Chassis

Suspension

Front
4×2 Independent twin I-beam (narrow front track) with coil springs, shock absorbers, stabilizer bar (F-250/F-350)
4×4 Mono beam (narrow front track) with coil springs, shock absorbers, stabilizer bar (F-250/F-350)

Mono beam (wide front track) with coil springs, shock absorbers, stabilizer bar (F-450)

Rear
4×2 Live axle with leaf springs, staggered shock absorbers and stabilizer bar; stabilizer bar standard on DRW models and available with camper package SRW pickups
4×4 Live axle with leaf springs, staggered shock absorbers; stabilizer bar standard on DRW models and available with camper package and camper/snowplow combination package SRW pickups (snowplow package does not come with a rear stabilizer bar)
STEERING
Type Power-assist
Overall ratio 20.49:1 (F-250/F-350 4×2); 20.41:1 (F-250/F-350 4×4); 20.41:1 average (F-450)
BRAKES
Type Four-wheel vented disc, ABS (standard)
Front 14.29-in. discs
Rear 14.29-in. discs
Assist type Vacuum (F-250/F-350 SRW)/hydroboost (F-350 DRW/F-450)
WHEELS AND TIRES
Base wheel and tire Steel or aluminum; 17-in., 18-in. or 20-in. (F-250/F-350); 17-in. (F-350 DRW/F-450)
Largest wheel available LT275/65R20E All-Terrain OWL (outlined white letter)

 

Front Springs

Part Number Alt Part Number Spring Code Spring Weight
5C3Z-5310-AA 5C34-5310-AMD A 7000lbs
5C3Z-5310-BA 5C34-5310-ALD B 6500lbs
5C3Z-5310-CA F81A-5310-AHD C 6000lbs
5C3Z-5310-DA F81A-5310-AGD D 5600lbs
5C3Z-5310-EA F81A-5310-AFD T 5200lbs
5C3Z-5310-FA F81A-5310-AED V 4800lbs
5C3Z-5310-GA F81A-5310-ADD W 4400lbs
5C3Z-5310-HA F81A-5310-ACD X 4000lbs