Conventional Day Cab. 2015 Western Star Glider with 98 EPA Detroit 12.7 comes with 3yr 300k mile engine and transmission warranty!! 17,500lbs with 1/4 tank of fuel. Engine: Detroit Ser 60 12.7, Mileage: 000, Wheelbase: 253, Engine HP: 500, GVWR: 52000, Retarder: Engine Brake, Front Axle: 12000, Trans: Eaton-Fuller 10 Speed, Rear Axle: 40000, Trans Speed: 10 Speed, Rear Susp: Air Ride, 5th Wheel: Air, Ratio: 3.90.