MX13 (515 HP), Engine Brake, Eaton Fuller RTLO-18913A 13-Speed Manual Transmission, Dana Spicer DSH40 40,000# Dual Drive Rear Axles (3.70 Ratio), Low Air Leaf Suspension, Approx. 249" Wheelbase, Dana Spicer E1324 Steer Axle, Watson Chalin 13,200# SL1190SSR Lift Axle with Aluminum Fenders, 275/80R22.5 Tires on All Aluminum wheels, 110-Gallon Aluminum Fuel Tank Under Driver's Door With Steps, Aluminum Fenders Over Drive Tires, Chrome Front Bumper, Pintle Hitch, Steel Frame Rails, Steel DOT Rear Bumper, Single RH Upright Exhaust, Cruise Control, Power Locks & Windows, Air Conditioning, CB Radio......693,592 Total Miles (CECU replaced @ 460,542 Miles)