Detroit DD15 6 Cylinder 14.8 L Diesel 455 hp Engine • US EPA Label • Air Conditioner • Cruise Control • Power Windows • Engine Brake • Detroit DT12-1750 HD 12-Speed Transmission • Differential Lock • 12350 lb Front Axle • 40000 lb Rears • Meritor MT-40-14X Drive Axles • 2.47:1 Axle Ratio • 52350 lb GVWR • Air Ride Cab • 60 in High Rise Sleeper Cab • Bunk Beds • Bunk Heater • Aluminum Wheels • 11R22.5 Front Tires • 11R22.5 Rear Tires • Airliner Air Ride Suspension • 227 in Wheelbase • Air Sliding 5th Wheel • Dual Fuel Tanks