SUPER DUTY Specifications
| Chassis Specifications | |
| Front Suspension | |
| Type | Twin-I-Beam (F-250/F-350 4x2); solid Twin-Coil Monobeam axle (F-250/F-350 4x4; F-450 4x2/4x4) |
| Axle (rating @ ground) | 5250 lbs. (F-250/F-350 4x2); |
| 6000 lbs. (F-250/F-350 4x4); 7000 lbs. (F-450) | |
| Springs | Coil |
| Shock absorbers | 1-3/8" hydraulic gas-pressurized |
| Stabilizer bar | Standard |
| Rear Suspension | |
| Type | Solid axle |
| Axle (rating @ ground) | 6200 lbs. (F-250); 7280 lbs. (F-350 SRW); 9000 lbs. (F-350 DRW); 11000 lbs. (F-450) |
| Springs | Leaf |
| Shock absorbers | 1-3/8" hydraulic gas-pressurized |
| Stabilizer bar | Standard on DRW pickup; optional in package on SRW pickup |
| Steering | |
| Assist | Power |
| Overall Ratio | 20.16:1 (F-250/F-350 4x2); |
| 20.38:1 (F-250/F-350 4x4); | |
| 17.8:1 average (F-450) | |
| Brakes | |
| Type | Standard 4-wheel disc anti-lock |
| Front rotor diameter | 13.66" (F-250/F-350); 14.53" (F-450) |
| Rear rotor diameter | 13.39" (F-250/F-350); 15.35" (F-450) |
| Wheels | |
| Type | Steel (standard); chrome-clad steel or aluminum (optional) |
| Size | 17" (standard); |
| 18" or 20" (optional on F-250/F-350 SRW); 19.5" (F-450) | |
| Number of studs | 8 (F-250/F-350); 10 (F-450) |
| Bolt-circle diameter | 6.7" (170-mm) SRW; 7.87" (200-mm) F-350 DRW; 8.85" (225-mm) F-450 |