the loader bucket 24 pivotally attaches about a horizontal loader bucket pivot 32 a loader boom actuator having a loader boom hydraulic cylinder 36 extending between the vehicle frame 12 and the loader boom 22 controllably moves the loader boom 22 about the loader boom pivot 28 a loader bucket actuator 38 having a loader bucket hydraulic cylinder 40 extending between the loader boom 22 and the loader bucket 24 controllably moves the loader bucket 24 about the loader bucket pivot 32 in the illustrated embodiment the loader bucket actuator 38 comprises a loader bucket electro hydraulic circuit 42 hydraulically coupled to the loader bucket hydraulic cylinder 40 the loader bucket electro hydraulic circuit 42 supplies and controls the flow of hydraulic fluid to the loader bucket hydraulic cylinder 40 the operator commands movement of the loader assembly 16 by manipulating a loader bucket command input device 44 and a loader boom command input device 46 the loader bucket command input device 44 is adapted to generate a loader bucket command signal 48 in response to manipulation by the operator proportional to a desired loader bucket movement a controller 50 in communication with the loader bucket command input device 44 and loader bucket actuator 38 receives the loader bucket command signal 48 and responds by generating a loader bucket control signal 52 which is received by the loader bucket electro hydraulic circuit 42 the loader bucket electro hydraulic circuit 42 responds to the loader bucket control signal 52 by directing hydraulic fluid to the loader bucket hydraulic cylinder 40 causing the hydraulic cylinder 40 to move the loader bucket 24 accordingly during a work operation with the loader bucket 24 such as.