2006 INTERNATIONAL Model 8600 Conventional, 40 Inch Sleeper, Cummins ISM Engine, 425 H.P., Engine Brake, FRO-15210C Transmission, 40,000 Lb. Rear Ends, Full Screw, 3.58 Ratio, Air Ride Suspension With Dump Valve, Hydraulic Power Steering, Air Conditioned, Chrome Bumper, Dual Aluminum Fuel Tanks, Single Chrome Stack, Roof Air Fairing, Cab Extenders, Quarter Fenders, Air Ride Cab, Deluxe Interior, AM/FM Radio, Cassette, Tilt And Telescoping Steering Wheel, Cruise Control, Heated Mirrors, Power Right Hand Window, Engine Block Heater, Deck Plate, Air Slide 5th, 234 Inch Wheel Base, 22.5 Low Profile Tires, Aluminum Disc Wheels. ARG