test method also provides the procedure for running an abbreviated length test, which is commonly referred to as the T-11A. The procedures for the T-11A are identical to the T-11 with the exception of the items specifically listed in Annex A7. Additionally, the procedure modifications listed in Annex A7 refer to the corresponding section of the T-11 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 Exceptions—Where there is no direct SI equivalent such as screw threads, National Pipe Threads/diameters, tubing size, or where there is a sole source supply equipment specification.  
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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. See Annex A6 for specific safety hazards.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM
ASTM D4378-24(Practice)
Standard Practice for In-Service Monitoring of Mineral Turbine Oils for Steam, Gas, and Combined Cycle Turbines

SIGNIFICANCE AND USE
4.1 This practice is intended to assist the user, in particular the power-plant operations and maintenance departments, to maintain effective lubrication of all parts of the turbine and guard against the onset of problems associated with oil degradation and contamination. The values of the various test parameters mentioned in this practice are purely indicative. In fact, for proper interpretation of the results, many factors, such as type of equipment, operation workload, design of the lubricating oil circuit, and top-up level, should be taken into account.
SCOPE
1.1 This practice covers the requirements for the effective monitoring of mineral turbine oils in service in steam and gas turbines, as individual or combined cycle turbines, used for power generation. This practice includes sampling and testing schedules to validate the condition of the lubricant through its life cycle and by ensuring required improvements to bring the present condition of the lubricant within the acceptable targets. This practice is not intended for condition monitoring of lubricants for auxiliary equipment; it is recommended that the appropriate practice be consulted (see Practice D6224).  
1.2 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM
ASTM D8048-24(Test Method)
Standard Test Method for Evaluation of Diesel Engine Oils in T-13 Diesel Engine

SIGNIFICANCE AND USE
5.1 This test method was developed to evaluate the oxidation resistance 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 oxidation performance characteristics 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 Volvo T-13.  
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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. See Annex A10 for specific safety precautions.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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