708-1U-00163 hydraulic pump for Komatsu WB93R-8 backhoe loader
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1. Product Overview
The Komatsu Hydraulic Piston Pump is an axial piston variable displacement unit specifically engineered for the WB93R-8 series backhoe loader. This pump is a direct replacement for OEM part number 708-1U-00163. It is designed to integrate with Komatsu’s advanced "SyncroSystem" hydraulic logic, which matches the pump's output to the operator’s demand for high-speed travel or high-torque digging.
2. Technical Specifications & Performance
Pump Model: HPV Series (Axial Piston Variable Displacement)
Part Number: 708-1U-00163
Machine Compatibility: Komatsu WB93R-8, WB97R-8
Rated Operating Pressure: 25.0 MPa (250 Bar)
Maximum Pressure: 28.0 MPa (280 Bar)
Control System: Load Sensing (CLSS) / Flow Sharing
Input Speed: 2,200 – 2,400 RPM
Warranty: 1-Year Quality Guarantee
Lead Time: 3–7 Working Days
3. Key Engineering Advantages
Optimized Flow Sharing: Specifically calibrated to handle the dual functionality of a backhoe loader. The pump ensures that hydraulic flow is distributed evenly between the steering, loader, and backhoe circuits, preventing performance drops during multi-function tasks.
Precision Load Sensing: The variable swashplate design adjusts instantly to joystick input, providing high precision for delicate grading and high speed for loading cycles.
Thermal Efficiency: Internal porting is designed to reduce friction and turbulence, keeping hydraulic oil temperatures low during high-duty cycles like continuous trenching.
Durable Construction: Features high-strength alloy cylinder blocks and induction-hardened pistons to withstand the intense pressure spikes common in backhoe and breaker applications.
4. Supply Range & Brand Expertise
We specialize in professional-grade hydraulic and drivetrain components for industry leaders:
Hydraulics: Main Pumps, Control Valves, and Steering Cylinders.
Drivetrain: Final Drives, Travel Motors, and Axle Components.
Electronics: ECU Controllers, Monitoring Screens, and Sensors.
Extensive Brand Coverage: Komatsu, Hitachi, Volvo, CAT, Liebherr, Hyundai, Kobelco, Kubota, Yanmar, JCB, Sany, and Doosan.
5. Global Logistics & Fast Delivery
Express Shipping: Rapid door-to-door delivery via UPS, DHL, FedEx, and TNT.
Flexible Logistics: Support for Air Freight, Sea Freight, and DDP (Delivered Duty Paid) options to handle all customs and local taxes automatically.
Service Commitment: Worldwide Delivery focused on reducing machine downtime and ensuring your Komatsu WB93R-8 remains at peak productivity.