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ComponentLubrication
typeViscosity /
Ambient
temperature /
NotesEquivalent
Ford part
name / number
Meritor
Petroleum oil:
Heavy Duty
Engine Oil
MIL-L-2104E or
API-SL or
API-CF (previous
API designations
acceptable)SAE 50: above
10°F (–12°C)—
SAE 40: above
10°F (–12°C)—
SAE 30: below
10°F (–12°C)Motorcraft SAE
30 Super Duty
Motor Oil /
XO-30-QSD
Mineral gear oil
with rust and
oxidation
inhibitor
API-GL-1Do
not use
multi-weight
and GL-5 EP
gear oils; they
may cause
transmission
failure or
damage.SAE 90: above
10°F (–12°C)—
SAE 80: below
10°F (–12°C)—
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.SAE 50: All
temperatures—
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Supplement
USA(fus)
Maintenance and Specifications
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Page 218 of 273
ComponentLubrication
typeViscosity /
Ambient
temperature /
NotesEquivalent
Ford part
name / number
Allison Refer to transmission operator’s manual
Rear axle
Eaton-Spicer -
two-speed axleRHEOLUBE 362
(or equivalent)
(Eaton part
number 113741)——
2008 F-650/750(f67)
Supplement
USA(fus)
Maintenance and Specifications
217
Page 219 of 273
ComponentLubrication
typeViscosity /
Ambient
temperature /
NotesEquivalent
Ford part
name / number
Eaton -
single-speed
axleGeneric
lubricantSAE 75W: –40°F
to –15°F (–40°C
to –26°C)Motorcraft SAE
75W-140
Motorcraft
Synthetic Rear
Axle Lubricant /
XY–75W140–QL SAE 75W-80:
–40°F to 80°F
(–40°C to 27°C)
SAE 75W-140:
–40°F to 100°F
(–40°C to 38°C)
SAE 80W-90:
–15°F to 100°F
(–26°C to 38°C)Motorcraft SAE
80W-90
Premium Rear
Axle Lubricant /
XY-80W90-QL
SAE 75W-140:
–40°F and above
(–40°C and
above)Motorcraft SAE
75W-140
Motorcraft
Synthetic Rear
Axle Lubricant /
XY–75W140–QL SAE 80W-140:
–15°F and above
(–26°C and
above)
SAE 85W-140:
10°F and above
(–12°C and
above)
2008 F-650/750(f67)
Supplement
USA(fus)
Maintenance and Specifications
218
Page 220 of 273
ComponentLubrication
typeViscosity /
Ambient
temperature /
NotesEquivalent
Ford part
name / number
Spicer -
single-speed
axleMultipurpose EP
gear lube of API
GL-5 quality
meeting
MIL-PRF-2105E
specifications
including
synthetic
lubricantsSAE 75W: –40°F
to 32°F (–40°C
to 0°C)Motorcraft SAE
75W-140
Motorcraft
Synthetic Rear
Axle Lubricant /
XY–75W140–QL SAE 75W-140:
–40°F to 100°F
(–40°C to 38°C)
SAE 80W: –15°F
to 70°F (–26°C
to 21°C)
SAE 75W-140:
–40°F and above
(–40°C and
above)Motorcraft SAE
75W-140
Motorcraft
Synthetic Rear
Axle Lubricant /
XY–75W140–QL SAE 80W-140:
–15°F and above
(–26°C and
above)
SAE 85W-140:
10°F and above
(–12°C and
above)
SAE 140W: 40°F
and above (4°C
and above)
SAE 90W: 10°F
to 100°F (–12°C
to 38°C)SAE 90 Hypoid
Gear Oil /
C6AZ-19580-E
2008 F-650/750(f67)
Supplement
USA(fus)
Maintenance and Specifications
219
Page 221 of 273
ComponentLubrication
typeViscosity /
Ambient
temperature /
NotesEquivalent
Ford part
name / number
Meritor -
single-speed
axleFill at the
factory 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.SAE 75W-140:
Above –40°F
(Above –40°C)Motorcraft SAE
75W-140
Motorcraft
Synthetic Rear
Axle Lubricant /
XY–75W140–QL 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)Motorcraft SAE
80W-90
Premium Rear
Axle Lubricant /
XY-80W90-QL
SAE 75W
maximum outside
temperature
(35°F (1.6°C);
Above –40°F
(–40°C)Motorcraft SAE
75W-140
Motorcraft
Synthetic Rear
Axle Lubricant /
XY–75W140–QL
2008 F-650/750(f67)
Supplement
USA(fus)
Maintenance and Specifications
220
Page 222 of 273
ComponentLubrication
typeViscosity /
Ambient
temperature /
NotesEquivalent
Ford part
name / number
Cab components
Hydraulic lift
pump fluidDexron III — Motorcraft
MERCON
Multi-Purpose
(ATF)
Transmission
Fluid /
XT-2-QDX
Cab latch and
lock leversMobile SHC 32
Low
Temperature
Lubricant (or
equivalent)——
Cab latch pivots;
Door check,
hinges, latches
and strikers;
Seat adjuster
slidesGC/LB NLGI #2
lithium
complex-based
moly grease (or
equivalent) or
multi-purpose
lithium complex
grease— Motorcraft
Premium Long
Life Grease /
XG-1-C
Cab latch pivot
pinsLight engine oil — Motorcraft SAE
5W-30 Super
Premium Motor
Oil /
XO-5W30-QSP
Door lock
cylindersLock oil — Motorcraft
Penetrating and
Lock Lubricant /
XL-1
2008 F-650/750(f67)
Supplement
USA(fus)
Maintenance and Specifications
221
Page 223 of 273
ComponentLubrication
typeViscosity /
Ambient
temperature /
NotesEquivalent
Ford part
name / number
Door window
regulatorsNGLI #2
multipurpose
lithium complex
grease— Motorcraft
Multi-Purpose
Grease Spray /
XL-5 or
Motorcraft
Multi-Purpose
Grease / XG-4
Weatherstripping Silicone
lubricant— Motorcraft
Silicone Spray /
XL-6
Engine oil
Refer to engine operator manual
Brake fluid
Master cylinder DOT 3,
ESA-M6C25–A
or
WSS-M6C62–A— Motorcraft High
Performance
DOT 3 Motor
Vehicle Brake
Fluid, PM-1 or
PM-1–C
REFILL CAPACITIES
Rear axle
Axle codeWeight
capacity - lb.
(kg)DescriptionFluid capacity
- pints
(liters)1,2
S135–S 13500 (6123) Single rear axle,
single reduction24.5 (11.6)
4S150–S 15500 (7031) Single rear axle,
single reduction24.5 (11.6)
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Supplement
USA(fus)
Maintenance and Specifications
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Page 224 of 273

Axle codeWeight
capacity - lb.
(kg)DescriptionFluid capacity
- pints
(liters)1,2
17060S 17500 (7938) Single rear axle,
single reduction28.0 (13.2)
19055T 17500 (7938) Single rear axle,
two-speed28.0 (13.2)
M190T 19000 (8618) Single rear axle,
two-speed35.0 (17.0)
19060S 19000 (8618) Single rear axle,
single reduction28.0 (13.2)
21060S 21000 (9525) Single rear axle,
single reduction28.0 (13.2)
21060D 21000 (9525) Single rear axle,
single reduction
with
driver-controlled
locking
differential28.0 (13.2)
M210T 21000 (9525) Single rear axle,
two-speed16.0 (33.0)
23090S 23000 (10432) Single rear axle,
single reduction39.0 (18.5)
23090D 23000 (10432) Single rear axle,
single reduction
with
driver-controlled
locking
differential39.0 (18.5)
23082T 23000 (10432) Single rear axle,
two-speed37.0 (17.5)
1Quantities listed are approximate. Fill axle until the lubricant level is at
the bottom of the filler hole, with the vehicle on level ground.
2If hubs are removed, add an additional 1.6 pints (0.75L) of axle
lubricant. Add lubricant through the axle vent.
2008 F-650/750(f67)
Supplement
USA(fus)
Maintenance and Specifications
223