Volvo D13J500 6 Cylinder 12.8 L Diesel 500 hp Engine, 2014 US EPA Label, Engine Brake, Volvo ATO2612D 12-Speed Automatic Transmission, Differential Lock, 14600 lb Front Axle, 46000 lb Rears, Meritor RT-46-160 Drive Axles, 3.73:1 Axle Ratio, 60600 lb GVWR, Air Ride Cab, Aluminum Wheels, 11R24.5, Hendrickson Air Ride Suspension, 216 in Wheelbase, Air Sliding 5th Wheel, Headache Rack, Dual Fuel Tanks, Hour Meter Reads 7519