Generator repair NYC & NJ
Standby and prime generators up to 2000 kW repaired, rewound and maintained across New York and New Jersey — so backup power is ready the moment you need it.
Generator services
From breakdown repairs to planned rewinds, we keep commercial generators reliable and code-ready.
Breakdown repair
Fast troubleshooting for generators that fail to start, transfer or hold load.
Stator & rotor rewinding
Generator ends rewound, varnished and tested in our Brooklyn shop.
Load-bank testing
Verify real-world performance and meet inspection requirements.
Engine service
Diesel and gas engine repair, fuel, cooling and starting systems.
Controls & transfer
Control panels, governors, voltage regulators and ATS troubleshooting.
Maintenance plans
Scheduled inspections that keep units compliant and ready.
Backup power you can count on
Hospitals, data rooms and high-rise buildings depend on standby power. A2Z diagnoses and repairs generators on-site, and rebuilds generator ends in-house when rewinding is required.
We service Caterpillar, Cummins, Kohler, Generac, MTU, Detroit Diesel, John Deere and more across New York and New Jersey.
- Fails-to-start diagnosis
- Battery & charger service
- Voltage regulator repair
- Generator end rewinding
- Load-bank testing
- Preventive maintenance
Generator work
Generator brands we service
Generator repair across New York and New Jersey
A2Z provides generator repair in NYC and New Jersey for standby, prime and portable generators. Our technicians troubleshoot units that won’t start, won’t transfer or can’t hold load, and repair them on-site whenever possible.
When a generator end needs rewinding, we rebuild it in our Brooklyn shop — the same facility that handles our pump repair and motor rewinding work — then load-bank test it before reinstallation.
Generator maintenance plans
Scheduled inspections, battery and charger service, fluid changes and load-bank testing keep generators compliant and ready for outages.
Brands we repair
Caterpillar, Cummins, Onan, Kohler, Generac, MTU, Detroit Diesel, John Deere, Perkins, Stamford and more.
Generator won’t start? Call us now.
Generator repair across NYC and NJ. Call Monday–Friday, 8 AM – 5 PM.