D series gear motor is rated to 276 bar. Cast ductile iron, three-piece housing comes with electrohydraulic proportional relief valve. Ideal for hydraulic fan drives to maintain optimum engine and hydraulic system temperatures. Fan drives are up to 50% more efficient than direct or belt drives. High temperature seals and dust-resistant shaft seal improve performance in extreme temperatures and pressures and extend operating life. Compact design eases installation in tight places.