Mercedes-Benz OM460LA 6 Cylinder 781 cid Diesel 450 hp Engine, 2006 US EPA Label, Positive Air Shutoff, Engine Brake, Eaton Fuller 18-Speed Manual Transmission, Differential Lock, 4.30:1 Axle Ratio, Air Ride Cab, Aluminum Outer Wheels, 425/65R22.5 Front Tires, 11R22.5 Rear Tires, Dual Steering Boxes, TufTrac Spring Suspension, 266 in Wheelbase, PTO, Double Frame, 2000 Interpipe Equipment Steel Tank, 9 Reels