Cummins 6 Cylinder 8.3 L Diesel 237 hp Engine, 1990 US EPA Label, 2275.1 Engine hrs, Allison 5-Speed Automatic Transmission, 10500 lb Front Axle, 12000 lb Rears, 16.00R20, Central Tire Inflation System, Spring Suspension, 180 in Wheelbase, PTO, 14 ft x 92 in Bed, Winch, Pintle Hitch, Air Shift 2 Speed Transfer Case, Diesel Cabin Heater, LED Inferred Mode Conversion, Wiring For EMP Proofing