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Cummins Onan 12.5HDKCB-11506 QD 12500W Diesel RV Generator

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5 Stars 1 product review
Average Product Review Rating: 5/5
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Cummins Onan QD 12500 Diesel RV Generator. Built to deliver quiet and reliable power, Cummins Onan diesel generators are designed to provide convenience and comfort for all types of motorized RVs.

Cummins Onan 12.5HDKCB-11506 Features:

  • Computer-controlled constant speed operation - quiet diesel performance for larger RVs.
  • Special sound-controlling housing encloses cooling system and muffler.
  • Three-point, fully focalized internal mounting system reduces vibration.
  • Self-diagnostic capabilities simplify troubleshooting.
  • Easy, accessible maintenance points.
  • Runs two or three rooftop air conditioners with power to spare. Will operate with three 15000 Btu air conditioners and an additional load of up to 4000 W.
  • High quality, pure sine wave electrical output helps prevent damage to appliances.
  • Quieter than National Park Service sound level requirements.
  • Easy, accessible maintenance points.
  • Circuit breakers: 50A, 2-pole
  • 3-year limited warranty


12.5HDKCB-11506 Spec Sheet 12.5HDKCB-11506 Specifications Sheet
12.5HDKCB-11506 Owner's Manual 12.5HDKCB-11506 Owner's Manual
12.5HDKCB-11506 Install Guide 12.5HDKCB-11506 Installation Manual

Product Reviews

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  1. Great RV Generator. Cummins Onan QD12500 12.5kW Diesel RV Generator

    5 star rating Product Review Rating: 5/5

    Posted by on Jun 11, 2015

    There is only one name in RV Generators as far as I am concerned and that is Cummins Onan. Bottom line is that they last. I am 20+ RV users and I have always had Cummins RV generators. AP Electric had the best price so I bought it from them. Shipping was extremely fast.

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