Machine description: Cummins ISB 6.7,, Allison Automatic Transmission,, 12000 lb Front Axle,, 21000 lb Rear,, 33000.0 lb GVWR,, 295/75R22.5 Front Tires,, 275/70R22.5 Rear Tires,, Air Ride Suspension,, 242 in Wheel... more info about the 2015 Ford F750.