Wheel Bearing Lubrication - Peterbilt 348 2017 Operator's Manual

•
Refer to the Eaton Field
Maintenance Manual for a
particular axle for lubricant
specifications.
Type of Lubricant
Mineral-Based 120,000 (192,000)
Eaton-Approved 240,000 (384,000)
Synthetic
Eaton-Approved 350,000 (560,000)
Synthetic in axle with
extended drain interval
option

Wheel Bearing Lubrication

Oil-lubricated Driven Hubs
Use hypoid oil, A.P.I.-GL-5 SAE
75W-90FE synthetic gear lubricant
or equivalent. A minimum of 1 quart
(921 ml) of oil is required for proper
lubrication of each drive hub. Add oil
through the filler hole in the hub; if
none, add oil through the differential
filler hole. (Note: Remember to replace
vent plug or threaded filler plug when
(03/17)
•
See your dealer for
Eaton-approved lubricant brands.
On-Highway Mi. (km) Maximum Change
done.) Allow time for the oil to seep
through the bearings when initially
filling a hub. Maintain the differential
oil level by adding oil until its surface is
even with the bottom of the filler hole
(see illustration on page 5-42).
LUBRICANT SPECIFICATIONS
On/Off Highway Severe
Interval Service Mi. (km)
Yearly 60,000 (96,000)
2 Years 120,000 (192,000)
Y53-6060-1C1
•
Refer to the chart below for
lubricant change interval.
Maximum Change
Interval
Yearly
Yearly
Oil-lubricated Nondriven Hubs
Use CD50 synthetic transmission fluid
SAE 50W or equivalent. A minimum of
9 oz. (270 ml) of lubricant is required
for proper lubrication of an LMS™ hub;
10-13 oz. (295-400 ml) is required for
a non-LMS hub, depending on wheel
design. Allow time for the fluid to seep
through the bearings when initially
filling a hub. When properly filled, the
5
5-51