Portable Generators for Sale
Looking for power generation that goes wherever you do? At Colorado Standby, we offer a wide selection of portable generators for sale, including inverter generators, gasoline-powered models, and diesel or dual fuel options—all designed to deliver dependable energy for work, travel, or emergency backup.
Whether you need a powerful portable generator for the jobsite, a quiet inverter model for your RV, or just something to have on hand for home backup, we have the equipment to match. Choose from various wattages, amp ratings, and both air-cooled and liquid-cooled systems to meet your exact requirements.
Our reliable portable generators combine performance and flexibility—ideal for construction crews, outdoor events, off-grid living, or anyone who needs power on the move. Built for rugged use and easy transport, these units offer peace of mind when you need it most.
Explore our collection of convenient, compact options find the perfect match for your setup. Not sure which model is right for you? Contact the experts at Colorado Standby—we’re happy to help you choose the best portable generator for your needs.
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Find the Right Replacement Generator Parts
Generators are essential for uninterrupted power, and having the right components is key to long-term performance. Our selection includes:- Fuel System Parts – Keep your generator running efficiently with replacement fuel filters, injectors, and pumps.
- Voltage Regulators & Control Boards – Ensure stable power output with high-quality regulators and electronic controls.
- Cooling System Parts – Prevent overheating with radiators, water pumps, and cooling fans.
- Battery & Electrical Components – From starters to alternators, we carry the parts needed for smooth operation.
Shop Generator Parts Online with Confidence
When you buy power equipment parts from Colorado Standby, you get:- Top-Quality Products – Sourced from trusted manufacturers for long-lasting performance.
- Expert Support – Our knowledgeable team can help you find the exact replacement generator parts you need.
- Fast Shipping – Get critical components delivered quickly to minimize downtime.
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Showing 1–12 of 61 results
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300047
Cummins Onan P2500i 2500W Digital Inverter Gasoline Portable Generator (A058U944)
This generator is a great option because inverter generators operate more efficiently than a conventional generator because they save energy and fuel by running at a slower speed. This doube insulated generator is ultra quiet and durable. Additional features include that it is parallel capable, lightweight and has built-in USB ports to allow you to charge personal electronics. Additionally, it comes with a 3- Year Warranty and lifetime tech support; and it is EPA, USFS and CARB compliant. Cummins Portable Generators are your perfect power solution!
Have more questions? Not sure if this will meet your needs? Colorado Standby has an expert looking forward to answering your questions! Call us today at 866-888-6111.
- Watts or kW: 2.5
- Rated Amps: 0-5
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300048
Cummins Onan P4500i 4500W Digital Inverter Gasoline Portable Generator (A074Z436)
This portable generator brings convenience to a whole new level! Featuring a push button and remote start with a telescoping handle and heavy-duty wheels that make it easy to tote around. This inverter portable generator is parallel capable to ensure you can have all the power you need. It is double insulated making it quiet and it is built to last. It comes with a 3-Year Warranty, Lifetime Tech Support, EPA, USFS and CARB Compliant.
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- Watts or kW: 4.5
- Rated Amps: 0-5
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300614
Cummins Onan P4500idf 4500W Digital Inverter Gasoline Portable Generator (A04Z437)
This portable generator brings convenience to a whole new level! Featuring a push button and remote start with a telescoping handle and heavy-duty wheels that make it easy to tote around. This inverter portable generator is parallel capable to ensure you can have all the power you need. It is double insulated making it quiet and it is built to last. It comes with a 3-Year Warranty, Lifetime Tech Support, EPA, USFS and CARB Compliant.
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- Watts or kW: 4.5
- Rated Amps: 0-5
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300049
Cummins Onan P9500df 9500W Dual Fuel (Gas/LPG) Portable Generator (A058U967)
- Push Button & Remote Start
- Long Lasting Power
- Duel Fuel – Easily Switch from gas to propane with just a click.
- 3-Year Warranty – Lifetime tech support, EPA, USFS and CARB Compliant.
- Watts or kW: 9.5
- Rated Amps: 10-Jun
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Please use the Request Quote button above to add the item to the Quote Basket. Once you are finished adding items you can view the Quote Basket by clicking on the cart dropdown in the main menu at the top of the page.
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Please use the Request Quote button above to add the item to the Quote Basket. Once you are finished adding items you can view the Quote Basket by clicking on the cart dropdown in the main menu at the top of the page.
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Please use the Request Quote button above to add the item to the Quote Basket. Once you are finished adding items you can view the Quote Basket by clicking on the cart dropdown in the main menu at the top of the page.
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Please use the Request Quote button above to add the item to the Quote Basket. Once you are finished adding items you can view the Quote Basket by clicking on the cart dropdown in the main menu at the top of the page.
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Please use the Request Quote button above to add the item to the Quote Basket. Once you are finished adding items you can view the Quote Basket by clicking on the cart dropdown in the main menu at the top of the page.
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Please use the Request Quote button above to add the item to the Quote Basket. Once you are finished adding items you can view the Quote Basket by clicking on the cart dropdown in the main menu at the top of the page.