New & Used Generators For Sale
Immediate Availability on 350+ Units
With 50+ years of expertise, Generator Source is a trusted provider of industrial and commercial generator solutions, offering sales, service, and rentals from our headquarters in Colorado and locations across Florida and Texas. Explore our full-service capabilities in generator service and sales for leading brands to keep your operations running smoothly.
Buy a Generator
Browse 350+ new, used and surplus industrial generators available now and ready to ship.
Sell Your Generator
Generator Source buys your used industrial and commercial generators (20 kW-4000 kW).
Service / Maintenance
From preventive maintenance to full engine rebuilds, Our certified technicians have you covered.
Generator Rentals
Need short-term power? Our rental units, available in various styles and voltages, are ready to deploy.
New Arrivals – New & Used Diesel Generators
Check out the latest additions to our huge inventory of generators including top-tier brands like Caterpillar, Cummins, Kohler, Generac, MTU, Volvo, and Doosan. Every generator is inspected, serviced, and has passed our 31-Point Certification process and is available now and ready to ship.
Showing 13 of 13 results
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Three-Phase
Fuel: Diesel
Built: 2006
Volts: 277/480v
Hours: 464
Unit #: 092939
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Price: $12,500
Single-Phase
Fuel: Diesel
Built: 2025
Volts: 120/240v
Unit #: 092955
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Price: $12,500
Single-Phase
Fuel: Diesel
Built: 2025
Volts: 120/240v
Unit #: 092956
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Price: $12,500
Single-Phase
Fuel: Diesel
Built: 2025
Volts: 120/240v
Unit #: 092957
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Price: $12,500
Single-Phase
Fuel: Diesel
Built: 2025
Volts: 120/240v
Unit #: 092958
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Price: $12,500
Single-Phase
Fuel: Diesel
Built: 2025
Volts: 120/240v
Unit #: 092959
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Price: $12,500
Single-Phase
Fuel: Diesel
Built: 2025
Volts: 120/240v
Unit #: 092960
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Price: $12,500
Single-Phase
Fuel: Diesel
Built: 2025
Volts: 120/240v
Unit #: 092953
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Price: $12,500
Single-Phase
Fuel: Diesel
Built: 2025
Volts: 120/240v
Unit #: 092954
Immediate Availability
Browse our 350+ in stock and ready to ship industrial generators. We carry top brands like Generac, CAT, Cummins, Rehlko (formerly Kohler) and many many more.
Major Generator Brands
| Brand (click to open) | Key Industries | Key Differentiators | Primary Fuel | Available Units | Spec Sheets |
|---|---|---|---|---|---|
 | Construction, Mining, Oil & Gas, Data Centers, Utilities | Rugged Durability & Global Support: Renowned for withstanding harsh environments with an extensive global dealer network for service. | Diesel, Natural Gas, Bi-Fuel | Spec Sheets | |
 | Data Centers, Healthcare, Manufacturing, Commercial Buildings | Integrated Power Systems: All major components (engine, alternator, controls) are designed and built by Cummins for seamless integration. | Diesel, Natural Gas, Propane | Spec Sheets | |
 | Ag & Farming, Commercial, Construction, Telecom | Scalability & Diverse Fuel Options: Offers a wide range of modular power systems with a strong focus on natural gas and bi-fuel options. | Natural Gas, Diesel, Propane, Bi-Fuel | Spec Sheets | |
 | Construction, Healthcare, Data Centers, Marine, Hospitality | Customization & Advanced Controls: Known for highly customized, mission-critical solutions with advanced digital controls and paralleling switchgear. | Diesel, Natural Gas | Spec Sheets | |
 | Data Centers, Healthcare, Airports, Marine | High-Performance & Power Density: A Rolls-Royce brand known for precision engineering, high power density, fuel efficiency, and low emissions. | Diesel, Natural Gas | Spec Sheets | |
 | Construction, Entertainment, Cold Storage/Retail | Quiet, Portable & Versatile: Excels in providing portable and mobile power solutions designed for easy transport in demanding, temporary applications. | Diesel, Gasoline | Spec Sheets |
24/7 Emergency Service
From preventive maintenance to full engine rebuilds, our certified technicians have you covered. Our rental generators ensure uninterrupted power during any service or outage.
What They’re Saying
Key Industrial Sectors
Your business can’t afford downtime. We specialize in providing customized standby and prime power solutions for a diverse range of industries. Each sector has unique demands, and we have the expertise to deliver a generator system that meets your specific operational, regulatory, and financial requirements. Explore the industries we serve below:
Powering irrigation, storage, and essential farm equipment.
Safeguarding critical infrastructure and public services during outages.
Maintaining temperature-controlled environments for perishable goods.
Ensuring tenant safety and compliance with backup power regulations for multi-story buildings.
Powering heavy machinery, cranes, and essential tools on job sites.
Providing critical backup power for uninterrupted data operations.
Ensuring guest experiences remain unaffected during outages.
Ensuring continuous power for life-saving medical equipment.
Ensuring production lines and warehouse operations stay online.
Supporting critical operations in exploration, drilling, and refining.
Find Your Service Area
Still have questions or looking for more information?
Generator Source specializes in low-hour, used, new, and surplus generator sets. We have a wide variety of generator sizes and models to fit any project. We are not a broker, we own what we sell.
Call us today (877-866-6895) or click Contact Us to be connected with one of our experienced sales reps.
We have 350+ generators in stock and ready to ship!
