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TRUCK SERVICE MANUAL
TM 5-4210-230-14&P-1
LUBRICATION
Table A - Arctic Oil Recommendations
Parameter (Test Method)
Specifications
Performance Quality Level
API Class CC/SC or API Class CC/CD
Viscosity
10,000 Centistokes Maximum @ -34° C (-30° F)
5.75 Centistokes Minimum @ 99° C (210° F)
Pour Point (ASTM D-97)
At least -12° C (10° F) below lowest expected
ambient temperature.
Ash, Sulfated (ASTM D-874)
1.85% by Weight Maximum
IMPORTANT
Due to extreme operating conditions, oil change intervals should be carefully evaluated paying particular
attention to viscosity changes and total base number decrease. Oil designed to meet MIL-L10295-A,
which is now void, and SAE 5W mineral oils should not be used.
DETROIT DIESEL
Detroit Diesel engines have given optimum performance and
experienced the longest life with MIL-L2104B (API designation "CC"),
SAE 40 oils with the following physical property limitations.
1. Sulfated ash (ASTM D-874) of 1.00 percent maximum weight, except
lubricants that contain only barium detergent dispersants where 1.50
percent by-weight is allowed.
2. Zinc, as zinc diorganodithiophosphate, shall be a minimum of 0.07
percent by weight. SAE 40 grade oil is recommended for year-round
use.
An SAE 30 oil should be used only when the ambient temperatures and
engine cranking capabilities resalt in difficult starting. The use of lower
viscosity oils (below 30 grade) or multigrade products will usually result
in less than normal engine life.
CTS-2412S Page 7
PRINTED IN UNITED STATES OF AMERICA
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