• 60 to 75 lbf·ft (81 to 102 N·m) for Eaton
Fuller transmissions with 1-1/4-inch pipe
threads.
• 44 lbf·ft (60 N·m) for all ZF Meritor
FreedomLine automated transmissions.
• 35 to 50 lbf·ft (48 to 67 N·m) for all other
Meritor transmissions.
9. Operate the vehicle to check for correct opera-
tion.
Approved Manual Transmission Lubricants
Transmission
Model
Lubricant Type
*
Temp.
Range
SAE
Viscosity
Eaton Fuller Transmissions
†
All Eaton
Fuller
MobilTrans SHC 50
(RN 2952 E-5)
All 50W
Synthetic transmission
lubricant approved by
Eaton
All 50W
Meritor Transmissions
FreedomLine
MobilTrans SHC 50
(RN 2952 E-5)
All 50W
All other
Meritor
Synthetic engine oil
meeting Meritor spec
0–81, or MIL–L–2104D
or E
All 50W
*
Do not mix types or brands of fluid. Multiweight and extreme-pressure
gear fluids are not recommended.
†
Call 1-800-826-4357 for a complete list of Eaton approved lubricants.
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 Models (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)
RTO–16210C 11.75 (11.0)
10-Speed Deep Reduction
RTO/RTX–11708LL
14.0 (13.2)
RTO–11908LL
RTO/RTX–14708LL 14.5 (13.7)
10-Speed Automated Models
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)
All 15-Speed Series
All Models 14.0 (13.2)
All 18-Speed Series
RTLO Series
14.0 (13.2)
18-Speed Autoshift AS2 (all)
*
Quantities listed are approximate. Fill the transmission until lubricant is
level with bottom of the fill hole, with the vehicle in normal operating posi-
tion.
Table 2, Eaton Fuller Transmission Lubricant
Capacities
26–02 Allison Transmission
Fluid and Filter Change
When draining transmission fluid, check for evidence
of dirt or water contamination. A small amount of
condensation will appear in the fluid during operation.
f260006a
05/27/93
A
B
A. Full B. Low
Fig. 1, Checking Transmission Fluid Level
Transmission26
Century Class Trucks Maintenance Manual, April 200526/2
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