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CAPACITIES AND SPECIFICATIONS - 6.7L DIESEL
Capacities
WARNING
The air conditioning refrigerant system contains refrigerant under high pressure.
Only qualified personnel should service the air conditioning refrigerant system.
Opening the air conditioning refrigerant system can cause personal injury.
Capacity
Item
15.0 qt (14.2 L)
Engine oil (with oil filter)
35.1 qt (33.2 L)1
Engine coolant (primary high-temperature
cooling system loop)
48 fl oz (1.41 L)2
Engine coolant additive (primary high-
temperature cooling system loop)
15.1 qt (14.3 L)1
Engine coolant (secondary cooling system)
16.0 fl oz (473 ml)2
Engine coolant additive (secondary cooling
system)
8 gal (30.2 L)
Diesel Exhaust Fluid (DEF)
61 gal (230.9 L)
Fuel tank (Dual)(Left side)
(Usable capacity)3
65 gal (246 L)
(Liquid capacity)
47 gal (177.9 L)
Fuel tank (Dual)(Right side)
(Usable capacity)3
50 gal (189.2 L)
(Liquid capacity)
47 gal (177.9 L)
Fuel tank (Small)
(Usable capacity)3
50 gal (189.2 L)
(Liquid capacity)
53 gal (200.6 L)
Fuel tank (Medium)
(Usable capacity)3
56 gal (211.9 L)
(Liquid capacity)
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Capacity
Item
26.5 oz (0.75 kg)
A/C refrigerant
5.1 fl oz (150 ml)6
A/C refrigerant compressor oil
1 Use the coolant type originally equipped in your vehicle. Using any other coolant may
result in vehicle damage.
2 Per addition if required.
3 Do NOT fill above the 95% liquid capacity.
4 Approximate dry fill capacity. Actual amount may vary during fluid changes.
5 Capacities may be higher if the vehicle is equipped with a cooler. Always check to make
sure the fluid level is in the acceptable range.
6 This system uses mineral-based refrigerant oil to lubricate O-rings and fittings.
Specifications
Materials Specification
Name
WSS-M2C171-F1*
Recommended motor oil (U.S.):
Motorcraft® SAE 10W-30 Super Duty Diesel Motor Oil
XO-10W30-QSD
WSS-M2C171-F1*
Recommended motor oil (Canada):
Motorcraft® SAE 10W-30 Super Duty Diesel Motor Oil
CXO-10W30-LSD12
WSS-M2C171-F1*
Recommended motor oil (U.S.):
Motorcraft® SAE 15W-40 Super Duty Diesel Motor Oil
XO-15W40-QSD
WSS-M2C171-F1*
Recommended motor oil (Canada):
Motorcraft® SAE 15W-40 Super Duty Diesel Motor Oil
CXO-15W40-LSD12
WSS-M2C171-F1*
Recommended motor oil (U.S.):
Motorcraft® SAE 5W-40 Full Synthetic Diesel Motor Oil
XO-5W40-5QSD
WSS-M2C171-F1*
Recommended motor oil (U.S.):
Motorcraft® SAE 0W-40 Full Synthetic Diesel Motor Oil
XO-0W40-DAS
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•
(1) For severe duty service, use SAE
5W-40, WSS-M2C171-F1. •
(2) For biodiesel fuel blends (B20
max), use SAE 5W-40 or SAE 15W-40,
WSS-M2C171-F1.
CAPACITIES AND SPECIFICATIONS - 6.8L
Capacities WARNING
The air conditioning refrigerant system contains refrigerant under high pressure.
Only qualified personnel should service the air conditioning refrigerant system.
Opening the air conditioning refrigerant system can cause personal injury.
Capacity
Item
7.0 qt (6.6 L)
Engine oil (with oil filter)
28.8 qt (27.3 L)1
Engine coolant
58 gal (219.5 L)
Fuel tank (Limited Series)
(Usable capacity)2
62 gal (234.6 L)
(Liquid capacity)
47 gal (177.9 L)
Fuel tank (Small)
(Usable capacity)2
50 gal (189.2 L)
(Liquid capacity)
59 gal (223.3 L)
Fuel tank (Large)
(Usable capacity)2
63 gal (238.4 L)
(Liquid capacity)
Between MIN and MAX on brake fluid reservoir
Brake fluid
17.4 qt (16.5 L)3
Automatic transmission fluid
6–7 fl oz (177 –207 ml)
Front axle wheel bearing oil (8500 lb axle)
12–13 fl oz (355– 385 ml)
Front axle wheel bearing oil (all except
8500 lb axle)
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Capacity
Item
19 pt (9.0 L)4
Rear axle (S-140)(13.5k, 17.5k, 19k single
speed)
37 pt (17.5 L)4
Rear axle (S-170)(23k single speed)
37 pt (17.5 L)4
Rear axle (S-190)(26k single speed)
28 pt (13.2 L)4
Rear axle (21060S)(21k single speed)
5.2 qt (4.9 L)4
Power Steering (air brake equipped)
6.1 qt (5.8 L)4
Power Steering (hydraulic brake equipped)
Fill as required
Windshield washer fluid
29.1 oz (0.825 kg)
A/C refrigerant
7.1 fl oz (210 ml)5
A/C refrigerant compressor oil
1 Use the coolant type originally equipped in your vehicle. Using any other coolant may
result in vehicle damage.
2 Do NOT fill above the 95% liquid capacity.
3 Approximate dry fill capacity. Actual amount may vary during fluid changes.
4 Capacities may be higher if the vehicle is equipped with a cooler. Always check to make
sure the fluid level is in the acceptable range.
5 This system uses mineral-based refrigerant oil to lubricate O-rings and fittings.
Specifications
Materials Specification
Name
WSS-M2C945-A
Recommended motor oil (U.S. and Mexico):
Motorcraft® SAE 5W-20 Premium Synthetic Blend Motor
Oil
XO-5W20-QSP
WSS-M2C945-A
Recommended motor oil (Canada):
Motorcraft® SAE 5W-20 Super Premium Motor Oil
CXO-5W20-LSP12
WSS-M2C946-A
Optional motor oil (U.S. and Mexico):
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