Paccar MX-13 12.9 L Ultra Low Sulfur Diesel 260 hp Engine, Air Conditioner, Cruise Control, Power Windows, Allison Automatic Transmission, Aluminum Wheels, 445/65R22.5 Front Tires, 455/55R22.5 Super Singles Rear Tires, Central Tire Inflation System, Air Lift Pusher Axle, Steerable Air Lift Pusher Axle, Air Lift Tag Axle, Dual Steering Boxes, Double Frame, Hendrickson Haulmaax Rubber Suspension, 236 in Wheelbase, PTO, Con-Tech Mixer Unit