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Excavator hydraulic pump Komatsu PC200-6 PC210-6 PC240-6 PC270-6 708-2L-00423 708-2L-00421 708-2L-00461 Main piston pump

Excavator hydraulic pump Komatsu PC200-6 PC210-6 PC240-6 PC270-6 708-2L-00423 708-2L-00421 708-2L-00461 Main piston pump

708-2L-00423 main piston pump

708-2L-00423

Komatsu hydraulic pump for PC200-6

Place of Origin:

China

Brand Name:

CAVOYD

Model Number:

PC200-6 PC210-6 PC240-6 PC270-6

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Excavator hydraulic pump Komatsu PC200-6 PC210-6 PC240-6 PC270-6 708-2L-00423 708-2L-00421 708-2L-00461 Main piston pump Excavator hydraulic pump Komatsu PC200-6 PC210-6 PC240-6 PC270-6 708-2L-00423 708-2L-00421 708-2L-00461 Main piston pump Excavator hydraulic pump Komatsu PC200-6 PC210-6 PC240-6 PC270-6 708-2L-00423 708-2L-00421 708-2L-00461 Main piston pump Excavator hydraulic pump Komatsu PC200-6 PC210-6 PC240-6 PC270-6 708-2L-00423 708-2L-00421 708-2L-00461 Main piston pump Excavator hydraulic pump Komatsu PC200-6 PC210-6 PC240-6 PC270-6 708-2L-00423 708-2L-00421 708-2L-00461 Main piston pump
Product Details
Product Name:
Hydraulic Pump Assembly
Part No:
708-2L-00423 708-2L-00421 708-2L-00461
Applicable Model:
PC200-6 PC210-6 PC240-6 PC270-6
Condition:
New / Rebuilt
MOQ:
1 Set
Price:
Negotiable
Payment Terms:
Western Union, T/T, Assurance
Supply Ability:
300 Sets / Month
Delivery Time:
3-8 Working Days
Packaging Details:
Wooden Case / Cartonwith Foam Protection, Or As Required
Transportation Method:
DHL, UPS, FedEx, Sea Freight
Warranty:
6 Months
Highlight:

708-2L-00423 main piston pump

,

708-2L-00423

,

Komatsu hydraulic pump for PC200-6

Payment & Shipping Terms
Minimum Order Quantity
1 set
Price
Negotiable
Packaging Details
Dimension: L50×W50×H70 cm
Delivery Time
3-8 days
Payment Terms
T/T
Supply Ability
300pcs/day
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86--18127821703
280835749@qq.com
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Product Description
Excavator Hydraulic Pump Komatsu PC200-6 PC210-6 PC240-6 PC270-6
Product Overview

Part Numbers: 708-2L-00423, 708-2L-00421, 708-2L-00461

HPV95 twin axial variable displacement main piston pump. Front and rear pumps integrated in one housing, directly driven by engine flywheel. It adopts Komatsu OLSS (Open Center Load Sensing System) with fully mechanical hydraulic regulation - No EPC solenoid valve.

Common Faults & Solutions
  • Weak operation when hot, acceptable performance when cold: Wear of pistons and valve plate reduces volumetric efficiency and causes high-pressure internal leakage. Leakage increases when oil temperature rises. Hydraulic oil contamination is the primary trigger.
  • Engine lugging & speed drop: Misadjustment or stuck spool of PC constant power valve. Pump absorbed power exceeds engine output, leading to lugging and speed drop under heavy load.
  • Slow movement of whole machine: Stuck LS load sensing valve spool; worn internal pump parts leading to insufficient output flow, all machine movements slow down.
  • Abnormal noise & vibration: Blocked suction filter, air ingress in suction pipe causing cavitation; damaged pump bearing or broken piston & shoe.
  • Large case drain flow: Internal pump wear leads to high-pressure internal leakage, plenty of oil flows out from pump case drain port.
  • Unbalanced combined movements: Stuck LS valve causes abnormal flow distribution, unbalanced force and speed when performing two operations at the same time.
Product Images
Komatsu hydraulic pump component view Hydraulic pump assembly detail Pump internal mechanism Komatsu pump side view Pump mounting interface Hydraulic pump internal components Pump valve plate detail Komatsu pump technical specifications Pump housing and connections Hydraulic pump installation view Pump maintenance access points Complete hydraulic pump unit
Tags：

hydraulic piston pump

hydraulic pump for excavator

main hydraulic pump assembly

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Guangzhou Kawo Construction Machinery Co.,Ltd.
With 20 years of professional experience in construction machinery hydraulics, CAVOYD focuses on hydraulic spare parts supply and remanufacturing for excavators, bulldozers and loaders. We mainly supply hydraulic pumps, control valves, swing assemblies, travel assemblies, fan pumps and fan motors. Our parts fit Caterpillar, Komatsu, Volvo, Hitachi, Kobelco, Sany, Doosan and other mainstream brands. We provide high-quality new parts and precision remanufactured parts, serving global clients wit
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