Excavator Hydraulic Pump 708-2L-00610 708-2H-00612 708-2L-00613 Komatsu PC1250-7 PC1100-6 Main Piston Pump Pressure Pump High-performance hydraulic pump designed for Komatsu excavators, providing reliable pressure and flow for optimal machine operation. Common Faults Insufficient output pressure of main pump, weak digging force and slow machine movement Abnormal noise and violent vibration of pump housing Severe internal pump leakage, rapid rise of hydraulic oil temperature