Ford F650 Owner's Manual page 225

Component
Meritor
Allison
Maintenance and Specifications
Lubrication
type
Petroleum oil:
Heavy Duty
Engine Oil
MIL-L-2104E or
API-SL or
API-CF
(previous API
designations
acceptable)
Mineral gear oil
with rust and
oxidation
inhibitor
API-GL-1 Do
not use
multi-weight
and GL-5 EP
gear oils; they
may cause
transmission
failure or
damage.
Synthetic oil:
MIL-L-2104E or
MIL-L-46152D
Do not use
multi-weight
and GL-5 EP
gear oils; they
may cause
transmission
failure or
damage.
Refer to
transmission
manual
Viscosity /
Ambient
temperature /
Notes
SAE 50: above
10°F (–12°C)
SAE 40: above
10°F (–12°C)
SAE 30: below
10°F (–12°C)
SAE 90: above
10°F (–12°C)
SAE 80: below
10°F (–12°C)
SAE 50: All
temperatures
—
Equivalent
Ford part
name / number
—
—
Motorcraft SAE
30 Super Duty
Motor Oil /
XO-30-QSD
—
—
—
—
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