Specifications

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Proven Twin I-Beam Front Suspension
Robust Twin-coil Monobeam Front Suspension
Wide-track Front Suspension
Leaf-spring Rear Suspension
PERFORMANCE/HANDLING
This page is about:
2009 F-250/F-350/F-450
Super Duty
®
Pickups
Performance/Handling
August 2008
F-250/F-350/F-450
SD Pickups
21
Suspensions
Front Suspensions
•Proven Twin I-Beam with coil springs front suspension
design is used on all F-250/F-350 4x2 Super Duty
®
pickups
– Twin I-Beam design combines the strength of a solid
I-Beam suspension with the flexibility and comfort of
a fully independent suspension
– Coil springs provide a smoother ride than leaf springs
without sacrificing load-carrying capacity
– Front bushings stiffer than previously
– Front stabilizer bars redesigned with new links for improved
ride and handling
– Front Gross Axle Weight Rating (GAWR) increased to
5250 lbs.
•Robust twin-coil monobeam front axle/suspension design is
used on all F-250/F-350 4x4 pickup models
– Twin-coil monobeam front suspension combined with the
steering system design provides tight turning diameters and
reduced parking effort. Loaded or unloaded cornering and
maneuverability are more precise
– Gives a smoother ride than a leaf-spring design
•6000-lb.maximumfrontGAWR(F-250/F-350)
Wide-track Front Suspension
•Wide-track twin-coil monobeam front suspension from
F-450 Chassis Cab is standard on all F-450 Pickups and
available on F-350 DRW Crew Cab 4x4 with 8.0-foot box
(67W)
– Twin-coil monobeam front suspension combined with the
steering system design provides tight turning diameters and
reduced parking effort. Loaded or unloaded cornering and
maneuverability are more precise
– Gives a smoother ride than a leaf-spring design
•Large35mmfrontstabilizerbar
•Large,squareaxletubesaredesignedtodeliverimproved
towing performance and capability
•7000-lb.maximumfrontGAWR
Leaf-spring Rear Suspension
•Providesthesamehighlevelsofcapabilitywith
increased refinement
•Leafspringsare8incheslongerthanpreviouslyandattach
farther forward on the frame
•Stifferbushingsandredesignedrearlinkage
•Staggeredrearshockabsorbershelpcontributetobetter
ride and confident handling, loaded or unloaded
•Contributestoconfidentfeelofthevehicle
•Reducespowerhopandbrakehop
•Keepstherearendlowertoaccommodatetowingtaller
gooseneck and fifth-wheel trailers
•Helpsreducefrontandrearbodyleanwhencornering
Leaf-spring Rear Suspension
Stabilizer
bar
Longer leaf springs
Staggered shocks
Twin-coil Monobeam Front Suspension
Radius arms
Coil springs
Monobeam axle