GM Duromax 6.6 L Diesel 300 hp Engine, 2006 US EPA Label, CARB Compliant, Air Conditioner, Cruise Control, Allison 5-Speed Automatic Transmission, 8000 lb Front Axle, 11500 lb Rears, Dana Drive Axles, 19500 lb GVWR, 245/70R19.5 Front Tires, 245/70R19.5 Rear Tires, Spring Suspension, 158 in Wheelbase, 2006 Summit 12 ft 3 in Body, Hydraulic Stabilizers, 2006 Stellar 6620 3000 lb 2 Section Hydraulic Crane, Wireless Remote Control, Fuel Tank w/Pump