Separate hydr. system, PTO, p ump mounted on the tractor

Gear pump attached on the tractor with separate PTO-shaft 130 l/min at 210 bar When using gear pump tractor and trailer/ hook lift should be linearly aligned. PTO 540 rpm gives 68 l/min. PTO 1050 rpm gives 137 l/min. Tank incl. filter and level indicator,130 litres. Oil hose to pump 2"" and from pump 3/4"" Electrical steering of tipping function, on/off. Shock absorption valve 210 bar on tipping function. The oil returns to the tank through the filter Delivered with hydraulic oil and test driven The return filter should be changed after every 100 working hours It is important that the pump does not consume air or that it has a lower than required oil supply.