Ford F650 Owner's Manual page 224

Maintenance and Specifications
Component
Spicer
(synchronized)
(lubricants are
listed in order of
preference)
224
Lubrication
type
Petroleum oil:
Engine oil
API-SL or
API-CF
(MIL-L-2104E or
MIL-L-46152E)
Mineral gear oil:
API-GL-1 (rust
and oxidation
inhibited)
Synthetic oil:
Synthetic
Engine Oil
meeting
MIL-L-2104E or
MIL-L-46152E,
API-SL or
API-CF
Viscosity /
Ambient
temperature /
Notes
SAE 50: above
10°F (–12°C)
SAE 40: below
10°F (–12°C)
SAE 90: above
10°F (–12°C)
SAE 80W: below
10°F (–12°C)
SAE 50: All
temperatures
Equivalent
Ford part
name / number
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