Western Star 47X 2020, Maintenance Manual

Page: 57 / 166

4. Install each drain plug and tighten them 50 lbf·ft
(68 N·m).
NOTE: For an Eaton Fuller transmission, the
optional transmission fluid filter is a remote-
mount, spin-on type, and is located between the
transmission and the fluid cooler. The filter
bracket is attached to the frame rail or some
other nearby location. The filter is mounted in a
vertical position, and should be filled with fluid
before installation to assure the proper fluid
level. For optimum transmission performance,
change the filter each time that the fluid is
changed.
5. For an Eaton Fuller transmission equipped with a
transmission fluid filter(s), replace the fluid fil-
ter(s) as follows:
5.1 Place a drain pan under the transmission
fluid filter.
CAUTION
To prevent skin burns from hot transmission fluid,
wear protective gloves when removing the filter.
5.2 Place a strap or chain wrench around the
filter canister, and rotate it in a counter-
clockwise motion to separate the filter
from the mounting. Carefully spin the filter
off the mount and remove it from the ve-
hicle.
5.3 Apply a light coat of transmission fluid to
the O-ring gasket on the new filter. Fill the
filter with specified transmission fluid, and
spin the filter onto the mount.
NOTE: The filter fills slowly, so be patient to
ensure the proper fluid level has been set.
5.4 Once the filter makes contact with the
mount, use a strap wrench to rotate the
canister an additional 180 to 270 degrees
to firmly tighten the filter. Wipe the filter
clean of any fluid after it is tightened.
6. Add fluid until it is level with the lower edge of
the fill opening. See
Fig. 2 . If the transmission
has two fill openings, add fluid to the level of
both openings. See
Table 1 for approved trans-
mission lubricants, and Table 2 for transmission
lubricant capacities.
For more information and a complete listing of
Eaton approved lubricants, refer to the Eaton
website,
www.roadranger.com .
Approved Manual Transmission Lubricants
Transmission
Model
Lubricant Type
*
Temp.
Range
SAE
Viscosity
All Eaton
Fuller
MobilTrans SHC 50
(RN 2952 E-5)
All 50W
Synthetic transmission
lubricant approved by
Eaton
All 50W
*
Do not mix types or brands of fluid. Multi-weight and extreme-pressure
gear fluids are not recommended.
Table 1, Approved Manual Transmission Lubricants
Eaton Fuller Transmission Lubricant Capacities
Transmission Model Refill Capacity: qt (L)
7-Speed T Series
All Models 18.0 (17.0)
All 9-Speed Series
All Models 13.5 (12.8)
All 10-Speed Manual (except deep reduction)
FR and FRO Series 11.75 (11.0)
RT and RTX Series 13.0 (12.3)
RTLO Series 14.0 (13.2)
10-Speed Deep Reduction
RTO–14908LL
14.0 (13.2)
RTO–16908LL
10-Speed Advantage
FA Series 8.0 (7.5)
10-Speed Automated
Lightning Top 2 (all) 13.5 (12.8)
10-Speed Autoshift AS2 (all) 13.0 (12.3)
13-Speed RTLO Series
All Models 14.0 (13.2)
15-Speed RTO Series
All Models 14.0 (13.2)
All 18-Speed Series
RTLO Series
14.0 (13.2)
18-Speed Autoshift AS2 (all)
Transmission
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47X and 49X Maintenance Manual, June 2021
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