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Product Description and Specifications

KW: 15-20
Engine Model: 4LE1NYGV-01
Tank Capacity: 56 gal.
Trailer Capacity: 2200 lbs.

Extremely Mobile 3-Phase Power

The MLG25 provides dependable rugged and reliable 3-phase power when and where you need it. With a smaller footprint than our MMG series, for the flexibility of the application needs but 3-phase power like the big guys. Equipped with a mobile trailer, forklift pockets and a central lift eye, you have a variety of ways to move, use and get it to where you need it.

Features & Benefits


  • Full tubular 14-gauge steel frame with lockable enclosure
  • Durable, fade resistant, white baked on powder coat finish
  • Stainless steel hinges, exterior hardware and pad lockable door latches


  • CSA Certified
  • Sealed membrane Microprocessor switch with 6 LED indicators: Low oil/high temp shutdowns, Fuel level warning shutdown, Overspeed protection warning and shutdown, Over current shutdown, Battery voltage over / under protection, Generator over/under voltage warning and shutdown, Generator over/under frequency warning and shutdown
  • 2 year – 2,000 hour warranty
  • Marathon voltage regulation within +/- 1%
  • 90A Start limit breaker

Easy to Use

  • Self-priming 4 cylinder Isuzu engine
  • Lug terminals for three and single phase output with safety switch
  • External convenience outlets with individual breakers
  • External emergency stop switch
  • Voltage selector switch
  • Automatic remote start

Warranty Responsibility: It is the responsibility and obligation of the purchaser to thoroughly read and understand the Magnum warranty prior to purchasing equipment. Failure to read and comprehend the warranty policy does not expose Magnum to any liabilities over and above the stated warranty bond. If you have any questions or need clarification of warranty details please contact or call technical support at 800.926.9768.


Questions? Call us toll free at 1-800-370-3621 or send us a message now. We’re here to help.