2008 Ford F-Series Super Duty Specifications
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F250/350/450 Powertrain/Chassis
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POWERTRAIN
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5.4L 3V Triton V-8
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6.8L Triton 3V V-10
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6.4L Power Stroke Diesel V-8
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Engine Type
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V-8, iron block, aluminum heads
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V-10, iron block, aluminum heads
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V-8, iron block and heads
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Bore/Stroke
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3.55 x 4.16 in
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3.55 x 4.16 in
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3.86 x 4.13 in
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Displacement
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330 cu in, 5400 cc
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415 cu in, 6802 cc
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390.5 cu in, 6400 c c
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Compression Ratio
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9.8:1
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9.2:1
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17.2:1
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Fuel Injection
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Sequential multi-port electronic
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Sequential multi-port electronic
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High-pressure common rail
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Valvetrain
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SOHC, 3 valves per cylinder, variable cam timing
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SOHC, 3 valves per cylinder
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SOHC, 4 valves per cylinder
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Power
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300 hp @ 5,000 rpm
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362 hp @ 4,750 rpm
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350 hp @ 3,000 rpm
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Torque
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365 lb-ft @ 3,750 rpm
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457 lb-ft @ 3,250 rpm
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650 lb-ft @ 2,000 rpm
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Oil Capacity
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7 qt
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7 qt
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15 qt
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Coolant Capacity
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26.4 qt
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27.5 qt
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17.9 qt (engine only)
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Transmission Type
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6-speed manual overdrive (all)
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5-speed TorqShift automatic overdrive (all)
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Gear Ratios
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I
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5.79:1
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3.11:1
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II
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3.30:1
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2.22:1
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III
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2.10:1
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1.55:1
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IV
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1.30:1
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1.00:1
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V
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1.00:1
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0.71:1
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VI
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0.72:1
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–
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–
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Available axle ratios
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3.73:1, 4.10:1, 4.30:1 (F-250/350)
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4.30:1, 4.88:1 (F-450)
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SUSPENSION
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Front
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4×2
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Independent twin I-beam (Narrow Front Track) with coil springs, shock absorbers, stabilizer bar (F-250/350)
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Mono Beam (Wide Front Track) with coil springs, shock absorbers, stabilizer bar (F-450)
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4×4
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Twin coil mono beam (Narrow Front Track), shock absorbers, stabilizer bar (F-250/350)
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Mono Beam (Wide Front Track) with coil springs, shock absorbers, stabilizer bar (F-450)
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Rear
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4×2
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Stabilizer bar with non independent live axle with leaf springs, staggered shock absorbers; stabilizer bar on DRW models, camper package and stabilizer bar package on SRW
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4×4
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Stabilizer bar with non independent live axle with leaf springs, staggered shock absorbers; stabilizer bar on DRW models, camper package and stabilizer bar package on SR
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BRAKES
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Front
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13.66-inch disc
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Rear
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13.39-inch disc
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Assist type
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Vacuum (F-250/F-350 single-rear-wheel gas engines) / hydro-boost (F-250/F-350 single-rear-wheel diesel engine, F-350 dual-rear-wheel), ABS
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WHEELS AND TIRES
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Base wheel and tire
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17-inch steel on F-350 dual-rear-wheel; 17 & 18-inch steel on F-250/350 single-rear-wheel, 19.5-inch. on F-450
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Largest tires available
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20-inch aluminum wheel, LT275/65R20E
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F250/350/450 Dimensions and Capacities
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Regular Cab
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SuperCab
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Crew Cab
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8-ft
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6.75-ft
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8-ft
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6.75-ft
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8-ft
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4×2
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4×4
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4×2
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4×4
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4×2
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4×4
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4×2
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4×4
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4×2
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4×4
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EXTERIOR
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Wheelbase
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137.0
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137.0
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141.8
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141.8
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158.0
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158.0
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156.2
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156.2
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172.4
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172.4
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Overall length
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227.0
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227.0
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231.8
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231.8
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248.0
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248.0
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246.2
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246.2
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262.4
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262.4
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Overall width
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79.9
(95.5 for DRW)
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79.9
(95.5 for DRW)
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79.9
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79.9
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79.9
(95.5 for DRW)
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79.9
(95.5 for DRW)
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79.9
(95.5 for DRW)
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79.9
(95.5 for DRW)
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79.9
(95.5 for DRW)
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79.9
(95.5 for DRW)
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Cargo box length @ Floor
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98.0
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98.0
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81.8
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81.8
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98.0
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98.0
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81.8
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81.8
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98.0
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98.0
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Cargo Width between wheelhouse
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50.9
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50.9
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50.9
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50.9
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50.9
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50.9
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50.9
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50.9
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50.9
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50.9
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Inside Box Height
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20.1
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20.1
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20.1
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20.1
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20.1
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20.1
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20.1
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20.1
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20.1
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20.1
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INTERIOR
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Seating capacity
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2/3
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2/3
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5/6
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5/6
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5/6
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5/6
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5/6
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5/6
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5/6
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5/6
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Headroom
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Front
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41.4
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41.4
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41.4
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41.4
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41.4
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41.4
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41.4
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41.4
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41.4
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41.4
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Rear
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–
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–
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38.4
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38.4
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38.4
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38.4
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41.4
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41.4
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41.4
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41.4
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Legroom
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Front
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41
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41
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41
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41
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41
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41
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41
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41
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41
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41
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Rear
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–
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–
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31.8
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31.8
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31.8
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31.8
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41.8
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41.8
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41.8
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41.8
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Hiproom
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Front
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67.6
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67.6
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67.6
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67.6
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67.6
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67.6
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67.6
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67.6
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67.6
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67.6
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Rear
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–
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–
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67.3
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67.3
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67.3
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67.3
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67.3
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67.3
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67.3
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67.3
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Shoulder room
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Front
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68
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68
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68
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68
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68
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68
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68
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68
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68
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68
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Rear
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–
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–
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68.1
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68.1
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68.1
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68.1
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68
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68
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68
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68
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Fuel capacity (gal)
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30.5 gallons with 141.8, 156.2 wheelbase, 38.0 gallons with 137, 158 and 172.4 wheelbase
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Turning diameter, curb-to-curb (ft)
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47.7
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46.1
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49.1
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47.5
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54.1
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52.36
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53.5
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51.8
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58.5
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56.5
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All Dimensions are in inches unless otherwise noted.
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F250/350/450 Weight and Towing
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Cab
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Regular Cab
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SuperCab
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Crew Cab
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Cargo Box
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8ft
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6.75ft
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8ft
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6.75ft
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8ft
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Drive
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4×2
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4×4
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4×2
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4×4
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4×2
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4×4
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4×2
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4×4
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4×2
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4×4
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Base curb weight
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F250 SRW
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5633
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6092
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5887
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6346
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5991
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6458
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6051
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6523
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6152
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6618
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F350 SRW
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5735
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6194
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5989
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6448
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6093
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6560
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6153
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6625
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6254
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6720
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F350 DRW
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6083
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6542
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–
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–
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6441
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6908
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6625
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7128
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6742
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7227
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F450 DRW
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–
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–
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–
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–
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–
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–
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–
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–
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8290
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8687
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Max payload capacity 1
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F250 SRW
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3150
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2890
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3110
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2840
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3210
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2910
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3160
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2850
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3240
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2950
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F350 SRW
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4350
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4280
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4210
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4130
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4310
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4200
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4260
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4150
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4340
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4250
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F350 DRW
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5700
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5430
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–
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–
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5760
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5450
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5700
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5400
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5790
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5300
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F450 DRW
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–
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–
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–
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–
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–
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–
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–
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–
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6120
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5720
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Max GVWR
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F250 SRW
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9400
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9600
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9600
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9800
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9800
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10,000
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9800
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10,000
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10,000
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10,000
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F350 SRW
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10,700
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11,100
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10,800
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11,200
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11,000
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11,400
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11,000
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11,400
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11,200
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11,500
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F350 DRW
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12,400
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12,600
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–
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–
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12,800
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13000
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12,800
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13,000
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13,000
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13,000
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F450 DRW
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–
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–
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–
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–
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–
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–
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–
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–
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14500
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14500
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Maximum
GCWR
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5.4L, 3.73:1 axle
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16,000
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5.4L, 4.10:1 axle
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18,500
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6.8L, 4.10:1 axle
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21,500
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6.8L, 4.30:1 axle
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23,000
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6.4L diesel, 3.73:1 axle
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23,500
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6.4L diesel, 4.10:1 axle
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23,500
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6.4L diesel, 4.30:1 axle
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26,000
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6.4L diesel, 4.88:1 axle
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33000
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Max. Towing 1
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F-250/F-350 SRW
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F-350 DRW
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F-450 DRW
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Conventional-Weight carrying
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5000(2268)
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6000(2722)
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6000
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Conventional-Weight distributing
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12,500(5670)
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15,000(6804)
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16000
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5th Wheel/Goose Neck
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16900*
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18800
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24500
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*F-350 SRW only
1Propperly Equipped |
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F-350-450-550 Powertrain/Chassis
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POWERTRAIN
|
5.4L 3V Triton V-8
|
6.8L 3V Triton V-10
|
6.4L 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
|
3.86 x 4.13 in
|
|
Displacement
|
330 cu in, 5400 cc
|
415 cu in, 6802 cc
|
390.5 cu in, 6400 cc
|
|
Compression Ratio
|
9.8:1
|
9.2:1
|
17.2:1
|
|
Fuel Injection
|
Sequential multi-port electronic
|
Sequential multi-port electronic
|
High-pressure common rail
|
|
Valvetrain
|
SOHC, 3 valves per cylinder, variable cam timing
|
SOHC, 3 valves per cylinder
|
SOHC, 4 valves per cylinder
|
|
Power
|
300 hp @ 5,000 rpm
|
362 hp @ 4,750 rpm
|
350 hp @ 3,000 rpm
|
|
Torque
|
365 lb-ft @ 3,750 rpm
|
457 lb-ft @ 3,250 rpm
|
650 lb-ft @ 2,000 rpm
|
|
Oil Capacity
|
7 qt
|
7 qt
|
15 qt
|
|
Coolant Capacity
|
26.4 qt
|
27.5 qt
|
17.9 qt (engine only)
|
|
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 (F-350); 4.30:1, 4.88:1, 5.38:1 (F-450/F-550)
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| |
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SUSPENSION
|
|
Front
|
|
|
4×2
|
Independent twin I-beam (Narrow Front Track) with coil springs (F-350)
or Twin-coil mono beam (Wide Front Track) (F-450/F-550), both with shock absorbers and stabilizer bar
|
|
4×4
|
Twin-coil mono beam (Narrow Front Track), or Twin-coil mono beam (Wide Front Track) (F-450/F-550), both with shock absorbers, stabilizer bar
|
|
Rear
|
|
|
4×2
|
Non independent live axle with leaf springs, staggered shock absorbers; stabilizer bar
|
|
4×4
|
Non independent live axle with leaf springs, staggered shock absorbers; stabilizer bar
|
|
|
| |
|
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-wheel, 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)
|
|
| |
| |
|
|
|
F350/F450/F550 Dimensions and Capacities
|
|
|
|
|
|
Regular Cab
|
|
SuperCab
|
|
Crew Cab
|
| |
|
EXTERIOR
|
|
Wheelbase /
Back-of-cab-to-axle
|
|
140.8/60
|
164.8/84
|
188.8/108
|
200.8/120
|
|
161.8/60
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176.2/60
|
200.2/84
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|
Overall length
|
|
226.0
|
250.0
|
274.0
|
286.0
|
|
247.0
|
|
261.4
|
285.4
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| |
|
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INTERIOR
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Seating capacity
|
|
2/3
|
2/3
|
2/3
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2/3
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5/6
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5/6
|
5/6
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Headroom
|
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|
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Front
|
|
41.4
|
41.4
|
41.4
|
41.4
|
|
41.4
|
|
41.4
|
41.4
|
|
Rear
|
|
–
|
–
|
–
|
–
|
|
38.4
|
|
41.4
|
41.4
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Legroom
|
|
|
|
|
|
|
|
|
|
|
|
Front
|
|
41.0
|
41.0
|
41.0
|
41.0
|
|
41.0
|
|
41.0
|
41.0
|
|
Rear
|
|
–
|
–
|
–
|
–
|
|
31.8
|
|
41.8
|
41.8
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Hip room
|
|
|
|
|
|
|
|
|
|
|
|
Front
|
|
67.6
|
67.6
|
67.6
|
67.6
|
|
67.6
|
|
67.6
|
67.6
|
|
Rear
|
|
–
|
–
|
–
|
–
|
|
67.3
|
|
67.3
|
67.3
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Shoulder room
|
|
|
|
|
|
|
|
|
|
|
|
Front
|
|
68.0
|
68.0
|
68.0
|
68.0
|
|
68.0
|
|
68.0
|
68.0
|
|
Rear
|
|
–
|
–
|
–
|
–
|
|
68.1
|
|
68.0
|
68.0
|
|
|
|
|
|
Fuel capacity
|
|
40-gal tank standard; auxilliary 19-gallon tank optional
|
|
Turning circle, curb-to-curb (F-440/500) (ft)
|
|
42.3
|
48.6
|
54.8
|
57.9
|
|
47.8
|
|
51.5
|
|
|
|
| |
|
WEIGHTS (pounds)
|
|
GVWR’s available
|
10,000-11,500(F-350 SRW), -13,000 (F-350 DRW) 16,000 (F-450), 17,950, 19,000 (F-550)
|
|
Max. GCWR’s available
|
23,000 (F350 SRW), 23500 (F-350 DRW), 30,000 (F-450), 33,000 (F- 450/550)
|
|
Max towing capacity, properly equipped
|
15700 (F-350 SRW), 16,000 (F-350 DRW), 21600 (F-450), 24,600 (F-550)
|
|
|
|
All Dimensions are in inches unless otherwise noted.
|
|
|
|
|
|
