BUSINESS CLASS M2 106, Medium Duty Trucks - Chipper Trucks, Cummins ISB, Automatic, NON CDL 20' Morgan Reefer Body with a Roll Rear Door. Reverse T Aluminum Floor. This unit is ready to accept a Thermo King Reefer Unit rated for your needs., 220 Horse Power, Air Ride Suspension, Wheels, 230 Wheel Base, 22.5, Single Axle, Ratio,