Detroit DD15 Engine with 455 HP Detroit DT12 Direct Drive Transmission with 1750 LB/FT of Torque @900 RPM along with a 2.17 Gear Ratio to give you the best fuel economy with awesome trailer pulling power 10 Virgin Tires All Aluminum Wheels Parksmart APU 72” Raised Roof Sleeper Cab 227 Wheelbase – Saves weight and makes turning easier 12,500 Front with 40,000 Rears Wabco ABS System with Hill Start Aid and Traction Control Two 100 Gallon Fuel Tanks LED Lighting Package Webasco Air Top Heater Detroit Assurance Lane Departure Detroit Collision Warning with Active Brake Assist Virtual Technician Factory Fridge Brand New Mattresses