Wacker Neuson ET90 Tracked Excavator Parts

Keeping your Wacker Neuson ET90 in peak operating condition starts with the right parts and a solid maintenance routine. Ensure your excavator stays in top shape with high-quality oil filters, air filters, lights and more. The ET90 offers strong digging force, efficient hydraulics, and smooth control, making it an ideal mid-size machine for a range of tough excavation jobs. Don’t forget to stay on top of your maintenance—secure the parts you need to keep your Wacker Neuson ET90 running smoothly!

Walk-Around Inspection

  • Check hydraulic hoses, lines, and fittings for leaks or abrasion
  • Inspect undercarriage components, including tracks, rollers, and tension
  • Look for damage or excessive wear on the bucket, boom, and attachments
  • Inspect cooling system and clean radiator and cooler fins
  • Verify lights, horn, and safety indicators are operational
  • Check mirrors and windows for visibility and cleanliness

Daily Maintenance

  • Check engine oil, hydraulic oil, and coolant levels
  • Clean and inspect air intake and filters
  • Drain water from the fuel/water separator
  • Grease swing bearing, bucket, arm, and boom pivot points
  • Check for warning lights or maintenance alerts on the display
  • Verify seat belt, control levers, and operator platform function properly

Every 50 Hours

  • Lubricate all daily service grease points again
  • Clean hydraulic quick couplers and attachment interfaces
  • Inspect air filter indicator for clogging

Every 250 Hours

  • Change engine oil and replace oil filter
  • Inspect and clean or replace cabin air filter
  • Check alternator belt for tension and wear
  • Inspect and torque wheel bolts, boom pins, and structural fasteners

Every 500 Hours

  • Replace hydraulic return filter element
  • Inspect battery and terminals, clean and grease as needed
  • Check and clean diesel particulate filter sensor lines (DPF model only)

Every 1,000 Hours

  • Change hydraulic oil if hammer use exceeds 40% of operating time
  • Replace primary and secondary fuel filters
  • Change coolant if not done annually

Every 2,000 Hours

  • Change final drive oil
  • Check and replace V-belt if worn
  • Inspect electrical connectors and relays in engine bay
  • Perform in-depth DPF system check and regeneration history review

Annual Maintenance

  • Flush and refill hydraulic reservoir (every 12 months or 2,000 hours)
  • Inspect full machine frame, welds, and stress points
  • Clean entire cooling group: radiator, charge air cooler, oil cooler
  • Check protective structures, cab mount bolts, and glass integrity

As-Needed Maintenance

  • Replace worn bucket teeth, pins, and bushings
  • Inspect and replace lights, fuses, or warning indicators as needed
  • Grease track tensioning system and adjust if out of spec
  • Replace hoses or hydraulic lines showing cracks, leaks, or wear

Final Maintenance Recommendations

Regular maintenance keeps your Wacker Neuson ET90 operating safely and efficiently. For a full range of Wacker Neuson parts, explore our extensive EquipmentShare parts catalog. If you can’t find the part you need, reach out to our parts experts for a custom order.

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