Recommended Lubricants
On Highway Vehicles
Type
Grade
Temperature
MIL-L-2104B
SAE 50
Above +10°F.
Heavy-Duty Engine Oil
SAE 30
Below +10°F.
Mineral
SAE 90
Above +10°F.
Gear Oil
SAE 80
Below +10F.
MIL-L-2105B E.P.
SAE 90
Above +10°F.
Oil, except Sulfur-chlorine-lead type.
SAE 80
Below +10°F.
Heavy-duty engine oil. Make sure to specify heavy-duty type meeting MIL-L-2104B specifications.
Mineral gear oil inhibited against corrosion, oxidation and foam.
Extreme pressure oils under some conditions might form carbon deposits on gears, shafts, and bearings which will result
in transfer case malfunctions and premature failure. It is suggested that if these conditions exist, and E.P. oil is being
used, a change should be made to mineral gear oil or heavy-duty engine oil as recommended.
Off Highway & Mining Equipment
Type
Grade
Temperature
MIL-L-2104B
SAE 50
Above +10F.
Heavy-Duty Engine Oil
SAE 30
Below +10F.
Special Recommendation
For extreme cold weather where temperature is consistently below 0°F.
MIL-L-2104B
SAE 20W
Below 0°F.
Heavy-Duty Engine Oil
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