Bennett Trim Tabs Hydraulic Power Unit - 24V Pump. It employs two solenoid valves to direct the flow of fluid to the actuators. The solenoid valves lock tightly to secure the tabs in place. Strength to lower and hold even the largest tabs in place. Lexan cover protects electrohydraulic unit from occasional wash down and translucent reservoir allows fluid check at a glance. Installs easily with sturdy mounting bracket. Measures 4" x 7 1/2" x 5 1/2". Uses automatic transmission fluid. Includes pump solenoid valves reservoir and cover. Specifications for Bennett Trim Tabs V351HPU2 Hydraulic Power Unit: Manufacturer: Bennett Trim Tabs Voltage: 24 volts Color: Black Features of Bennett Trim Tabs V351HPU2 Hydraulic Power Unit Compact powerhouse that creates hydraulic pressure to lower and raise the trim tabs Employs two solenoid valves to direct the flow of fluid to the actuators Solenoid valves lock tightly to secure the tabs in place Lexan cover protects electrohydraulic unit from occasional wash down and translucent reservoir allows fluid check at a glance 24 Volt power Package Contents: Bennett Trim Tabs V351HPU2 Hydraulic Power Unit Bennett Trim Tabs V351HPU2: V351HPU2 Hydraulic Power Unit - 24V Pump