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.