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2008 F-250/F-350/F-450
Super Duty
®
Pickups
F-250/F-350/F-450 SD PICKUPS
July 2007
F-250/F-350/F-450
SD Pickups
Steering
STEERING SPECIFICATIONS
Cab Style/
Drive
Series/
Body Style
Wheelbase
(in.)
Power Steering
(1)
Turning Diameter (ft.)
Gear Ratio Overall Ratio Curb-to-Curb Wall-to-Wall
Regular Cab 4x2 Pickup 137.0 SRW 17:1 20.35:1 47.7 49.6
137.0 DRW 17:1 20.35:1 47.7 49.6
Regular Cab 4x4 Pickup 137.0 SRW 17:1 19.77:1 46.1 48.0
137.0 DRW 17:1 19.77:1 46.1 48.0
SuperCab 4x2 Pickup 141.8 SRW 17:1 20.35:1 49.1 51.1
158.0 SRW 17:1 20.35:1 54.1 56.0
158.0 DRW 17:1 20.35:1 54.1 56.0
SuperCab 4x4 Pickup 141.8 SRW 17:1 19.77:1 47.5 49.4
158.0 SRW 17:1 19.77:1 52.3 54.2
158.0 DRW 17:1 19.77:1 52.3 54.2
Crew Cab 4x2 F-250/F-350 Pickup 156.2 SRW 17:1 20.35:1 53.5 55.5
156.2 DRW 17:1 20.35:1 53.6 55.5
172.4 SRW 17:1 20.35:1 58.5 60.4
172.4 DRW 17:1 20.35:1 58.5 60.4
F-450 Pickup 172.4 DRW 18:1 20.38:1 47.5 TBD
Crew Cab 4x4 F-250/F-350 Pickup 156.2 SRW 17:1 19.77:1 51.8 53.7
156.2 DRW 17:1 19.77:1 51.8 53.7
172.4 SRW 17:1 19.77:1 56.5 58.4
172.4 DRW 17:1 19.77:1 56.6 58.4
F-350 WT 172.4 DRW 18:1 19.77:1 50.4 52.5
F-450 Pickup 172.4 DRW 18:1 20.38:1 47.5 TBD
(1) Power steering fluid cooler is standard.
Suspensions
FRAME SPECIFICATIONS
Cab Style
Super Duty
Series/Model
Wheelbase
(in.)
No. of
Crossmembers
Maximum Side Rail
Section (Height x
Width x Thickness)
(in.)
(1)
(1) Measured to inside of metal.
Section
Modulus
(cu. in.)
(2)
(2) Cross-sectional modulus calculated at back of cab, to inside of metal.
Yield
Strength
(psi)
Regular Cab F-250/F-350 Pickup/Box Delete 137.0 5 6.87 x 2.36 x .264 6.7 36,000
SuperCab F-250/F-350 Pickup 141.8 6 6.87 x 2.36 x .264 6.7 36,000
F-250/F-350 Pickup/Box Delete 158.0 6 6.87 x 2.36 x .264 6.7 36,000
Crew Cab F-250/F-350 Pickup 156.2 7 6.87 x 2.36 x .264 6.7 36,000
F-250/F-350/F-450
Pickup/Box Delete
172.4 7 6.87 x 2.36 x .264 6.7 36,000
SHOCK ABSORBER SPECIFICATIONS
Super Duty
Model
Wheelbase
(in.) Usage
Front Rear
No.
Used
Piston Dia.
(in.) Type
No.
Used
Piston
Dia. (in.) Type
Pickup All Std. 2 1.38 Gas-Pressurized 2 1.38 Gas-Pressurized
Pickup All Opt.
(1)
(1) Included with FX4 Trim. Unique Rancho branded shock absorbers with white housing and red bellows.
2 1.38 Gas-Pressurized 2 1.38 Gas-Pressurized
Technical Specifications cont’d
08_F-250F-350 PU.fm Page 72 Wednesday, August 22, 2007 3:28 PM