SRT45 Off-Highway Truck
8-14
Safety, Operation and Maintenance Manual
Note
1 - Consult your lubricant supplier for
the correct viscosity of lubricant to use when
ambient temperatures are consistently above
or below those listed.
Note
2 - Cummins Engine Co., does not
recommend any specific brand of engine oil
but the use of oils that meet API categories.
Cummins recommends use of only the multi-
graded viscosity oils shown for the various
ambient temperatures listed.
No te
3-O pe rat io n belo w t he min im um
temperatures listed for the oil used without
proper preheat or warm-up results in greatly
reduced transmission life. If auxiliary heating
is available, preheat the oil to the minimum
temperature limit. If not available, run the
engine at part throttle with the transmission in
neutral to raise the uid temperature.Hydraulic
Transmission Oil meeting the Allison C-4
requirements. Consult your lubricant supplier
for conrmation.
Note
4 - If rear axle has limited slip differential,
use of standard SAE 90 oil may result in very
loud noise and jerking of the wheels when
driving slowly round sharp corners and an EP
oil with limited slip additives should be used.
O t h e r l u b r i c a n t s u p p l i e r s m a y h a v e
comparable products and should be consulted
for conrmation.
Temperature conversion
℃
-32 -30 -27 -25 -20 -18 -15 -10 0 10 15 25 32 35 38 45 93 190
℉
-26 -22 -17 -13 -4 0 5 14 32 50 59 77 90 95 100 113 200 375
Lubrication and Servicing
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