PART 8: MAINTENANCE AND SERVICE PREVENTIVE MAINTENANCE SCHEDULE
(R05/10) Y53-6032 – 167 –
Spicer Transmission Lubrication
It is extremely important to use the proper lubricants and
maintain the correct oil levels in Spicer units. This will
ensure proper lubrication and operating temperatures in
these units.
Recommended Lubricants
The lubricants listed below are recommended, in order of
preference, for use in all Spicer mechanical transmis-
sions, auxiliaries, and transfer cases. Do not use extreme
pressure additives such as those found in multipurpose or
rear axle-type lubricants. These additives are not required
in Spicer transmissions, and may in some cases create
transmission problems. Multipurpose oils, as a group,
have relatively poor oxidation stability, a high rate of
sludge formation, and a greater tendency to react with or
corrode the steel and bronze parts.
Table 6 Recommended Lubricants
Type Grade (SAE)
Ambient
Temperature
Heavy Duty Engine Oil MIL-L-
2104D or MIL-L-46152B, API-SF
or API-CD (MIL-L-2104B or C or
MIL-L-46152 designations are
acceptable)
30, 40, or 50
Above 0° F
(-18° C)
30
Below 0° F
(-18° C)
Mineral gear oil
(R & O type) API-GL-1
90
Above 0° F
(-18° C)
80
Below 0° F
(-18° C)
Synthetic Engine Oil meeting MIL-
L-2104D or MIL-L-46152B, API-
SF or API-CD
CD50
CD30
All
*Synthetic Gear Oil Meeting MIL-
2105C or API-GL5
EP75W90
EP75W140
All
*EP Gear Oils are not recommended when lubricant operating temper-
atures are above 230° F (110° C).
Y53-6032.book Page 167 Monday, May 24, 2010 3:37 PM
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