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 1,500V plant architectures configured for your particular specifications.

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

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

  • 7 locations conveniently situated throughout the region
  • Factory-trained staff and technicians dedicated to your satisfaction
  • Local field service ready 24/7 for on-site assistance
  • Product operation and maintenance training and more


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.

Cat® Home & Outdoor Generators

Performance at your fingertips. Cat’s collection of premium features sets the RP Series apart from its peers.

  • Class-leading number of power outlets for maximum usability
  • Premium Class-H insulation for better performance in tough conditions
  • Durable, anticorrosion-treated steel fuel tank with fuel gauge for 11 to 15 hours of run time, depending on model
  • Never-flat wheels with bolt-through axles that won’t bow or break
  • Fuel-efficient overhead valve engine engineered with heavy-duty liners
  • Muffler heat shielding for safety
  • Everything you need to start the engine is on one side
  • Accessible air filter, fuel and oil drains
  • Manual fuel shutoff prevents leaks and keeps fuel from getting trapped and spoiling in the generator
  • Automatic voltage regulators (AVR) designed to control and regulate the output voltage regardless of the load

Us the sizing calculator to find the right Cat Generator for you.

Click here for more information on Cat portable generators.

Click here to contact your local Quinn Sales representative.

Engineered Solutions

No matter the project size, the experienced and dedicated Quinn Power Systems’ staff will deliver the right solution for the right cost.

  • Upfront Engineering Support – Sizing, Drawings, Equipment Selection, Codes
  • Seismic
  • Project Management
  • Dedicated Commissioning Group
  • Emergency Standby
  • Prime Power – Cogeneration, Peak Shaving, Biogas
  • Emission Solutions
  • Off Road Stationary
  • Portable Diesel Equipment
  • Project Financing
  • Warranty
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

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 Systems services.

Contact your local Quinn Power Systems representative for more information.

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