Hydraulic Gear Komatsu/CAT Pump

DX215-9C Hydraulic Main Pump

KOMATSU WA380-3 WA350-3 LOADER GEAR PUMP 705-55-34180 705-55-34181 Four Joint section

 

Our 705-55-34180  705-55-34181 hydraulic gear pump is a premium aftermarket replacement tailored for Komatsu WA350-3 and WA380-3 wheel loaders. The 705-55-34181 is the upgraded supersession of 705-55-34180, with full interchangeability in installation size, flow parameter and working performance, enabling plug-and-play replacement without any modification.

Featuring a 100+50+36+25cc multi-section integrated structure, this gear pump independently provides stable hydraulic power for the loader’s steering system and working device circuits including boom and bucket. Made of high-strength wear-resistant alloy and processed with precise machining technology, it delivers outstanding pressure resistance, low noise operation and excellent anti-leakage performance, perfectly adapting to long-duration heavy-duty construction working environments.

Manufactured in strict compliance with OEM standards, this hydraulic gear pump features accurate mounting dimensions and superior sealing stability. It is a reliable, high-cost performance replacement part to renovate faulty hydraulic pumps, effectively restoring the hydraulic system sensitivity and overall working efficiency of Komatsu loaders, which is the ideal choice for machinery maintenance and commercial replacement.
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DX215-9C Hydraulic Main Pump

705‑41‑08090 Hydraulic Pump for Komatsu PC50UU‑2 PC40‑7 PC40T‑7 PC40R‑7 Excavator
  • Direct OEM Replacement：705‑41‑08090 hydraulic pump perfectly matches Komatsu PC50UU‑2, PC40‑7, PC40T‑7, PC40R‑7 mini excavator

  • Fix Common Hydraulic Faults：Solves slow movement, weak digging force and hydraulic leakage issues

  • Precision Fitment：Same port and mounting size as original, no modification for fast installation

  • Heavy‑Duty Performance：Wear‑resistant structure works reliably in harsh job‑site environments

  • Cost‑Effective Spare Part：Factory‑tested unit to reduce your machine downtime and repair expense


    Product Specifications

    • Part Number: 705-41-08090 / 7054108090

    • Product Type: Hydraulic Gear Pump / Main Hydraulic Pump

    • Material: High-strength Wear-resistant Cast Iron Alloy

    • Applicable Machine: Komatsu Mini Excavator

    • Working Pressure: Standard OEM Working Pressure

    • Condition: Brand New, 100% Factory Tested

    • Installation: Direct Plug-and-Play Replacement
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DX215-9C Hydraulic Main Pump

KOMATSU WA320-5 LOADER GEAR PUMP 705-56-36050
  • Exact OEM Replacement – 705-56-36050 gear pump perfectly fits Komatsu WA320-5 wheel loader

  • Stable Hydraulic Performance – Improves slow movement, weak lifting and oil leakage issues

  • Durable Construction – Wear-resistant material ensures long service life in harsh working environments

  • Precision Matching – Standard size for fast installation without modification

  • Cost-effective Aftermarket Part – Reliable quality to reduce your repair cost and machine downtime

    705-56-36051   705-56-36050 705-56-36110   (SAR90+32+SB12+12 )

    1.705-38-39000
    2.705-38-30060
    3.705-41-04460
    4.705-41-05690
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DX215-9C Hydraulic Main Pump

KOMATSU WA500-3 LOADER PUMP 705-52-30260

Komatsu WA500‑3 Wheel Loader Hydraulic Pump Spare Parts

  1. Steering Tandem Pump: 705‑52‑30490, interchange 705‑52‑31230. ⚠️ 705‑52‑30260 suits WA500‑1 only, not original for WA500‑3.
    Confirm machine serial number prior to purchase.

  2. Main Work Pump: 705‑22‑44070 (705‑22‑44020)

  3. Pilot Pump: 705‑12‑44040 (705‑12‑38011)

  4. Transmission Pump: 705‑12‑38011

  5. Engine Oil Pump: 6218‑51‑2000 (6218‑51‑2004)

All items are brand‑new aftermarket replacement parts. Machine serial number check is highly recommended to avoid wrong part selection.
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