Page 17 of 64
F-350 SuperCab Dual Rear Wheel Pickup
Engine Rear axle
ratioMaximum GCWR -
kg (lbs.)Maximum
trailer weight -
kg (lbs.)
4x2 with fifth wheel
6.0L All 9072 (20000) 5895 (13000)
4x4 with fifth wheel
6.0L All 9072 (20000) 5714 (12600)
F-350 Crew Cab Single Rear Wheel Pickup
Engine Rear axle
ratioMaximum GCWR -
kg (lbs.)Maximum
trailer weight -
kg (lbs.)
Vehicles without fifth wheel
6.0L All 9072 (20000) 5670 (12500)
4x2 with manual transmission and fifth wheel
6.0L All 9072 (20000) 5850 (12900)
4x2 with automatic transmission and fifth wheel
6.0L All 9072 (20000) 5941 (13100)
4x4 with fifth wheel
6.0L All 9072 (20000) 5759 (12700)
F-350 Crew Cab Dual Rear Wheel Pickup
Engine Rear axle
ratioMaximum GCWR -
kg (lbs.)Maximum
trailer weight -
kg (lbs.)
4x2
6.0L All 9072 (20000) 5804 (12800)
4x4
6.0L All 9072 (20000) 5625 (12400)
Driving
17
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F-350 Regular Chassis Cab Single Rear Wheel
(Fifth Wheel Towing)
Engine Rear axle
ratioMaximum GCWR -
kg (lbs.)Maximum
trailer weight -
kg (lbs.)
4x2
6.0L All 9072 (20000) 5942 (13100)
4x4
6.0L All 9072 (20000) 5761 (12700)
F-350 Regular Chassis Cab Dual Rear Wheel
(Fifth Wheel Towing)
Engine Rear axle
ratioMaximum GCWR -
kg (lbs.)Maximum
trailer weight -
kg (lbs.)
4x2
6.0L All 9072 (20000) 5759 (12700)
4x4
6.0L All 9072 (20000) 5532 (12200)
F-350 SuperCab Chassis Cab Single Rear Wheel
(Fifth Wheel Towing)
Engine Rear axle
ratioMaximum GCWR -
kg (lbs.)Maximum
trailer weight -
kg (lbs.)
4x2 with manual transmission
6.0L All 9072 (20000) 5759 (12700)
4x2 with automatic transmission
6.0L All 9072 (20000) 5804 (12800)
4x4
6.0L All 9072 (20000) 5579 (12300)
Driving
18
Page 19 of 64

F-350 SuperCab Chassis Cab Dual Rear Wheel
(Fifth Wheel Towing)
Engine Rear axle
ratioMaximum GCWR -
kg (lbs.)Maximum
trailer weight -
kg (lbs.)
4x2 with manual transmission
6.0L All 9072 (20000) 5623 (12400)
4x2 with automatic transmission
6.0L All 9072 (20000) 5668 (12500)
4x4 with manual transmission
6.0L All 9072 (20000) 5442 (12000)
4x4 with automatic transmission
6.0L All 9072 (20000) 5487 (12100)
F-350 Crew Cab Chassis Cab Single Rear Wheel
(Fifth Wheel Towing)
Engine Rear axle
ratioMaximum GCWR -
kg (lbs.)Maximum
trailer weight -
kg (lbs.)
4x2 with manual transmission
6.0L All 9072 (20000) 5668 (12500)
4x2 with automatic transmission
6.0L All 9072 (20000) 5715 (12600)
4x4 with manual transmission
6.0L All 9072 (20000) 5488 (12100)
4x4 with automatic transmission
6.0L All 9072 (20000) 5534 (12200)
F-350 Crew Cab Chassis Cab Dual Rear Wheel
(Fifth Wheel Towing)
Engine Rear axle
ratioMaximum GCWR -
kg (lbs.)Maximum
trailer weight -
kg (lbs.)
4x2 with manual transmission
6.0L All 9072 (20000) 5534 (12200)
Driving
19
Page 20 of 64

F-350 Crew Cab Chassis Cab Dual Rear Wheel
(Fifth Wheel Towing)
Engine Rear axle
ratioMaximum GCWR -
kg (lbs.)Maximum
trailer weight -
kg (lbs.)
4x2 with automatic transmission
6.0L All 9072 (20000) 5579 (12300)
4x4 with manual transmission
6.0L All 9072 (20000) 5306 (11700)
4x4 with automatic transmission
6.0L All 9072 (20000) 5352 (11800)
F-450
Engine Rear axle
ratioMaximum GCWR -
kg (lbs.)Maximum
trailer weight -
kg (lbs.)
Regular Chassis Cab 4x2 with manual transmission
6.0L All 11793 (26000) 8163 (18000)
Regular Chassis Cab 4x2 with automatic transmission
6.0L All 11793 (26000) 8210 (18100)
Regular Chassis Cab 4x4 with manual transmission
6.0L All 11793 (26000) 8027 (17700)
Regular Chassis Cab 4x4 with automatic transmission
6.0L All 11793 (26000) 8074 (17800)
SuperCab Chassis Cab 4x2
6.0L All 11793 (26000) 8029 (17700)
SuperCab Chassis Cab 4x4
6.0L All 11793 (26000) 7847 (17300)
Crew Cab Chassis Cab 4x2
6.0L All 11793 (26000) 7938 (17500)
Crew Cab Chassis Cab 4x4
6.0L All 11793 (26000) 7802 (17200)
Driving
20
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F-550
Engine Rear axle
ratioMaximum GCWR -
kg (lbs.)Maximum
trailer weight -
kg (lbs.)
Regular Chassis Cab 4x2
6.0L All 11793 (26000) 8165 (18000)
Regular Chassis Cab 4x4 with manual transmission
6.0L All 11793 (26000) 7981 (17600)
Regular Chassis Cab 4x4 with automatic transmission
6.0L All 11793 (26000) 8029 (17700)
SuperCab Chassis Cab 4x2
6.0L All 11793 (26000) 8029 (17700)
SuperCab Chassis Cab 4x4
6.0L All 11793 (26000) 7802 (17200)
Crew Cab Chassis Cab 4x2 with manual transmission
6.0L All 11793 (26000) 7893 (17400)
Crew Cab Chassis Cab 4x2 with automatic transmission
6.0L 4.88 11793 (26000) 7891 (17400)
6.0L (with
high
capacity
trailer tow
package)4.88 13608 (30000) 9705 (21400)
Crew Cab Chassis Cab 4x4 with manual transmission
6.0L All 11793 (26000) 7709 (17000)
Crew Cab Chassis Cab 4x4 with automatic transmission
6.0L All 11793 (26000) 7756 (17100)
Driving
21
Page 22 of 64
ENGINE
Engines are more efficient when they are clean because grease and dirt
buildup keep the engine warmer than normal. When washing:
•Take care when using a power washer to clean the engine. The
high-pressure fluid could penetrate the sealed parts and cause
damage.
•Do not spray a hot engine with cold water to avoid cracking the
engine block or other engine components.
•Spray Motorcraft Engine Shampoo and Degreaser (ZC-20) on all parts
that require cleaning and pressure rinse clean.
•Never wash or rinse the engine while it is running; water in the
running engine may cause internal damage.
•Cover the highlighted areas to prevent water damage when cleaning
the engine.
•F–Super Duty/Excursion 6.0L Diesel engine
Cleaning
Cleaning
22
Page 23 of 64
IDENTIFYING COMPONENTS IN THE ENGINE COMPARTMENT
F-SuperDuty/Excursion
1. Battery (dual batteries shown)
2. Air filter assembly
3. Power steering fluid reservoir
4. Clutch fluid reservoir (if equipped)
5. Brake fluid reservoir
6. Engine coolant reservoir
7. Engine oil dipstick
8. Engine-mounted fuel filter assembly
9. Engine oil filter
10. Engine oil filler
Maintenance and specifications
Maintenance and specifications
23
Page 24 of 64

11. Automatic transmission dipstick (if equipped)
The Horizontal Fuel Conditioner Module (HFCM) located on the
frame-rail under the driver-side floorboard near the transmission.
SCHEDULED MAINTENANCE
The scheduled maintenance services in theGeneral Owner’s
Informationsection of this supplement are required because they are
considered essential to the life and performance of your vehicle.
Use only recommended fuel, lubricants, fluids and service parts
conforming to Ford specifications. Motorcraft parts are designed and
built for best performance in your vehicle.
FUEL REQUIREMENTS
The engine is designed to use low sulfur number 1–Dor2–D Diesel fuel
only. At temperatures below -7°C (20°F), number 1–D or winter blend
number 2–D fuel is recommended. (SeeCold weather operationin the
Drivingchapter.)
Do not use fuel intended for agricultural use (agricultural fuel is
dyed red), home heating oil or any Diesel fuel not intended for
highway use. Damage to the fuel injection system, engine and
exhaust catalyst can occur if an improper fuel is used.
Do not add gasoline, gasohol or alcohol to Diesel fuel. This
practice creates a serious fire hazard and engine performance
problems.
It should not be necessary to add any aftermarket additives to your fuel
tank if you use a properly formulated Diesel fuel that meets the ASTM D
975 industry specification. Aftermarket additives can damage the injector
system or engine.
Maintenance and specifications
24