Hydraulic Gear Komatsu/CAT 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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Product Details

Komatsu WA500‑3 Wheel Loader Hydraulic Pump Spare Parts

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


Komatsu WA500‑3 Wheel Loader – Key Specs 

  • Operating Weight: 27600 kg

  • Bucket Capacity: 4.5 m³

  • Rated Load: 9000 kg

  • Engine: SA6D140E‑3, 235 kW @2100 rpm

  • Displacement: 15.2 L

  • Breakout Force: 265 kN

  • Max travel speed: 33 km/h forward

  • Multi‑gear‑pump setup: main work pump, tandem steering pump, separate pilot & transmission pumpManualsLib

  • Full‑hydraulic articulated steering, emergency steering function built‑in

  • Two‑stage automatic power‑shift hydraulic system, saves engine power

  • Hydraulic oil cooler for stable temperature under heavy‑load mining jobs

  • Pilot control for implement operation, smooth boom & bucket movement

  • Auto boom kick‑out & bucket positioner for fast loading cycles

  • System relief pressure: 21 MPa; boom raise 6.4s, dump 1.7s, lower 3.5s

  • Simple robust gear‑pump design, easy service & spare‑parts availability

  • Fuel tank: 465 L



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