Cummins ISX 485 15 L Diesel 485 hp Engine • 2008 US EPA Label • Engine Brake • 18-Speed Automatic Transmission • Double Differential Locks • 12350 lb Front Axle • 40000 lb Rears • Air Ride Cab • 56 in High Rise Sleeper Cab • Bunk Beds • Aluminum Wheels • 11R22.5 Front Tires • 11R22.5 Rear Tires • Air Ride Suspension • 230 in Wheelbase • Air Sliding 5th Wheel • Dual Fuel Tanks