Specifications include, but are not limited to: At a minimum, the Sleeper Cab Semi-Trucks must include all of the following components or component equivalents approved by ASUN. Vehicle Type Mid-Roof or Raised Roof Sleeper Cab Wheelbase 223”-250” Commercial Grade Class 8 Transmission Automated 10 speed manual or greater Model year 2015 or newer Engine Cummins X15 or Volvo D13 Engine Horsepower 425HP-450HP Torque Rating 1800-2100Ft/Lbs. Torque Suspension Air ride suspension with valve dump Fifth Wheel Slide and Dash control Mileage 600,000 miles or less Condition Great or Good Mirrors Motorized Brake System Air Braking Seats Air Ride Heater and Air Conditioning Yes, standard OE configuration Tires 22.5 Low Pros with a minimum of 50% tread depth with no recaps. Or approved equal. No super-singles Warranty 30 Days is acceptable, however not required