Specifications include, but are not limited to: Semi Tractor, 2018 or newer, 270,000 miles or less, Any Brand/Model. 1. Model Year: 2018 or newer 2. Mileage: Maximum 270,000 miles 3. Wheelbase: 167” minimum – 280” maximum 4. Drive Axels: Twin Screw with 3.25 to 3.50 rear gearing 12k steer axle, 40k rears. 5. Transmission: 10 Speed manual w/ hydraulic clutch 6. Motor: 435 min – 455 max horsepower 7. Wheels: Aluminum. 8. Tires: 295/75/22.5 low profile tires. 12/32 min steer depth and 20/32 drive depth. Must have at least 75% tread left or be replaced. 9. Brakes: Air Dec or slack adjustor/s-cam. Linings should be better than ¼ inch. Engine Brake 10. Interior: Standard gauges/cluster, Seating for 5 with 2 front air ride seats, sleeper converted to hold 3 observer seats, high back bucket, seatbelts mounted to floor. Tilt/telescoping steering wheel. Heated mirrors driver and passenger. Air conditioned.