2006 F-450/F-550


F-350-450-550 Powertrain/Chassis
POWERTRAIN
5.4L 3V Triton V-8
6.8L 3V Triton V-10
6.0L Power Stroke Diesel V-8
Engine Type V-8, iron block, aluminum heads
V-10, iron block, aluminum heads

V-8, iron block and heads

Bore/Stroke 3.55 x 4.16 in
3.55 x 4.16 in
3.74 x 4.13 in
Displacement 330 cu in, 5400 cc
415 cu in, 6802 cc

363 cu in, 5954 cc

Compression Ratio 9.8:1
9.2:1
18.0:1
Fuel Injection Sequential multi-port electronic
Sequential multi-port electronic
Electro-hydraulic with generation
2 fuel injection
Valvetrain SOHC, 3 valves per cylinder, variable cam timing
SOHC, 3 valves per cylinder
OHV, 4 valves per cylinder
Power 300 hp @ 5,000 rpm
362 hp @ 4,750 rpm
325 hp @ 3,300 rpm
Torque 365 lb-ft @ 3,750 rpm
457 lb-ft @ 3,250 rpm
570 lb-ft @ 2,000 rpm
Oil Capacity 7 qt 7 qt 15.0 qt
Coolant Capacity 26.4 qt
27.5 qt
28.5 qt
Transmission Type 6-speed manual overdrive (all)
5-speed TorqShift automatic overdrive (all)
 
Gear Ratios      
I
5.79:1
3.11:1
 
II
3.30:1
2.22:1
 
III
2.10:1
1.55:1
 
IV
1.30:1
1.00:1
 
V
1.00:1
0.71:1
 
VI
0.72:1
-
-
Available axle ratios   3.73:1, 4.10:1, 4.30:1 (4.88:1, 5.38:1 F-450/F-550 only  
 
SUSPENSION
 
5.4L Triton V-8
6.8L Triton V-10
Front  
4x2

Independent twin I-beam with coil springs, shock absorbers, stabilizer bar

Independent twin I-beam with coil springs (F-350)
or Twin-coil monobeam (F-450/F-550), both with shock absorbers and stabilizer bar

4x4

Twin-coil monobeam, shock absorbers, stabilizer bar

Twin-coil monobeam, shock absorbers, stabilizer bar
Rear    
4x2

Non independent live axle with leaf springs, staggered shock absorbers; stabilizer bar

Non independent live axle with leaf springs, staggered shock absorbers; stabilizer bar
4x4

Non independent live axle with leaf springs staggered shock absorbers; stabilizer bar ,

Non independent live axle with leaf springs, staggered shock absorbers; stabilizer bar
 
STEERING
Type
Power recirculating ball
Overall Ratio

20.16:1 (F-350 4x2), 20.38:1 (F-350 4x4) 17:8 average (F-450/550)

Turning circle, curb-to-curb
See Dimensions and Capacities, p. 22
 
BRAKES
Front
13.66-inch disc (F-350), 14.53-inch disc (F-450/F-550)
Rear
13.39-inch disc (F-350), 15.35-inch disc (F-450/F-550)
Assist type

Vacuum (F-350 single-rear-wheel gas engines) / hydro-boost (F-350 single-rear-wheel diesel engine,
F-350 dual-rear-wheel, F-450/F-550), ABS

 
WHEELS AND TIRES
Base wheel and tire
17-inch steel on F-350 dual-rear-wheel; 18-inch steel on F-350 single-rear-wheell, 19.5 steel (F-450/550)
Largest tires available
LT245/75RE (F-350 DRW), LT275/70R18E (F-350 SRW), LT225/70R19.5F (F-450/550)