KOMATSU PC40R-8 PC45R-8 Main Hydraulic Pump 708-1T-00132 708-1T-00131 3F4555052 890001661 for Mini Excavator Spare Part

Genuine & Refurbished Piston Pump for Mini Excavator Spare Parts

Part Name: Variable displacement axial piston main hydraulic pump

Main PN: 708-1T-00132, 708-1T-00131, 3F4555052, 890001661

Applicable Models: Komatsu PC40R-8, PC45R-8 mini excavator

Product Grades: Genuine New, Refurbished Pump, Premium Aftermarket New

Warranty: 12 months warranty for genuine and refurbished pumps; 6–12 months warranty for aftermarket pumps

Net Weight: 43 kg

Stock Status: Products are in stock, shipment will be arranged within 3–7 working days after order confirmation

1. Manufactured strictly in accordance with OEM dimensional and technical standards to perfectly match the original hydraulic system of PC40R-8 and PC45R-8
2. Equipped with load sensing pressure compensation structure, dynamically adjusting flow output to reduce idle power loss and lower equipment fuel consumption
3. High-precision internal matching friction pairs maintain stable output pressure and effectively control internal leakage during long-hour construction work
4. Identical mounting flange size, oil port layout and drive spline structure, realizing direct bolt-on replacement without any mechanical modifiion
5. Multi-combination high-performance sealing components effectively prevent internal and external oil leakage under heavy load working conditions
6. Each finished hydraulic pump is subjected to strict hydraulic pressure test, flow detection and leakage bench test before leaving the factory

Pump Type: Variable axial piston hydraulic pump

Max system working pressure: 25.8 MPa

Control Method: Load sensing pressure compensation control

Rated operating speed: 2200–2300 rpm

Input Shaft: Original OEM standard spline structure

Rotation Direction: Factory original specified rotation direction

Function: Provides stable hydraulic power for travelling, slewing, boom, arm and bucket execution mechanisms

Applicable Equipment: Komatsu PC40R-8, PC45R-8

Interchange PN Group: 708-1T-00132, 708-1T-00131, 3F4555052, 890001661

We focus on supplying complete hydraulic pump spare parts for Komatsu mini excavators. Diverse product quality grades can satisfy procurement demands of different budgets. A complete quality control system guarantees long-term stable operating performance of pumps. Abundant spot inventory supports global sea freight and air freight transportation solutions. We supply professional installation guidance and responsive after-sales technical support.