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Wheel Loader Komatsu WA150-5 WA150-6 Hydraulic Pump Piston Pump Main Hydraulic Pump 416-18-31600 416-18-31601

Wheel Loader Komatsu WA150-5 WA150-6 Hydraulic Pump Piston Pump Main Hydraulic Pump 416-18-31600 416-18-31601

416-18-31600 hydraulic pump

Hydraulic Pump For Komatsu WA150-5

416-18-31600

Place of Origin:

China

Brand Name:

CAVOYD

Model Number:

WA150-5

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Wheel Loader Komatsu WA150-5 WA150-6 Hydraulic Pump Piston Pump Main Hydraulic Pump 416-18-31600 416-18-31601 Wheel Loader Komatsu WA150-5 WA150-6 Hydraulic Pump Piston Pump Main Hydraulic Pump 416-18-31600 416-18-31601 Wheel Loader Komatsu WA150-5 WA150-6 Hydraulic Pump Piston Pump Main Hydraulic Pump 416-18-31600 416-18-31601 Wheel Loader Komatsu WA150-5 WA150-6 Hydraulic Pump Piston Pump Main Hydraulic Pump 416-18-31600 416-18-31601 Wheel Loader Komatsu WA150-5 WA150-6 Hydraulic Pump Piston Pump Main Hydraulic Pump 416-18-31600 416-18-31601
Product Details
Supply Ability:
300 Sets / Month
Product Name:
Wheel Loader Pump
Condition:
New / Rebuilt
Warranty:
6 Months
Part No:
416-18-31600 416-18-31601
Applicable Model:
W150-5
MOQ:
1 Set
Payment Terms:
Western Union, T/T, Assurance
Packaging Details:
Wooden Case / Cartonwith Foam Protection, Or As Required
Transportation Method:
DHL, UPS, FedEx, Sea Freight
Price:
Negotiable
Delivery Time:
3-8 Working Days
Highlight:

416-18-31600 hydraulic pump

,

Hydraulic Pump For Komatsu WA150-5

,

416-18-31600

Payment & Shipping Terms
Minimum Order Quantity
1 set
Price
Negotiable
Packaging Details
Dimension: L40×W35×H40 cm
Delivery Time
3-8 days
Payment Terms
T/T
Supply Ability
300pcs/day
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86--18127821703
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Product Description
Wheel Loader Komatsu WA150-5 WA150-6 Hydraulic Pump Piston Pump Main Hydraulic Pump 416-18-31600 416-18-31601
Common Faults & Diagnostic Analysis
  • Slow Boom Lifting & Bucket Retraction
    Insufficient pressure and weak performance under heavy load caused by wear of gears, side plates, and bushings. This reduces volumetric efficiency and increases internal leakage, preventing pressure buildup.
  • Hydraulic Pump Whistling & Abnormal Noise
    Heavy vibration resulting from clogged suction filters, damaged suction pipes causing air ingress and cavitation, or worn gears and burnt bushings with contaminants in hydraulic oil.
  • Hydraulic System Overheating
    Internal pump wear causes heavy internal leakage and heat generation. Continuous overload and degraded hydraulic oil lead to poor heat dissipation.
  • External Oil Leakage
    Caused by aged shaft seals, damaged end-cap O-rings, worn pump housing mating surfaces, and loose bolts.
  • Weak or Slow Steering Response
    Wear on the steering section of triple gear pump reduces steering flow. Stuck priority valve requires distinguishing between pump failure and valve failure.
Procurement & Maintenance Recommendations
  • Initial Diagnosis
    Test system pressure and return flow first to confirm whether the fault originates from gear pump body or priority/relief valve, avoiding unnecessary pump replacement.
  • Minor Wear Solution
    Procure gear pump repair kit (side plates, bushings, seals) for overhaul rather than complete replacement.
  • Severe Damage Protocol
    Replace complete triple gear pump assembly when severe scoring occurs on gears or housing. Verify part number 705-56-34690 and nameplate before ordering.
  • Preventative Maintenance
    Replace suction filter, return filter, and hydraulic oil to prevent contamination of new pump during installation.
Component Visual Documentation
Komatsu D65 hydraulic pump main pump component view Komatsu D65 piston pump assembly detail Hydraulic pump internal mechanism close-up Main pump housing and connections Pump mounting and installation view Hydraulic pump part identification Pump internal components display Main pump technical specifications view Hydraulic pump maintenance details Pump assembly and disassembly guide Component replacement procedure Final pump installation verification
Tags：

excavator hydraulic pump

bulldozer hydraulic pump

wheel loader hydraulic pump

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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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