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