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Main Hydraulic Pump 708-2G-00421 708-2G-00400 708-2G-00420 For Komatsu PC360-10 PC390-10 PC360-11 PC390-11 Excavators

Main Hydraulic Pump 708-2G-00421 708-2G-00400 708-2G-00420 For Komatsu PC360-10 PC390-10 PC360-11 PC390-11 Excavators

PC390-11 Excavators piston pump

708-2G-00421 Hydraulic Pump

main piston pump 708-2G-00420

Place of Origin:

China

Brand Name:

CAVOYD

Certification:

ISO90001

Model Number:

PC360LC-11、 PC360LC-10

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Main Hydraulic Pump 708-2G-00421 708-2G-00400 708-2G-00420 For Komatsu PC360-10 PC390-10 PC360-11 PC390-11 Excavators Main Hydraulic Pump 708-2G-00421 708-2G-00400 708-2G-00420 For Komatsu PC360-10 PC390-10 PC360-11 PC390-11 Excavators Main Hydraulic Pump 708-2G-00421 708-2G-00400 708-2G-00420 For Komatsu PC360-10 PC390-10 PC360-11 PC390-11 Excavators Main Hydraulic Pump 708-2G-00421 708-2G-00400 708-2G-00420 For Komatsu PC360-10 PC390-10 PC360-11 PC390-11 Excavators
Product Details
Product Name:
Excavator Hydraulic Pump
Packaging Details:
Wooden Case / Cartonwith Foam Protection, Or As Required
Payment Terms:
Western Union, T/T, Assurance
Condition:
New / Rebuilt
Warranty:
6 Months
Part No:
708-2G-00421 708-2G-00400 708-2G-00420
Transportation Method:
DHL, UPS, FedEx, Sea Freight
Highlight:

PC390-11 Excavators piston pump

,

708-2G-00421 Hydraulic Pump

,

main piston pump 708-2G-00420

Payment & Shipping Terms
Minimum Order Quantity
1 set
Price
Negotiable
Packaging Details
Wooden Case / Carton with Foam Protection, or as Required
Delivery Time
3-7 Weekdays
Payment Terms
T/T
Supply Ability
100pcs/day
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CONTACT US
86--18127821703
280835749@qq.com
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Product Description
Main Hydraulic Pump Part Numbers 708-2G-00421, 708-2G-00400, and 708-2G-00420
Compatible with Komatsu PC360-10 and PC360-11 series excavators.
Common Faults & Solutions
  • Weak movement when hot: Caused by wear of pistons and valve plate reducing volumetric efficiency. Primary trigger is hydraulic oil contamination.
  • Engine lugging & speed drop: Results from misadjustment or stuck spool of PC power valve, EPC solenoid malfunction, or pump displacement issues causing excessive power absorption.
  • Slow movement of whole machine: Typically due to clogged or damaged EPC solenoid valve coil, stuck LS valve spool, or worn internal pump parts leading to insufficient flow.
  • Abnormal noise & vibration: Caused by blocked suction filter, air entering suction pipe (cavitation), damaged pump bearing, or broken piston and shoe.
  • Large case drain flow: Internal pump wear causes high-pressure oil internal leakage, flowing out from pump case drain port.
Komatsu hydraulic pump component view showing internal mechanism
Komatsu hydraulic pump assembly diagram with part identification
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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