643G - FELLER BUNCHER 2161 HYDRAULIC PUMPS AND DRIVES Parts group 2161 HYDRAULIC PUMPS AND DRIVES 2161 HYDRAULIC PUMPS AND DRIVES . HYDRAULIC SYSTEM LOAD SENSE AXIAL PISTON PUMP ( - 853986) HYDRAULIC SYSTEM LOAD SENSE AXIAL PISTON PUMP HYDRAULIC SYSTEM LOAD SENSE AXIAL PISTON PUMP Piston Pump, Saw (643G) (XXXXXX - ) Piston Pump, Saw (843G) ( - 871024) Saw Pump, 41 GPM (843G) (871025 - ) Saw Pump, 41 GPM (843G) (871025 - ) Shear Pump (643G) ( - 880002) Shear Pump (643G) (880003 - ) Shear Pump (843G) ( - 835484)