2013 Volvo VNL D-16 Volvo engine with 300,000 miles Automatic Transmission -two pedal automated manual with overdrive 3.42 Gear Ratio Wheelbase: 310 Steel-budd Wheels Air-ride suspension Quad axle with two lifters - 13,000 llb. weight limit Tires and brakes are at 50% Replace flywheel with updated one piece flywheel and got new fuel injectors.