Hydraulic Main Piston Pump 161-6634 for CAT 416C 426C 428C 436C 438C – Backhoe Loader
Hydraulic Main Piston Pump 161-6634 for CAT 416C 426C 428C 436C 438C – Backhoe Loader
Available in stock
Part Name: Hydraulic Main Piston Pump
Part Numbers:161-6634 1616634
Application: Designed for Caterpillar 416C, 426C, 428C, 436C, and 438C backhoe loaders requiring consistent hydraulic power for multi-function operation.
Function: Supplies high-pressure hydraulic flow to essential systems including loader arms, backhoe boom, stabilizers, and steering. Ensures smooth, powerful, and responsive control for demanding job site tasks.
Condition: Brand New / OEM-Standard Replacement
Machine Type: Backhoe Loader
Technical Specifications:
Type: Axial piston, variable-displacement hydraulic pump
Material: Cast iron housing with precision-forged internal components
Flow Capacity: Rated for full-duty cycle performance under CAT OEM specs
Mounting: OEM-aligned bolt holes and hose connections
Performance: Provides continuous high-pressure output for efficient hydraulic function during heavy-duty operations
Compatibility:
Caterpillar 416C, 426C, 428C, 436C, and 438C Backhoe Loaders
Suitable for machines using main pump part number 161-6634
Category: Hydraulic Pumps / Backhoe Loader Components
Shipping: Worldwide Shipping Available | Estimated Delivery: 5–10 Business Days
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