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Excavator Hydraulic Pump 95601040 95784040 96326540 Komatsu PC4000-6 PC8000-6 Main Piston Pump Pressure Pump

Excavator Hydraulic Pump 95601040 95784040 96326540 Komatsu PC4000-6 PC8000-6 Main Piston Pump Pressure Pump

95601040 main piston pump

95601040

main piston pump

Place of Origin:

China

Brand Name:

CAVOYD

Model Number:

PC4000-6 PC8000-6

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Excavator Hydraulic Pump 95601040 95784040 96326540 Komatsu PC4000-6 PC8000-6 Main Piston Pump Pressure Pump Excavator Hydraulic Pump 95601040 95784040 96326540 Komatsu PC4000-6 PC8000-6 Main Piston Pump Pressure Pump Excavator Hydraulic Pump 95601040 95784040 96326540 Komatsu PC4000-6 PC8000-6 Main Piston Pump Pressure Pump Excavator Hydraulic Pump 95601040 95784040 96326540 Komatsu PC4000-6 PC8000-6 Main Piston Pump Pressure Pump Excavator Hydraulic Pump 95601040 95784040 96326540 Komatsu PC4000-6 PC8000-6 Main Piston Pump Pressure Pump
Product Details
Packaging Details:
Wooden Case / Cartonwith Foam Protection, Or As Required
Condition:
New / Rebuilt
Part No:
95601040 95784040 96326540
MOQ:
1 Set
Transportation Method:
DHL, UPS, FedEx, Sea Freight
Warranty:
6 Months
Supply Ability:
300 Sets / Month
Product Name:
Hydraulic Pump Assembly
Price:
Negotiable
Applicable Model:
PC4000-6 PC8000-6
Delivery Time:
3-8 Working Days
Payment Terms:
Western Union, T/T, Assurance
Highlight:

95601040 main piston pump

,

95601040

,

main piston pump

Payment & Shipping Terms
Minimum Order Quantity
1 set
Price
Negotiable
Packaging Details
Dimension: L105×W55×H60cm
Delivery Time
3-8 days
Payment Terms
T/T
Supply Ability
300pcs/day
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CONTACT US
86--18127821703
280835749@qq.com
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Product Description
Excavator Hydraulic Pump 95601040 95784040 96326540 Komatsu PC4000-6 PC8000-6 Main Piston Pump Pressure Pump
The PC4000/8000-6 is a Komatsu ultra-large mining hydraulic shovel. The machine uses multiple large-displacement variable displacement piston pumps supplying oil in parallel for working, rotating and other circuits, plus a pilot pump. 95601040 is one of the main pump part numbers for this model. These pumps have enormous displacement, very high power and very high unit price, making them the most critical high-value component of the machine.
Common Faults
  • Weak / slow movement on one pump or circuit: Internal leakage from worn pistons/valve plate/slippers in that pump section, reduced volumetric efficiency — measure each pump's pressure and case drain flow to diagnose.
  • All functions or a specific action weak: Insufficient main pump pressure, failed main relief valve setting, severe pump internal leakage.
  • Pump abnormal noise / squealing: Insufficient suction or air ingress (large suction flow accelerates cavitation damage), contaminated oil, internal pump wear.
  • Engine lugging / speed drop under load: Seized power regulator/control spool; pump stays at large displacement and absorbs excessive power.
  • High oil temperature: Severe main pump internal leakage, high-pressure oil converting to heat.
  • Oil leakage: Aged main shaft oil seal, worn end-cover O-rings, poor case drain.
  • Jitter / pressure fluctuation: Air in the system, seized regulator, scored valve plate.
Purchasing Recommendations
  • Confirm the sub-model and pump configuration (multi-pump combination, working/rotating section split)
  • Confirm main pump assembly vs single pump / single section
  • Confirm the full configuration of part No. (displacement, interface, cross-check against original old part number)
  • Confirm condition: genuine new units are extremely expensive; remanufactured (Reman) units are the mainstream cost-saving option; aftermarket compatible units require extreme caution
  • Overhaul parts: cylinder block, valve plate, piston (slipper), retainer plate, swashplate, main shaft, bearings, seal kit
  • After-sales: warranty; fill with hydraulic oil before starting; after repair, replace all filters and clean the oil tank; for ultra-large pumps, prefer genuine or specialized-factory remanufacturing
Technical Documentation
Excavator hydraulic pump component view showing internal parts Hydraulic pump internal mechanism diagram Complete pump assembly diagram Piston pump technical illustration Hydraulic pump cross-section view Pump component close-up detail Excavator pump installation view Hydraulic system schematic diagram Pump maintenance and service diagram Technical specifications illustration Component identification guide Pump assembly instructions
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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