Rocky Mountain Generator Supply (RMGS) is the premier provider of top-notch Cummins Onan generators. As a Cummins Authorized Dealer, we are your ultimate destination for generator maintenance, repair, and sales. Whether you need a reliable generator for your RV, home, portable use, or food truck, RMGS has got you covered. Our extensive selection includes a comprehensive range of electric generator solutions to meet your power system needs. Choose from a variety of fuel sources, including natural gas, propane, gasoline, and diesel, ensuring that we have the perfect generator for you.