Keeping your Wacker Neuson G25 in peak operating condition starts with the right parts and a solid maintenance routine. Ensure your mobile generator stays in top shape with high-quality {part 1}, {part 2}, {part 3} and more. The G25 provides reliable 25 kVA power output in a towable, Tier 4 Final-compliant package. Don’t forget to stay on top of your maintenance—secure the parts you need to keep your Wacker Neuson G25 running smoothly!

Walk-Around Inspection

• Check for visible damage, loose hardware, or fluid leaks
• Inspect the exhaust system for cracks, soot, or missing insulation
• Ensure the radiator and vents are clean and unobstructed
• Inspect wiring, hoses, and connections for wear or looseness
• Verify tires are properly inflated and check brake fluid if on trailer
• Ensure labels, safety decals, and lights are intact and operational

Daily Maintenance

• Check engine oil, coolant, and fuel levels
• Drain containment system and water separator if equipped
• Visually inspect the battery and electrical system
• Clean exterior if necessary to prevent buildup of dirt and debris

Every 50 Hours

• Check trailer brake fluid level (if applicable)
• Inspect containment system and drain if needed

Every 250 Hours

• Change engine oil and replace oil filter
• Inspect air cleaner and replace element as needed
• Check cooling system hoses and coolant condition
• Lubricate axle hubs and verify tire condition

Every 500 Hours

• Replace fuel filters
• Clean battery terminals and check voltage
• Check radiator cap, clean radiator fins, and inspect cooling system

Every 1,000 Hours

• Flush and replace coolant
• Clean or replace DPF if equipped

Every 2,000 Hours

• Check and refill radiator coolant system

Every 4,500 Hours or 3 Years

• Replace DEF dosing unit filter if equipped

Annual Maintenance

• Complete all 600-hour interval tasks
• Inspect containment system for damage and leaks
• Test emergency stop function and electrical safety components
• Grease trailer axle and verify brake system

As-Needed Maintenance

• Replace engine air cleaner or fuel filter if operating in dusty conditions
• Clean or replace DPF manually if regeneration fails
• Replace damaged labels, hoses, or wiring immediately
• Charge or replace battery if weak or corroded

Final Maintenance Recommendations

Regular maintenance keeps your Wacker Neuson G25 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.