Fuel, Oil and Coolant Specifications
STATEMENT OF POLICY ON FUEL AND
NEW ENGINE OIL CLASSIFICATION SYSTEM
A relatively new engine oil classification system has
been introduced to industry that describes the criteria
In answer to requests concerning the use of fuel and
required to meet each performance level. A simplified
lubricating oil additives. the following excerpt has been
cross-reference of oil and current commercial and
military specifications is shown below.
taken from a policy statement of General Motors
CROSS-REFERENCE OF LUBE OIL CLASSIFICATION SYSTEMS
"It has been and continues to be General Motors
policy to build motor vehicles that will operate
satisfactorily on the commericalfuels and lubricants
of good quality regularly provided by the petroleum
industry through retail outlets."
Therefore. Detroit Diesel Allison does not recommend
the use of any supplementary fuel or lubricant additives.
These include all products marketed as fuel con-
‡ Oil performance meets or exceeds that of CC and SE oils.
ditioners. smoke suppressants, masking agents. re-
Oil performance meets or exceeds that of CD and SC oils.
odorants. tune-up compounds, top oils. break-in oils,
NOTE: MIL-L-2104B lubricants are currently marketed and
graphitizers. and friction-reducing compounds.
readily available for commercial use. MIL-L-2104B lubricants
are obsolete for Military service applications only.
NOTE: The manufacturer's warranty applicable to
C o n s u l t the following publications for complete
Detroit Diesel engines provides in part that the
provisions of such warranty shall not apply to any
engine unit which has been subject to misuse,
1. Society of Automotive Engineers (SAE) Technical
negligence or accident. Accordingly, malfunctions
2. Federal Test Method Standard 791a.
attributable to neglect or failure to follow the
manufacturer's fuel or lubricating recommenda-
PUBLICATION AVAILABLE SHOWING
tions may not be within the coverage of the
COMMERCIAL "BRAND" NAME LUBRICANTS
A list of "brand" name lubricants distributed by the
majority of worldwide oil suppliers can be purchased
SERVICE AND INSPECTION INTERVALS
from the Engine Manufacturers Association (EMA).
The publication is titled, EMA Lubricating Oils Data
Generally. operating conditions will vary for each
Book for Heavy-Duty Automotive and Industrial En-
engine application, even with comparable mileage or
gines. The publication shows the brand names, oil
hours and, therefore, maintenance schedules can vary.
performance levels, viscosity grades. and sulfated ash
A good rule of thumb for piston. ring. and liner inspec-
contents of most "brands" marketed.
tions, however, would be at 45,000 miles or 1500 hours
ENGINE MANUFACTURERS ASSOCIATION
for the first such inspection and at 30,000 miles or
111 EAST WACKER DRIVE
CHICAGO, ILLINOIS 60601
1000 hour intervals thereafter.