The Ford F-550 features a 6.9-liter V-10 engine on the XL and XLT models or a 6.7-liter V8 turbocharged diesel engine on the Lariat. A five-speed automatic transmission comes with the V-10, and a six-speed automatic transmission comes standard on the diesel models.
The V-10 generates 362 horsepower at 4,750 revolutions per minute and 457 foot-pounds of torque at 3,250 rpm. The turbo diesel produces 300 horsepower at 2,800 revolutions per minute and 660 foot-pounds of torque at 1,600 rpm. Some F-550 trucks come with 4x2-wheel drive and some with 4x4-wheel drive.
The gasoline tank holds 40 gallons, and the dual diesel fuel tanks holds 68 gallons. Anti-lock, ventilated disc brakes are standard on all models. Stabilizer bars, leaf springs, and gas shock absorbers are also standard on all models.
Front headroom on all models is 40.7 inches, shoulder room is 68 inches, hip room is 67.6 inches, and legroom is 41.1 inches.
The Regular Cab wheelbase is 200.8 inches, and the Crew Cab wheelbase is 200.2 inches. Maximum payload for the 4x2 models is 12,300 pounds, and for the 4x4 models it is 11,973 pounds. Maximum gross vehicle weights for the various models range from 17,500 to 19,500 pounds. Unloaded weights range from 6,555 to 8,623 pounds.