this pump is a plunger pump, it needs to be driven by a motor and recommend using electric motor. It requires very little power, so solar energy can be used as an energy source for its motor. these pumps are used on wellhead control panel systems, Power packs on high-torque service tools. The pump application medium is hydraulic oil and it needs to be installed at a lower position than the tank. Before staring the pump, you must vent the air in the pump chamber. 

Hydraulic Oil Pump
Rated pressure:10000psi
Flow rate at 1500rpm:0.64L/min
Inlet port:1/2 FNPT
Outlet port: 1/4FNPT