Machine description: Cummins 6 Cylinder 5.9 L Diesel 215 hp Engine, Manual Transmission, 11R22.5 Front Tires, 11R22.5 Rear Tires, Spring Suspension, 145 in Wheelbase, PTO, 10 ft Long x 1 ft 11 in High Steel Body, Manual R... more info about the 1975 Dodge 7500.