Cummins 6 Cylinder Diesel Engine, Air Conditioner, Cruise Control, Automatic Transmission, 10000 lb Front Axle, 18500 lb Rears, 25999 lb GVWR, Aluminum Wheels, 255/70R22.5, Air Ride Suspension, 183 in Wheelbase, PTO, STI 15 ft Body, Hydraulic Stabilizers, STI 6541 2 Section Hydraulic Crane, Wireless Remote Control, Wired Remote Control