Cummins Onan RV Generators: The Leader from Day One

Cummins Onan RV generators are built by Cummins Power Generation, the global leader in generator design and construction. For nearly 80 years, our generators have been providing reliable stationary and portable power for cities, hospitals, shopping centers, military vehicles and fire engines around the world.

When mass production of RVs was in its infancy back in the 1960s, Onan led the way in reliable mobile power. Today, Cummins Onan offers the most diverse lineup of RV generators in the industry. From Gasoline, LP and Diesel units through our new inverter portable models, only Cummins Onan offers the most complete line of generators designed specially for all motorized and tow-able RV applications.


Cummins Onan RV generators are designed to enhance the RV experience. Quiet operation, compact configuration and easy servicing are the hallmarks of our industry-leading generators. This starts at the design stage where our engineers put over 100,000 hours into developing each new model. Every part is designed and built by Cummins Onan specifically to provide the most efficient, quiet and reliable power.

Special care is taken with each RV generator to ensure it provides the quality power required by delicate electronics and appliances. From the smallest gasoline model to the newest diesels with pure sine wave output, Cummins Onan-installed generators meet or exceed the RV industry’s power quality standard. Whether you’re using a toaster or a laptop computer, you can trust your Cummins Onan generator to deliver consistent, quality power.

The compact configuration of an RV generator from Cummins Onan means having more room for your gear and greater payload capacity. Quality construction helps reduce noise and vibration so you can live in harmony with nature and sleep comfortably through the night. This commitment to engineering for exceptional performance gives our generators the competitive edge. Only Cummins Onan generators are smaller, lighter, quieter and better for RV use.

Whether dry camping in a remote location or enjoying time with friends at a campground, your generator’s operating noise can make or break your fun times.

That’s why Cummins Onan puts special effort into designing RV generators that provide the lowest operating noise levels available today. This includes advanced enclosed mufflers and cast bases on larger models that provide a solid foundation for reduced vibrations. Extensive testing during the design phase helps produce operating sound levels that are as low as possible for an improved RV experience.


Cummins Onan RV generators continue to provide rated power on even the hottest days and at high altitudes. Internal combustion engines can suffer power output losses of up to 1% for every 10°F increase over 85°F ambient temperature and 3.5% power loss for every 1,000-foot increase in altitude.

Cummins Onan RV generators are built with adequate power margin to maintain performance under these conditions. This is an important distinction when considering which generator to buy. So whether your travels take you to desert heat or high in the mountains, know that your Cummins Onan generator is built to out-perform the competition.


Cummins Onan RV generator owners are supported by the largest service network in the business – over 1,000 dealers, more than 130 Cummins Distributor locations and 39 Coach Care RV service network locations in the U.S. and Canada.

Every Cummins Onan generator comes with an industry-leading 3-year/2,000-hour limited warranty. This coverage can be extended to five years and may be transferred from the original owner to the next if the RV is sold during the warranty period.


Cummins Onan has recently introduced the new Hybrid Quiet Diesel power system, which combines and manages the three sources of RV electrical power – generator, batteries and shore power – for an improved RV experience. The result is a unique new power system that is lighter, quieter, more fuel-efficient and easier to operate.

The Hybrid Quiet Diesel (HQD) system includes a transfer switch, inverter and power unit, all controlled through a single display located inside the RV. It is engineered to simultaneously combine the output of the power unit/generator with power from the coach batteries, routing it through a large new Cummins Onan-designed inverter to produce up to an 18 kW output. Two model sizes are available – 8/10 and 12/18.

The company also recently introduced its new EC-30W generator autostart system, which works with nearly every current Cummins Onan generator and that can be easily installed by the RV owner in about 10 minutes. The wireless control module allows hand-held generator management, easy programming of quiet times and even auto-start RV interior cooling through its built-in thermostat. The EC-30W is available from RV dealers and accessory stores.

Because it provides the best combination of engineering, performance, model choice and nationwide support, when you choose a Cummins Onan RV generator to power your travel adventure, you’ve chosen the best. For more information on the full line of generators, accessories, parts and service, visit our website at