A hydraulic fluid system is provided for a work implement having a support plate, the work implement being provided on a machine having an auxiliary hydraulic fluid supply line and an auxiliary hydraulic fluid return line. The hydraulic fluid system includes a motor having an inlet port and an outlet port, and a mounting plate coupled to the support plate of the implement. The mounting plate further defines a supply conduit configured to fluidly communicate between the auxiliary hydraulic fluid supply line and the inlet port of the motor, and a return conduit fluidly communicating between the outlet port of the motor and the auxiliary hydraulic fluid return line. A kit and a method for retrofitting a hydraulic fluid system are also disclosed.