Detroit Series 60 6 Cylinder 12.7 L Diesel 430 hp Engine • 1999 US EPA Label • Engine Brake • 13-Speed Manual Transmission • 12349 lb Front Axle • 37478 lb Rears • Meritor R 3.730 Drive Axles • 49827 lb GVWR • Air Ride Cab • 70 in High Rise Sleeper Cab • Bunk Beds • 11R22.5 Front Tires • 285/75/24.5 Rear Tires • Air Ride Suspension • 236 in Wheelbase • Air Sliding 5th Wheel • Dual Fuel Tanks