Commercial Generator Customer Support
Largest Authorized Service and Parts Network.
We have the largest and best-trained worldwide certified Distributor/Dealer network in the industry, offering on-time parts and service, and installation assistance. Cummins Onan Distributor/Dealers stock and sell commonly used Cummins Onan genset maintenance parts, accessories and products, plus operator manuals and literature on current Cummins Onan generator sets. They can help you select and install the right generator or accessories on older models, or provide answers to questions on proper operation and maintenance procedures.
Extensive training and certification of Cummins Onan products demonstrates our strong commitment to exceptional product service and support. For further assistance, in the U.S. and Canada, call our toll free number, 1-800-888-ONAN. Or call 1-763-574-5000 or visit the sales and service locator to find your nearest location.
Commercial Vehicle Generator Manuals
Provide your model and spec letter to search for and download free generator set operator manuals. Also provides part numbers for Service, Installation and Parts manuals that can be purchased from your local dealer.
Commercial Vehicle Generator Warranty
Cummins Onan products have extensive warranty coverage that is completely transferable. View or download copies of our warranties.
Frequently Asked Questions
What is the single biggest issue with a genset installation? What is the difference between a generator that utilizes brushes and one that does not? Find the answers to these and other questions in the FAQ.
Generator Identification
When contacting a Cummins Onan Authorized Commercial Vehicle Service and Parts Dealer for service, maintenance or parts questions, always refer to the complete model, spec and serial number of your Cummins Onan Commercial generator set.
