2006 FREIGHTLINER C120 Century Class Conventional, 48 Inch Mid-Roof Sleeper, Caterpillar C13 Engine, 430 H.P., Engine Brake, 10 Speed Transmission, (Manual), 40,000 Lb. Rear Ends, 2.64 Ratio, Air Ride Suspension, Hydraulic Power Steering, Air Conditioned, Dual Aluminum Fuel Tanks, Single Stack, Quarter Fenders, Tilt And Telescoping Steering Wheel, Power Windows, Air Slide 5th, 228 Inch Wheel Base, 22.5 Low Profile Tires, Aluminum Disc Wheels.