cat excavator hydraulic pump

The main pump type used by the caterpillar excavator hydraulic pump is: variable displacement axial piston pump Main pump maximum flow (L/min): 2×200 Walking hydraulic motor type: variable displacement axial piston motor (with mechanical brake) Rotary hydraulic motor type: axial piston motor (with mechanical brake) Variable piston pumps are divided into two types: axial variable piston pumps and radial variable piston pumps.