Cummins Onan RV Generators: They Should Just Run, Shouldn’t They?

Cummins Onan RV QG 2800 generator
Onan RV QG 2800 generator

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Cummins Onan (aka, Cummins Power Systems, since the early 1990s) nearly has a monopoly on the recreational vehicle (RV) market when it comes to generators. They still put just “Onan” on the machines themselves, and you will still see mention of Onan RV generators online and in print.

With the many years of experience that Cummins has had with these portable generators, you would think all their machines would work like a charm, wouldn’t you?

Many owners will take issue with that. Let’s see if we can find out why.

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