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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)3
Fuel tank (Dual)(Left side)
(Usable capacity)
65 gal (246 L)
(Liquid capacity)
47 gal (177.9 L) 3
Fuel tank (Dual)(Right side)
(Usable capacity)
50 gal (189.2 L)
(Liquid capacity)
47 gal (177.9 L) 3
Fuel tank (Small)
(Usable capacity)
50 gal (189.2 L)
(Liquid capacity)
53 gal (200.6 L) 3
Fuel tank (Medium)
(Usable capacity)
56 gal (211.9 L)
(Liquid capacity)
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Page 265 of 387

Capacity
Item
61 gal (230.9 L)3
Fuel tank (Large)
(Usable capacity)
65 gal (246 L)
(Liquid capacity)
Between MIN and MAX on brake fluid reservoir
Brake Fluid
16.3 qt (15.4 L)4
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)
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)
35 pt (16.6 L)4
Rear axle (21065T/P)(21k two speed)
5.2 qt (4.9 L)5
Power Steering (air brake equipped)
6.1 qt (5.8 L)5
Power Steering (hydraulic brake equipped)
Fill as required
Windshield washer fluid
26.5 oz (0.75 kg)
A/C refrigerant
3.5 fl oz (103 ml)
A/C refrigerant compressor oil
1 Use the coolant type originally equipped in your vehicle. Using any other coolant could
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 could vary during fluid changes.
5 Capacities could be higher if the vehicle has a cooler. Always check to make sure the
fluid level is in the acceptable range.
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Page 272 of 387

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)2
Fuel tank (Limited Series)
(Usable capacity)
62 gal (234.6 L)
(Liquid capacity)
47 gal (177.9 L) 2
Fuel tank (Small)
(Usable capacity)
50 gal (189.2 L)
(Liquid capacity)
59 gal (223.3 L) 2
Fuel tank (Large)
(Usable capacity)
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)
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)
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Capacity
Item
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
4.2 fl oz (124 ml)
A/C refrigerant compressor oil
1 Use the coolant type originally provided in your vehicle. Using any other coolant could
result in vehicle damage.
2 Do NOT fill above the 95% liquid capacity.
3 Approximate dry fill capacity. Actual amount could vary during fluid changes.
4 Capacities could be higher if the vehicle has a cooler. Always check to make sure the
fluid level is in the acceptable range.
Specifications
Materials Specification
Name
WSS-M2C945-B1
Recommended Motor oil (U.S. and Mexico):
Motorcraft® SAE 5W-20 Premium Synthetic Blend Motor
Oil
XO-5W20-QSP
WSS-M2C945-B1
Recommended Motor oil (Canada):
Motorcraft® SAE 5W-20 Super Premium Motor Oil
CXO-5W20-LSP12
WSS-M2C946-B1
Optional Motor oil (U.S. and Mexico):
Motorcraft® SAE 5W-30 Premium Synthetic Blend Motor
Oil
XO-5W30-QSP
WSS-M2C946-B1
Optional Motor oil (Canada):
Motorcraft® SAE 5W-30 Super Premium Motor Oil
CXO-5W30-LSP12
WSS-M97B57-A2
Engine coolant (U.S. and Mexico):
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F650750 (TBC) , enUSA, Edition date: 201804, Second-Printing Capacities and Specifications