Hydraulic Power Unit Calculator

Calculate hydraulic pump flow, motor power, reservoir size, and heat generation for hydraulic systems.

Maximum operating pressure.
bar
Flow needed by the hydraulic actuators.
L/min
Gear: 0.85-0.92, Vane: 0.90-0.95, Piston: 0.95-0.98.
Overall pump mechanical efficiency.
Fraction of time system is under pressure.

Results

Pump Flow Required-L/min
Motor Power-kW
Heat Generation-kW
Reservoir Size-liters
Pump Torque-N·m
References: Parker/Eaton Hydraulic Handbooks; ISO 4413