GM Duramax V8 6.6 L Diesel 300 hp Engine, 2006 US EPA Label, Webasto Engine Coolant Heater, Air Conditioner, Power Windows, Exhaust Brake, Allison Automatic Transmission, Differential Lock, 8000 lb Front Axle, 13500 lb Rears, 17500 lb GVWR, 385/55R22.5, Spring Suspension, 169 in Wheelbase, 8 ft 8 in x 80 in Bed, aluminum fuel tank w/ 15 GOM pump, 5-wheel hitch

GM Duramax 6.6 L Ultra Low Sulfur Diesel Engine, Air Conditioner, Power Windows, Automatic Transmission, 7000 lb Front Axle, 13500 lb Rears, 26000 lb GVWR, 225/70R19.5 Front Tires, 225/70R19.5 Rear Tires, Spring Suspension, 152 in Wheelbase, Knapheide 6132D54SOJ Body, Manual Stabilizers, Venturo ET12KX 3500 lb 3 Section Electric Crane