Ford F-750 Owner's Manual page 222

Maintenance and Specifications
Lubrication
Component
Meritor - Fill at the factory
single-speed axle with Synthetic
SAE 75W-140,
will have a tag
attached to fill
plug that reads
as follows: "Filled
with synthetic
lube. Do not
mix."
Multipurpose EP
gear lube of API
GL-5 quality
meeting
MIL-PRF-2105E
specifications
including
synthetic
lubricants. Do
not mix
conventional
and synthetic
lubricants.
222
2007 F-650/750 (f67)
Supplement (supplement)
Canadian_French (fr_can)
Viscosity /
Ambient
type temperature /
Notes
—
SAE 75W-140:
Above –40°F
(Above –40°C)
SAE 85W-140:
above 10°F
(–12°C)
SAE 85W-140:
above –15°F
(–26.1°C)
SAE 80W-90:
above –15°F
(–26.1°C)
SAE 75W
maximum outside
temperature
(35°F (1.6°C);
Above –40°F
(–40°C)
Equivalent
Ford part name
/ number
—
Motorcraft SAE
75W-140
Motorcraft
Synthetic Rear
Axle Lubricant /
XY–75W140–QL
Motorcraft SAE
80W-90 Premium
Rear Axle
Lubricant /
XY-80W90-QL
Motorcraft SAE
75W-140
Motorcraft
Synthetic Rear
Axle Lubricant /
XY–75W140–QL