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ASTM D6750-10a
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) (Includes all amendments And changes 12/31/2010).
Automatically translated name:
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 published on 1.7.2010
The information about the standard:
Designation standards: ASTM D6750-10a
Note: WITHDRAWN
Publication date standards: 1.7.2010
SKU: NS-36379
The number of pages: 67
Approximate weight : 201 g (0.44 lbs)
Country: American technical standard
Category: Technical standards ASTM
Annotation of standard text ASTM D6750-10a :
Keywords:
deposits, engine oil, engine wear, 1K test, 1N test, piston-ring-liner scuffing, piston ring sticking, top land heavy carbon, Performance--petroleum products/applications, Piston-ring-liner scuffing/sticking, Piston rings, ASTM Test Monitoring Center (TMC2), Automotive engine fuels/oils, Calibration--petroleum analysis instrumentation, Diesel engines, Fuel sulfur, ICS Number Code 75.100 (Lubricants, industrial oils and related products)
Additional information
| Significance and Use | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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. 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. 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. 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). These test methods are also used in diesel engine oil development. |
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| 1. Scope | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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. 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, 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. |
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| 2. Referenced Documents | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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