708-3S-00920 hydraulic pump for Komatsu PC45MR-3 mini excavator
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1. Product Overview
The Komatsu Axial Piston Hydraulic Pump for the PC45MR-3 is engineered to deliver high volumetric efficiency and precise control. It is a direct replacement for OEM part numbers 708-3S-00920 and 708-3S-00922. This pump is specifically designed to integrate with Komatsu’s Closed-center Load Sensing System (CLSS), ensuring that hydraulic power is distributed efficiently and smoothly across all functions.
2. Technical Specifications & Performance
Pump Model: HPV Series (Axial Piston Variable Displacement)
Part Numbers: 708-3S-00922, 708-3S-00920
Machine Compatibility: Komatsu PC45MR-3, PC55MR-3
Rated Operating Pressure: 26.5 MPa (265 Bar)
Maximum Pressure: 29.4 MPa (294 Bar)
Control System: CLSS (Closed-center Load Sensing System)
Rated Speed: 2,200 – 2,400 RPM
Warranty: 1-Year Quality Guarantee
Lead Time: 3–7 Working Days
3. Key Engineering Advantages
Precision Load Sensing: The pump adjusts its displacement instantly based on operator input, allowing for fine-tuned control during delicate operations like grading or utility work.
Optimized Fuel Economy: By delivering only the required amount of oil flow for each task, the pump reduces parasitic engine load, leading to lower fuel consumption and reduced hydraulic heat.
Quiet Operation: Advanced internal port plate designs minimize fluid turbulence and noise, making the PC45MR-3 ideal for work in residential and noise-sensitive areas.
OEM Compatibility: Built to exact factory dimensions. All mounting points, splined input shafts, and hydraulic ports match the original Komatsu specifications for a seamless installation.
4. Supply Range & Brand Expertise
We specialize in professional-grade components for the industry's leading machinery:
Hydraulics: Main Pumps, Swing Motors, and Control Valves.
Drivetrain: Final Drive Gearboxes, Travel Motors, and Swing Reducers.
Electronics: ECU Controllers, Digital Monitors, 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 simplify international shipping and customs.
Service Commitment: Worldwide Delivery ensured to minimize your equipment downtime and return your Komatsu fleet to peak productivity.