The Cummins Onan RV generator is generally well-received by customers, notes AP Electric and Power Equipment Direct. Customers usually rate all models purchased with a four-star review or higher. The most well-reviewed model is the Cummins Onan RV QG4000 gasoline generator.
Cummins offers both diesel and gasoline models, but the diesel generators have fewer reviews, possibly due to a lower need for this type. The high-rating QR4000 is a 4-kilowatt generator that works on fifth wheels, travel trailers and sport utility trailers. A sound attenuating enclosure helps keep the generator quiet during operation. Customers also like the 1/2 gallon per hour at 1/2 power fuel efficiency, as stated on Power Equipment Direct.