ASTM D6618-05
(Test Method)Standard Test Method for Evaluation of Engine Oils in Diesel Four-Stroke Cycle Supercharged 1M-PC Single Cylinder Oil Test Engine
Standard Test Method for Evaluation of Engine Oils in Diesel Four-Stroke Cycle Supercharged 1M-PC Single Cylinder Oil Test Engine
SIGNIFICANCE AND USE
The test method is designed to relate to high-speed, supercharged diesel engine operation and, in particular, to the deposit control characteristics and antiwear properties of diesel crankcase lubricating oils.
The test method is useful for the evaluation of diesel engine oil quality and crankcase oil specification acceptance. This test method, along with others, defines the minimum performance level of the API categories CF and CF-2 (detailed information about passing limits for these categories is included in Specification D 4485). It is also used in MIL-PRF-2104.
The results are significant only when all details of the procedure are followed. The basic engine used in this test method has a precombustion chamber (as compared to direct injection) and is most useful in predicting performance of engines similarly equipped. This factor should be considered when extrapolating test results. It has been found useful in predicting results with high sulfur fuels (that is, greater than 0.5 wt %) and with certain preemission controlled engines. It has also been found useful when correlated with deposit control in two-stroke cycle diesel engines.
SCOPE
1.1 This test method covers a four-stroke cycle diesel engine test procedure for evaluating engine oils for certain high-temperature performance characteristics, particularly ring sticking, ring and cylinder wear, and accumulation of piston deposits. Such oils include both single viscosity SAE grade and multiviscosity SAE grade oils used in diesel engines. It is commonly known as the 1M-PC test (PC for Pre-Chamber) and is used in several API oil categories, notably the CF and CF-2 and the military category described in MIL-PRF-2104 (see Note 0).Note 0
Companion test methods used to evaluate other engine oil performance characteristics for API oil categories CF and CF-2 are discussed in SAE J304. The companion tests used by the military can be found in MIL-PRF-2104.
1.2 The values stated in either SI units or other units are to be regarded separately as the standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other, without combining values in any way.
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.
1.3 This test method is arranged as follows:
General Information
Relations
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
An American National Standard
Designation: D 6618 – 05
Standard Test Method for
Evaluation of Engine Oils in Diesel Four-Stroke Cycle
1
Supercharged 1M-PC Single Cylinder Oil Test Engine
This standard is issued under the fixed designation D6618; 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
This test method can be used by any properly equipped laboratory, without outside assistance.
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However,theASTMTestMonitoringCenter(TMC) providesreferenceoilsandanassessmentofthe
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 other laboratories.
Furthermore, various agencies require that a laboratory utilize the TMC services in seeking
qualification of oils against specifications. For example, the U.S.Army imposes such a requirement,
in connection with several Army engine lubricating oil specifications.
Accordingly, this test method is written for use by laboratories that utilize the TMC services.
Laboratoriesthatchoosenottousethoseservicesmaysimplyignorethoseportionsofthetestmethod
that refer to the TMC.
ThistestmethodmaybemodifiedbymeansofInformationLettersissuedbytheTMC.Inaddition,
the TMC may issue supplementary memoranda related to the test method.
1. Scope system shall be used independently of the other, without
combining values in any way.
1.1 This test method covers a four-stroke cycle diesel
1.3 This standard does not purport to address all of the
engine test procedure for evaluating engine oils for certain
safety concerns, if any, associated with its use. It is the
high-temperature performance characteristics, particularly ring
responsibility of the user of this standard to establish appro-
sticking, ring and cylinder wear, and accumulation of piston
priate safety and health practices and determine the applica-
deposits.SuchoilsincludebothsingleviscositySAEgradeand
bility of regulatory limitations prior to use.
multiviscosity SAE grade oils used in diesel engines. It is
1.4 This test method is arranged as follows:
commonlyknownasthe1M-PCtest(PCforPre-Chamber)and
TABLE OF CONTENTS
is used in severalAPI oil categories, notably the CF and CF-2
Scope 1
and the military category described in MIL-PRF-2104 (see
Reference Documents 2
Note 1).
Terminology 3
Summary of Test Method 4
NOTE 1—Companion test methods used to evaluate other engine oil
Significance and Use 5
performance characteristics for API oil categories CF and CF-2 are Apparatus 6
Test Engine 6.1
discussed in SAE J304. The companion tests used by the military can be
Engine Accessories 6.2-6.14
found in MIL-PRF-2104.
Engine Oil System 6.15
1.2 The values stated in either SI units or other units are to Cooling System 6.16
Fuel System 6.17
be regarded separately as the standard. The values stated in
Intake Air System 6.18
each system may not be exact equivalents; therefore, each
Exhaust System 6.19
Blowby Meter 6.20
Thermocouples 6.21
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Parts 6.22
This test method is under the jurisdiction of ASTM Committee D02 on
Instrumentation 6.23
Petroleum Products and Lubricants and is the direct responsibility of Subcommittee
Crankcase Paint 6.24
D02.B0 on Automotive Lubricants. The test engine sequences were originally
Reagents and Materials 7
developed in 1956 by ASTM Committee D02. Subsequently, the procedures were
Fuel 7.1
published in an ASTM Special Technical Publication.
Test Oil 7.2
Current edition approved Nov. 1, 2005. Published December 2005. Originally
Engine Coolant 7.3
approved in 2000. Last previous edition approved in 2004 as D6618–04.
Cleaning Materials 7.4
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The TMC issues Information Letters that supplement this test method. This edition
incorporates revisions contained in all information letters through No. 05-1.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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D6618–05
D93 Test Methods for Flash Point by Pensky-Martens
Safety 8
Preparation of Apparatus 9
Closed Cup Tester
Supplementary Service Information 9.1
D97 Test Method for Pour Point of Petroleum Products
General Engine Inspection 9.2
D130 Test Method for Corrosiveness to Copper from
Intake Air System 9.3
Cooling System 9.4
Petroleum Products by Copper Strip Test
Engine Cooling System Cleaning 9.5
D235 Specification for Mineral Spirits (Petroleum Spirits)
Instrumentation Calibration Requirements 9.6
(Hydrocarbon Dry Cleaning Solvent)
Engine Crankcas
...
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