170 Maintenance
Meritor Single RS23, 25, 26 and 30
Meritor Tandem RT40, 44 and 46
For oil change intervals, see the manu-
facturer’s Operator’s Manual
Capacity:
RS23-160 .......... 20 quarts
(19 liters)
RS23-185 .......... 23.5 quarts
(22.5 liters)
RT40-145, front
tandem
RT40-145, rear
tandem
15 quarts
(14 liters)
13 quarts
(12 liters)
W4000881
1) Select viscosity from the table
above. Temperatures refer to sta-
ble ambient temperature readings.
There is no upper limit to these
outside temperatures but the axle
sump temperature
MUST NEVER
EXCEED 250
F (120
C).
Eaton Single 23080, 23105, 26105 and 30105
Eaton Tandem DS405, DD405, DDH44 and DS462
For oil change intervals, see the manu-
facturer’s Operator’s Manual
Capacity:
23080 ................ 20 quarts
(19 liters)
23105 and
26105 ................
28 quarts
(26.5 liters)
DD404, front tan-
dem
DD404, rear tan-
dem
15.5 quarts
(14.5 liters)
14 quarts
(13 liters)
DS404, front tan-
dem
DS404, rear tan-
dem
15.5 quarts
(14.5 liters)
14 quarts
(13 liters)
W4000882
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