TRUCK SERVICE MANUAL
ENGINE
Arctic Operations
GREASE - Cont.
For operation in areas where the ambient temperature is
Stability
consistently below -10 deg F [-I23 deg C] and there is no
Oil separation, %
provision for keeping engines warm 'during shutdowns,
30 Hours @ 212 deg. F.
*FTM 321
the lubricating oil should meet the requirements in Table
5 max.
33.
Penetration
Due to extreme operating conditions, oil change intervals
Worked
ASTM D 217
should be carefully evaluated paying particular attention
250-300
to viscosity changes and total base number decrease.
Bomb Test, PSI Drop
ASTM D 942
Oil designed to meet MIL-L-10295-A, which is now void,
100 Hours
10 max.
500 Hours
25 max.
and SAE 5W mineral oils should not be used.
Copper, Corrosion
*FTM 5309
Table 3-3: Arctic Oil Recommendations
Pass
Parameter
(Test Method)
Specifications
Dirt Count, Particles/cc
*FTM 3005
Performance
API class CC/SC or
25 Micron +
5,000 max.
Quality Level
API class CC/CD
75 Micron +
1,000 max.
125 Micron +
None
Viscosity
10,000 Centistrokes Max.
@ -30 deg. F
Rubber Swell
*FTM 3603
5.75 Centistrokes Min.
10 max.
@ 210 deg. F
*Federal Test Method Standard No. 791a.
Pour Point
At least 10 deg. F [6 deg. C]
Caution: Do not mix brands of grease as damage to
(ASTM D-97)
below lowest expected
bearings may result. Excessive lubrication is as
ambient temperature
harmful as inadequate lubrication. After lubricating fan
hub, replace both pipe plugs. Use of fittings will allow
Ash, sulfated
1.85% by wt. Maximum
lubricant to be thrown out, due to rotative speed.
(ASTM D874)
Fuel
Grease
Cummins Engine Company, Inc., recommends use of
Cummins Diesel Engines have been developed to take
grease meeting the specifications of MIL-G-3545,
advantage of the high energy content and generally
excluding those of sodium or soda soap thickeners.
lower cost of No. 2 Diesel Fuels. Experience has shown
Contact lubricant supplier for grease meeting these
that a Cummins Diesel Engine will also operate
specifications.
satisfactorily on No. 1 fuels or other fuels within the
following specifications.
TEST
TEST PROCEDURE
High-Temperature Performance
Recommended Fuel Oil Properties:
Dropping point, deg. F
ASTM D 2265
350 min.
Viscosity
Centistokes 1.4 to 5.8 @ 100
Bearing life, hours at 300 deg. F.
*FTM 331
(ASTM D-445)
deg. F. (30 to 45 SUS)
10,000 rpm
600 min.
Cetane Number
40 minimum except in cold
Low-Temperature Properties
(ASTM D-613)
weather or in service with
Torque, GCM
ASTM D 1478
prolonged idle, a higher
Start at 0 deg. F.
15,000 max.
cetane number is desirable.
Run at 0 deg. F.
5,000 max.
Sulfur Content
Not to exceed 1% by weight.
Rust Protection and Water Resistance
(ASTM D-129 or 1552)
Rust test
ASTM D 1743
Pass
Water and Sediment
Not to exceed 0.1% by
Water resistance, %
ASTM D 1264
(ASTM D-1796)
weight.
20 max.
Carbon Residue
Not to exceed 0.25% by
(Ransbottom ASTM
weight on 10% residue.
D-524 or D-189)
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