Detroit DD15 505 hp Engine • 2021 US EPA Label • 11486 Engine hrs • DT12-1750-OH 12-Speed Automated Transmission • 13560 lb Front Axle • 40000 lb Rears • 66760 lb GVWR • Engine Brake • Differential Lock • 68 in Mid Roof Sleeper Cab • 274 in Wheelbase • Air Suspension • Air Lift Pusher Axle • Aluminum Wheels • 285/75R24.5 • Wet Kit • PTO • Air Sliding 5th Wheel