Power Systems

With the demand for power solutions as high as ever, choosing a company you can trust to supply your power systems is critical. Caterpillar has manufactured efficient, high-performance generators and other power solutions for decades. From powering telecommunications and data centers to delivering backup power to hospitals and schools, Caterpillar provides the equipment that organizations rely on most.

At Quinn Company, we offer a comprehensive range of new Cat® power equipment for various power systems.


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Comprehensive Power Systems Equipment Sales

As a full-service source for power system solutions, Quinn Power Systems is home to a variety of equipment to keep your system running and protect your data no matter the situation. We carry uninterruptable power systems — switchgear and paralleling controls and ATS ATC breakers and contactors to ensure you remain productive and compliant to avoid fines and loss of productivity. We can also deliver a photovoltaic module microgrid compatible with 1000V and 1500V plant architectures configured for your particular specifications.

New Gensets for Sale From Caterpillar

Caterpillar engineers design industrial and commercial generators with enhanced safety, maximum performance and superior reliability in mind. Regardless of your size demands or regulatory requirements, Quinn Company offers multiple solutions to get the job done right. Our inventory of new generator sets for sale features diesel and gas models in various voltages, power ratings, speeds and operating frequencies.

Our generator set inventory contains various mobile designs that deliver power for applications like emergency response, road work and construction, manufacturing, oil and gas, and mining. We also offer marine generator sets with options meeting the most strict emissions regulations.

Whether you require a commercial generator, an EPA-certified generator for stationary use or a heavy-duty generator set for standby service, we have the options to handle your needs. With an industry-leading operating range of 8.2 to 6100 kilowatts, Cat engines are powerful enough to control the harshest operational environments while providing the flexibility to work in nearly any application. Our knowledgeable and experienced sales team can help you find a model configurable to your specific application.

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Benefits of Choosing Cat® Industrial and Commercial Generators

The benefits of choosing a Cat power system include:

  • Designs capable of meeting nearly any emissions standards
  • Fuel type options including diesel, gas and hybrid systems
  • Low fuel consumption and minimal maintenance costs compared to other brands
  • Eco-friendly, spill-proof and sound-attenuating enclosures

Advantages of Partnering With Quinn Company for Cat Industrial and Commercial Generators

When you purchase a backup power generator or any of our other commercial or industrial power systems, you benefit from the superior service and support you’ve come to expect from a Cat dealer. We provide a variety of flexible financing options, including Cat Commercial Credit Accounts and no money down leases, to make your purchase as affordable as possible. Our highly skilled power system technicians can perform efficient repairs and maintenance, including 24-hour service for emergencies.

From extended warranties and equipment maintenance contracts to complete parts, services and accessories, we’re the one-stop shop in Central and Southern California.

Additional benefits of choosing Quinn Power Systems for generators for sale include:

  • Seven locations conveniently situated throughout the region
  • Superior product knowledge and technical expertise
  • Factory-trained staff and technicians
  • Local field service ready 24/7 for on-site assistance
  • Comprehensive warranties and extended coverage options
  • Product operation and maintenance training
Cat® Generators – 25kW to 4,000kW

Quinn Power Systems is the only factory-authorized seller of Cat® generators in Central and Southern California. Our products include Cat diesel and natural gas generator sets in all ranges that lead the industry in performance and reliability. Check out our new electric power generation models here. We also have a large number of used Cat generators for sale – check our inventory online.

Diesel & Gas Power Generation

Quinn Power Systems offers single-engine packages ranging from 25kW to 4,000kW, and can be paralleled for higher kW output or redundancy. Standby gas and diesel generators, prime power gas and diesel generators, and combined heat and power (cogeneration) solutions are Quinn’s specialties.


Engineered Solutions
Electric Power Equipment
  • 40 – 4,000 kW Diesel
  • 25 – 4,000 kW Gas – Off-road, Stationary, or Portable Diesel Equipment
  • Industrial Engines – Diesel or Natural Gas, Booster Pumps
  • Marine Engines and Generators – Commercial and Pleasure Craft
  • Transfer Switches – Automatic, Manual
  • Paralleling – Custom Switchgear, Onboard
  • Emission Control
  • Accessories – Enclosures, Fuel Tanks, Load Banks

Get more information on Healthcare Industry, Residential, and Small Commercial Building Generators. 

Industrial Engines

Quinn Power Systems serves the California area from the San Joaquin Valley to Orange County with Cat Industrial engines, related accessories and capabilities from installation to maintenance. We offer Cat Industrial engines rated at:

  • C0.5 (11 hp) to 3,616 (6,598 hp) in our Diesel line up
  • G3,304NA (95 hp) to G12CM34 (8,180 hp) in our Gas group
  • C18 ACERT (600 hp) to 3,516 (1,985 hp) in our Fire Pump engines

Click here for more information in industrial engines.

Automatic Transfer Switches (ATS)

Quinn Power Systems offers a broad range of switch products positioned to support any type of emergency power application. Closed transition and bypass/isolation switches are also available.  

Get more information on ATS MX Contactor & ATS ATC Breaker

Cat Remote Power System Monitoring

Reduce the risk and maximize your performance – remotely. Cat’s Remote Power System Monitoring allows remote monitoring and control, alarm notification, reporting and system tests/runs. Connect to your system and monitor from anywhere, anytime; available for single or multiple sites.

Cat Marine Engines

Quinn power Systems supplies Cat commercial and pleasure craft propulsion engines from 63 to 9,652 brake horsepower. Our engine offering is complemented by a full line of marine generator sets from 13 to 4,840 kW at 60 HZ. We also offer Marine Parts and Marine Service support with a fleet of dedicated marine field service vehicles to provide dockside repair, maintenance , and overhaul on all makes and models of marine engines. 

Get more information on marine engines & generator sets.

Get more information on Work Boat & Commercial Engines and Pleasure Craft & Personal Marine Engines.

Installation & Startup

Count on Quinn Power Systems to get you equipment or integrated system up and running – quickly and efficiently. Our factory trained technicians are top in the industry, and are knowledgeable in safety standards and local codes to ensure a proper installation.

New Industrial and Commercial Power Systems

Whether you work in general construction, marine, industrial, healthcare or virtually any other industry, where would your business be without a consistent and reliable source of power? Whether you need portable backup power systems for remote applications and emergency response or a facility generator to power your manufacturing operation, it pays to have a trusted source for everything you require. Quinn Power Systems offers an extensive selection of quality commercial and industrial power systems manufactured by Caterpillar® and other leading Name brands for a solution that efficiently meets your requirements.

Quinn Power Systems has provided world-class commercial power generation systems to California for decades. We supply emergency, standby, and prime power systems to hospitals, data centers, telecommunications sites, utilities, treatment plants, schools, high rises, and high-tech manufacturing centers. We’re leaders of Electric Power Generation, Uninterruptable Power Supply (UPS), Switchgear, and Automatic Transfer Switch (ATS) solutions.

Cat® Electric Generators

Caterpillar is known throughout the industry for manufacturing innovative power generators designed to deliver optimal safety and productivity while meeting your stringent emissions requirements. As the authorized Cat dealer for Central and Southern California, Quinn Power Systems offers an exclusive selection of new generators for sale that set the standard for quality, reliability and durability. No matter the size or shape, applications or regulatory environments, we’re capable of providing electric power equipment suited to your specifications.

Cat emergency power systems, standby generators, primary power units and facility generators offer exceptional serviceability and low long-term maintenance requirements. You benefit from sound-attenuated enclosures that reduce noise levels and scalable control platforms that ensure your power systems operate smoothly and efficiently. From industry-leading motor starting capabilities to myriad options in generator accessories, nothing compares to the power and performance of legendary Cat electric power equipment.

Our selection of generators for sale includes:

  • Standby generator sets rated from 11.2 to 4,000-ekW available in natural gas or diesel fuel types suitable for prime, continuous or backup power applications
  • Diesel commercial power generators with ratings from 13 to over 17,000-kW offering exceptional fuel economy with models certified for stationary emergency, stationary non-emergency and non-road mobile use
  • Gas backup commercial generators from 20 to 9,700-ekW offering unmatched transient response and steady state performance with integrated controls, exhaust systems, fuel train, combined heat and power skids and switchgear
  • Portable Cat emergency generators from 20 to 2,000-kVA power ratings with the mobility and durability to ensure you’re able to run remote operations and respond to emergencies and unexpected outages

Where to Buy Cat Generators in California

Quinn Company's operations stretch across Central and Southern California. Our service area covers more than 75,000 square miles while representing almost half of the entire state of California. Besides offering an extensive selection of new power systems, we are the region's premier supplier of other heavy equipment solutions, from earthmoving machinery to agricultural equipment to lift trucks.

Find power equipment for sale and rent at these locations:

Contact Us About Professional Power Systems Today

Since 1919, Quinn Power Systems has been a trusted source for the equipment and services needed to grow your business. Submit an online contact form, give us a call or visit us at the location nearest you to request to speak with a knowledgeable representative. We will be happy to answer all your questions and provide a free quote on an emergency power system, backup genset, uninterruptible power system or any other product in our inventory.

Download our Power Systems brochure and learn more about Quinn Power System services.

Contact your local Quinn Power Systems representative for more information.

Find a Quinn location near you

Our machinery and equipment company serves central & southern California, with customized solutions that drive progress. Contact the Quinn Company division you need for a free quote.