ASTM D6750-15
(Test Method)Standard Test Methods for Evaluation of Engine Oils in a High-Speed, Single-Cylinder Diesel Engine—1K Procedure (0.4 % Fuel Sulfur) and 1N Procedure (0.04 % Fuel Sulfur)
Standard Test Methods for Evaluation of Engine Oils in a High-Speed, Single-Cylinder Diesel Engine—1K Procedure (0.4 % Fuel Sulfur) and 1N Procedure (0.04 % Fuel Sulfur)
SIGNIFICANCE AND USE
5.1 These are accelerated engine oil tests (known as the 1K and 1N test procedures), performed in a standardized, calibrated, stationary single-cylinder diesel engine using either mass fraction 0.4 % sulfur fuel (1K test) or mass fraction 0.04 % sulfur fuel (1N test), that give a measure of (1) piston and ring groove deposit forming tendency, (2) piston, ring and liner scuffing and (3) oil consumption.
5.2 The 1K test was correlated with vehicles equipped with certain multi-cylinder direct injection engines used in heavy duty and high speed service prior to 1989, particularly with respect to aluminum piston deposits, and oil consumption, when fuel sulfur was nominally mass fraction 0.4 %. These data are given in Research Report RR:D02-1273.9
5.3 The 1N test has been used to predict piston deposit formation in four-stroke cycle, direct injection, diesel engines that have been calibrated to meet 1994 U.S. federal exhaust emission requirements for heavy-duty engines operated on fuel containing less than mass fraction 0.05 % sulfur. See Research Report RR:D02-1321.9
5.4 These test methods are used in the establishment of diesel engine oil specification requirements as cited in Specification D4485 for appropriate API Performance Category oils (API 1509).
5.5 These test methods are also used in diesel engine oil development.
SCOPE
1.1 These test methods cover the performance of engine oils intended for use in certain diesel engines. They are performed in a standardized high-speed, single-cylinder diesel engine by either the 1K (0.4 % mass fuel sulfur) or 1N (0.04 % mass fuel sulfur) procedure.3 The only difference in the two test methods is the fuel used. Piston and ring groove deposit-forming tendency and oil consumption are measured. Also, the piston, the rings, and the liner are examined for distress and the rings for mobility. These test methods are required to evaluate oils intended to satisfy API service categories CF-4 and CH-4 for 1K, and CG-4 for 1N of Specification D4485.
1.2 These test methods, although based on the original Caterpillar 1K/1N procedures,3 also embody TMC information letters issued before these test methods were first published. These test methods are subject to frequent change. Until the next revision of these test methods, TMC will update changes in these test methods by the issuance of information letters which shall be obtained from TMC (see Annex A15).
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.3.1 Exception—Where there is no direct SI equivalent such as screw threads, national pipe threads/diameters, tubing size, or single source equipment specified. Also Brake Specific Fuel Consumption is measured in kilograms per kilowatthour.
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 and health practices and determine the applicability of regulatory limitations prior to use. Specific precautionary statements appear throughout the text. Being engine tests, these test methods do have definite hazards that shall be met by safe practices (see Annex A16 on Safety Precautions).
1.5 The following is the Table of Contents:
Section
Introduction
Scope
1
Referenced documents
2
Terminology
3
Summary of Test Methods
4
Significance and Use
5
Apparatus
6
General Laboratory Requirements
6.1
Test Engine
6.2
Test Engine Accessories and Parts
6.3
Reagents and Materials
7
Test Oil Sample Requirements
8
Preparation of Apparatus
9
Engine Inspection
9.1
Engine Pre-Test Lubrication System Flush
9.2
Engine Pre-Test Measurements and Inspections
9.3
Engine Assembly
9.4
...
General Information
Relations
Buy Standard
Standards Content (Sample)
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
Designation: D6750 − 15
StandardTest Methods for
Evaluation of Engine Oils in a High-Speed, Single-Cylinder
Diesel Engine—1K Procedure (0.4 % Fuel Sulfur) and 1N
1
Procedure (0.04 % Fuel Sulfur)
This standard is issued under the fixed designation D6750; 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.
INTRODUCTION
The test methods described in this standard can be used by any properly equipped laboratory
2
without outside assistance. However, the ASTM Test Monitoring Center (TMC) provides reference
oils and an assessment of the test results obtained on those oils by the laboratory (see Annex A15).
By this means, the laboratory will know whether its use of the test methods gives results statistically
similartothoseobtainedbyotherlaboratories.Furthermore,variousagenciesrequirethatalaboratory
uses the TMC services in seeking qualification of oils against specifications. For example, the U.S.
Army has such a requirement in some of its engine oil specifications.
Accordingly, these test methods are written for those laboratories that use the TMC services.
Laboratories that choose not to use these services may ignore those portions of the test methods that
refer to the TMC.
These test methods may be modified by Information Letters issued periodically by the TMC after
the publication of this edition of the standard to become part of it. These letters are obtainable from
theTMC.Inaddition,theTMCmayissuesupplementarymemorandarelatedtothetestmethods,also
obtainable from the TMC.
1. Scope* 1.2 These test methods, although based on the original
3
Caterpillar1K/1Nprocedures, alsoembodyTMCinformation
1.1 Thesetestmethodscovertheperformanceofengineoils
letters issued before these test methods were first published.
intended for use in certain diesel engines. They are performed
These test methods are subject to frequent change. Until the
in a standardized high-speed, single-cylinder diesel engine by
next revision of these test methods, TMC will update changes
eitherthe1K(0.4%massfuelsulfur)or1N(0.04%massfuel
3
in these test methods by the issuance of information letters
sulfur) procedure. The only difference in the two test methods
which shall be obtained from TMC (see Annex A15).
is the fuel used. Piston and ring groove deposit-forming
tendency and oil consumption are measured. Also, the piston,
1.3 The values stated in SI units are to be regarded as
the rings, and the liner are examined for distress and the rings
standard. No other units of measurement are included in this
for mobility. These test methods are required to evaluate oils
standard.
intended to satisfy API service categories CF-4 and CH-4 for
1.3.1 Exception—Where there is no direct SI equivalent
1K, and CG-4 for 1N of Specification D4485.
such as screw threads, national pipe threads/diameters, tubing
size, or single source equipment specified.Also Brake Specific
1
These test methods are under the jurisdiction of ASTM Committee D02 on
Fuel Consumption is measured in kilograms per kilowatthour.
Petroleum Products, Liquid Fuels, and Lubricants and is the direct responsibility of
Subcommittee D02.B0.02 on Heavy Duty Engine Oils.
1.4 This standard does not purport to address all of the
Current edition approved April 1, 2015. Published April 2015. Originally
safety concerns, if any, associated with its use. It is the
approved in 2002. Last previous edition approved in 2014 as D6750–14. DOI:
responsibility of the user of this standard to establish appro-
10.1520/D6750-15.
2
priate safety and health practices and determine the applica-
ASTM Test Monitoring Center (TMC), 6555 Penn Ave., Pittsburgh, PA
15206-4489.TheTMC issues Information Letters that supplement this test method.
bility of regulatory limitations prior to use. Specific precau-
This edition incorporates revisions contained in all information letters through No.
tionary statements appear throughout the text. Being engine
14–1.
3
tests, these test methods do have definite hazards that shall be
These1K/1NtestproceduresweredevelopedbyCaterpillarInc.,P.O.Box610,
Mossville, IL 61552-0610. met by safe practices (see AnnexA16 on Safety Precautions).
*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
---------------------- Page: 1 ----------------------
D6750 − 15
1.5 The following is the Table of Contents: 2. Referenced Documents
Section 4
2.1 ASTM Standards:
Introduction
D86Test Method for Distillation of Petroleum Products at
Scope 1
Referenced documents 2
Atmospheric Pressure
Term
...
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: D6750 − 14 D6750 − 15
Standard Test Methods for
Evaluation of Engine Oils in a High-Speed, Single-Cylinder
Diesel Engine—1K Procedure (0.4 % Fuel Sulfur) and 1N
1
Procedure (0.04 % Fuel Sulfur)
This standard is issued under the fixed designation D6750; 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.
INTRODUCTION
The test methods described in this standard can be used by any properly equipped laboratory
2
without outside assistance. However, the ASTM Test Monitoring Center (TMC) provides reference
oils and an assessment of the test results obtained on those oils by the laboratory (see Annex A15).
By this means, the laboratory will know whether its use of the test methods gives results statistically
similar to those obtained by other laboratories. Furthermore, various agencies require that a laboratory
uses the TMC services in seeking qualification of oils against specifications. For example, the U.S.
Army has such a requirement in some of its engine oil specifications.
Accordingly, these test methods are written for those laboratories that use the TMC services.
Laboratories that choose not to use these services may ignore those portions of the test methods that
refer to the TMC.
These test methods may be modified by Information Letters issued periodically by the TMC after
the publication of this edition of the standard to become part of it. These letters are obtainable from
the TMC. In addition, the TMC may issue supplementary memoranda related to the test methods, also
obtainable from the TMC.
1. Scope*
1.1 These test methods cover the performance of engine oils intended for use in certain diesel engines. They are performed in
a standardized high-speed, single-cylinder diesel engine by either the 1K (0.4 % mass fuel sulfur) or 1N (0.04 % mass fuel sulfur)
3
procedure. The only difference in the two test methods is the fuel used. Piston and ring groove deposit-forming tendency and oil
consumption are measured. Also, the piston, the rings, and the liner are examined for distress and the rings for mobility. These test
methods are required to evaluate oils intended to satisfy API service categories CF-4 and CH-4 for 1K, and CG-4 for 1N of
Specification D4485.
3
1.2 These test methods, although based on the original Caterpillar 1K/1N procedures, also embody TMC information letters
issued before these test methods were first published. These test methods are subject to frequent change. Until the next revision
of these test methods, TMC will update changes in these test methods by the issuance of information letters which shall be obtained
from TMC (see Annex A15).
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.3.1 Exception—Where there is no direct SI equivalent such as screw threads, national pipe threads/diameters, tubing size, or
single source equipment specified. Also Brake Specific Fuel Consumption is measured in kilograms per kilowatthour.
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 and health practices and determine the applicability of regulatory
limitations prior to use. Specific precautionary statements appear throughout the text. Being engine tests, these test methods do
1
These test methods are under the jurisdiction of ASTM Committee D02 on Petroleum Products, Liquid Fuels, and Lubricants and is the direct responsibility of
Subcommittee D02.B0.02 on Heavy Duty Engine Oils.
Current edition approved May 1, 2014April 1, 2015. Published May 2014April 2015. Originally approved in 2002. Last previous edition approved in 20132014 as
D6750 – 13.D6750 – 14. DOI: 10.1520/D6750-14.10.1520/D6750-15.
2
ASTM Test Monitoring Center (TMC), 6555 Penn Ave., Pittsburgh, PA 15206-4489. The TMC issues Information Letters that supplement this test method. This edition
incorporates revisions contained in all information letters through No. 13–1.14–1.
3
These 1K/1N test procedures were developed by Caterpillar Inc., P.O. Box 610, Mossville, IL 61552-0610.
*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 19
...
Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.