Natural Gas or LP Gas generator


kW Ratings — Standby Range: 25

EPA-Certified for Stationary Emergency Applications

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  • Engine ManufactureGeneral Motors
  • kW Rating, Standby25
  • Hz60
  • Speed1800
  • Model25REZGB
  • Fuel TypeNatural Gas or LP Gas
  • Alternator TypeFast-Response(TM) permanent magnet excitation system

Standard Features

  • KOHLER Co. provides one-source responsibility for the generating systems and accessories
  • The generator set and its components are prototype-tested, factory-built, and production-tested
  • The 60 Hz generator set offers a UL 2200 listing.
  • The generator set accepts rated load in one step
  • The 60 Hz generator set meets NFPA 110, Level 1, when equipped with the necessary accessories and installed per NFPA standards
  • A one-year limited warranty covers all generator set systems and components. Two- and five-year extended limited warranties are also available.
  • The electronic, isochronous governor incorporates an integrated drive-by-wire throttle body actuator delivering precise frequency regulation


  • Line Circuit Breakers
  • Generator Heaters
  • Enclosures
  • Battery Heater
  • RSA III Annunciator
  • Rodent Guards
  • Battery
  • Block Heater