Engine Maintenance & Rebuild
Engine maintenance and rebuild covers everything from routine oil and filter service to a full teardown rebuild of a generator engine. Hedgehog Power Systems services Cummins, Onan, Caterpillar, MTU, Kohler, Generac, Baldor, Briggs & Stratton, and Aggreko engines for commercial, industrial, and residential standby power systems.
What's included.
- Oil, filter, and fluid service on manufacturer schedule
- Compression and performance diagnostics
- Full teardown and rebuild for major brands
- Genuine and OEM-equivalent parts
- Post-rebuild load testing and verification
How often should my generator be serviced?
Generators typically need full service annually or every 200 to 500 hours of operation, whichever comes first. We also recommend weekly visual checks and monthly exercise runs. A tailored plan can include breaker testing, fuel tank cleaning, and engine maintenance to prevent issues before they start.
Why did my generator fail during a power outage?
The most common cause we find is a dead or weak starting battery, which is why batteries get tested monthly and replaced on a schedule. After that: contaminated fuel that clogs filters, a transfer switch that did not transfer, and coolant or block heater problems that keep a cold engine from starting. A generator that only runs under light load can also wet stack, leaving unburned fuel in the exhaust that chokes the engine when real load arrives.
What does a typical generator maintenance visit include?
A standard visit covers fluid checks (oil, coolant, fuel), filter inspections and replacements, battery testing, visual inspection for leaks or wear, control panel inspection, and system performance verification. Every visit ends with a written record of what was found and what was done.
Request engine maintenance & rebuild.
Tell us what you are running and where it is. We respond within 1 business day, sooner for emergencies.
(708) 292-6300- Written report after every visit
- NFPA 70E trained and certified technicians
- Serving Illinois and 7 surrounding states
Other services.
Breaker & Electrical System Testing
Trip time, insulation, and fault-handling verification on your switchgear and breakers.
Parallel Systems Maintenance, Diagnostics & Upgrades
Keeping multi-generator paralleling systems synchronized and load-sharing correctly.
Fuel System Maintenance & Fuel Tank Cleaning
Removing water, sludge, and sediment before they clog filters or stall an outage response.