This unit is ready to hook-up and go! All towing equipment is in place including the air brake for air or air over hydraulic brakes, from the tow (RV)vehicle. The Roadmaster Shield is included for protection of the CRV. We have replaced our CRV with a new RAM 1500 because it is more inline with my Woodworking hobby. The CRV has been maintained with all recalls having been accomplished and we ch...