What fuel types are compatible with Cummins Onan generators?

Asked 2 years ago
Cummins Onan generators are compatible with several fuel types, offering versatility to meet varying power needs. The most commonly used fuel type is gasoline, which is prevalent in many portable generators, providing ease of access and convenience for consumers. Additionally, Cummins Onan generators can operate on diesel fuel, which is particularly favored for larger applications due to its efficiency and longevity. For those interested in more environmentally friendly options, propane is often available as a fuel type for select models. This gaseous fuel offers clean burning properties and can provide long storage life without the degradation seen in liquid fuels. Furthermore, natural gas is compatible with certain Cummins Onan models, making it suitable for applications where a steady supply is accessible. Users are encouraged to refer to the generator's specific documentation for accurate fuel compatibility and performance information. For detailed specifications and features, it would be beneficial to visit the current Cummins Onan website.
Christian Allen is the editor / author responsible for this content.
Answered Jul 20, 2025

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