Maxim Hydraulic Power Unit (12V DC, Double Acting): 1.3 GPM Flow, 1 Gallon(4 QT) Poly Tank @2500 PSI #6 SAE Port Size and Solenoid Operated With HPU Dimensions: 16.7" L x 7" W x 8" H Low relief: 1500 PSI; System relief: 2850 PSI; #6 SAE Ports 1.3 GPM; 2.1 cc/r Gear Pump 4-Way, 2-Position, 12 VDC Tank: 1 Gallon (4L) Horizontal Poly Remote cord is 3 Meters Long