OM-CAT333-3788 Piston Pump 333-3788 CAT Construction Load-Sensing Main Pump

CAT dedicated variable piston pump 333-3788 integrated load sensing regulator, automatically matches flow output with digging load to cut idle fuel consumption and avoid hydraulic overheating. Special diamond flange and standard spline shaft perfectly fit original mounting without pipe/bracket modification, quickly fix slow movement, weak digging and pressure fluctuation issues.