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ASTM International - ASTM D6923-17

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

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Organization: ASTM International
Publication Date: 1 May 2017
Status: inactive
Page Count: 64
ICS Code (Lubricants, industrial oils and related products): 75.100
significance And Use:

5.1 This is an accelerated engine oil test, performed in a standardized, calibrated, stationary single-cylinder diesel engine that gives a measure of (1) piston and ring groove deposit... View More

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 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, and tubing size, or where a sole source supplier is specified.

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 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:

Scope 1
Referenced Documents 2
Terminology 3
Summary of Test Method 4
Significance and Use 5
Apparatus and Installation 6
 Intake Air System 6.2.1
 Exhaust System 6.2.2
 Fuel System 6.2.3
 Oil Consumption System 6.2.4
 Engine Oil System 6.2.5
 Engine Coolant System 6.2.6
 Engine Instrumentation 6.2.7
Reagents and Materials 7
Oil Samples 8
Preparation of Apparatus 9
 General Engine Assembly Practices 9.1
 Complete Engine Inspection 9.2
 Copper Component 9.3
 Engine Lubricant System Flush 9.4
 Engine Piston Cooling Jet 9.5
 Engine Measurements and Inspections 9.6
 Cylinder Head 9.7
 Valve Guide Bushings 9.8
 Fuel Injector 9.9
 Piston and Rings 9.10
 Cylinder Liner 9.11
 Compression Ratio 9.12
 Engine Timing 9.13
 Engine Coolant System Cleaning Procedure 9.14
Calibration and Standardization 10
 Test Cell Instrumentation 10.1
 Instrumentation Standards 10.2
 Coolant Flow 10.3
 Fuel Injectors 10.4
 Air Flow 10.5
 Intake Air Barrel 10.6
 Fuel Filter 10.7
 Oil Scale Flow Rates 10.8
 Test Stand Calibration 10.9
  Re-calibration Requirements 10.9.1
  Extending Test Stand Calibration Period 10.9.2
 Test Run Numbering 10.10
 Humidity Calibration Requirements 10.11
 Calibration of Piston Deposit Raters 10.12
Procedure 11
 Engine Break-in Procedure 11.1
 Cool-down Procedure 11.2
 Warm-up Procedure 11.3
 Shutdowns and Lost Time 11.4
 Periodic Measurements 11.5
 Engine Control Systems 11.6
  Engine Coolant 11.6.1
  Engine Fuel System 11.6.2
  Engine Oil Temperature 11.6.3
  Exhaust Pressure 11.6.4
  Intake Air 11.6.5
 Post-Test Procedures 11.7
  Piston Ring Side Clearances 11.7.1
  Piston Ratings 11.7.2
  Ring Gap End Increase 11.7.3
  Cylinder Liner Wear 11.7.4
  Cylinder Liner Bore Polish 11.7.5
  Photographs 11.7.6
Calculation and Interpretation of Results 12
 Test Validity 12.1
 Calculations 12.4
  Quality Index 12.4.1
  Oil Consumption 12.4.2
Report 13
 Forms and Data Dictionary 13.1
 Test Validity 13.2
 Report Specifics 13.3
Precision and Bias 14
 Precision 14.1
 Bias 14.2
Keywords 9.11.1
Annexes  
Engine and Parts Warranty Annex A1
Instrument Locations, Measurements and Calculations Annex A2
Cooling System Arrangement Annex A3
Intake Air Mass Flow Sensor Installation Annex A4
Fuel System Design and Required Components Annex A5
Oil System Annex A6
Additional Report Forms Annex A7
Engine Assembly and Inspection Information Annex A8
Flushing Instructions and Apparatus Annex A9
Warm-up, Cool-down and Testing Conditions Annex A10
Piston and Liner Rating Modifications Annex A11
Return Goods Authorization Claim Form Annex A12
Appendixes  
Various Examples of Supplemental Information for Reference Purposes Appendix X1
Safety Appendix X2

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.

Document History

October 1, 2018
Standard Test Method for Evaluation of Engine Oils in a High Speed, Single-Cylinder Diesel Engine—Caterpillar 1R Test Procedure
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....
ASTM D6923-17
May 1, 2017
Standard Test Method for Evaluation of Engine Oils in a High Speed, Single-Cylinder Diesel Engine—Caterpillar 1R Test Procedure
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....
May 1, 2014
Standard Test Method for Evaluation of Engine Oils in a High Speed, Single-Cylinder Diesel Engine—Caterpillar 1R Test Procedure
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....
May 1, 2013
Standard Test Method for Evaluation of Engine Oils in a High Speed, Single-Cylinder Diesel Engine—Caterpillar 1R Test Procedure
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....
October 1, 2010
Standard Test Method for Evaluation of Engine Oils in a High Speed, Single-Cylinder Diesel Engine—Caterpillar 1R Test Procedure
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....
May 1, 2010
Standard Test Method for Evaluation of Engine Oils in a High Speed, Single-Cylinder Diesel Engine—Caterpillar 1R Test Procedure
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....
April 15, 2009
Standard Test Method for Evaluation of Engine Oils in a High Speed, Single-Cylinder Diesel Engine—Caterpillar 1R Test Procedure
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....
October 15, 2008
Standard Test Method for Evaluation of Engine Oils in a High Speed, Single-Cylinder Diesel Engine—Caterpillar 1R Test Procedure
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....
November 1, 2005
Standard Test Method for Evaluation of Engine Oils in a High Speed, Single-Cylinder Diesel Engine—Caterpillar 1R Test Procedure
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....
June 10, 2003
Standard Test Method for Evaluation of Engine Oils in a High Speed, Single-Cylinder Diesel Engine—Caterpillar 1R Test Procedure
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....
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