Additional info To add a hydraulic trailer brake to a tractor equipped with mechanical brakes. To be adapted onto the original hydraulic circuit (compatible with open circuit.) The kit includes : - a brake valve open circuit 100 L/min -220 bar max. - an emitting piston (master cylinder) to be inserted into the brake linkage. - brake coupling ISO 567. - set of hoses and fittings. - mounting instruction. TRAILER BRAKING KIT FOR TRACTORS 40440014V3