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PSI is powering a greener future, one engine at a time.

World Class Products

PSI provides integrated turnkey powertrain solutions to original equipment manufacturers in the industrial, construction, agricultural, and on-road markets and offers a complete line of fuel-flexible, low-emission engines ranging from .97-Liters to 22-Liters of displacement. See what we do.

Cleantech Innovator

PSI makes adapting easy with fuel-flexible, emission certified engines to meet the demands of every application. PSI is one of the largest providers of industrial gas and alternative fuel engines in North America and has over 20 years of experience serving emission control system solutions. Learn about PSI.

Customer Focused

Buying engines isn’t only about power and torque, it’s about value, performance, durability and reliability to your end customer. At PSI building custom power systems is what we’re all about. We take engines and transform them into ruggedized power systems that are ideally suited to their end use application. Value added solutions.


PSI Designs, Engineers & Manufactures Emission-Certified, Alternatively-Fueled Engines & Power Systems

Power Solutions International, Inc. (PSIX) provides integrated turn-key engine and power solutions to leading global original equipment manufacturers in the industrial, off- and on-road markets. Our unique in-house design, prototyping, engineering and testing capacities mean we can customize clean, high-performance engines that run on a wide variety of fuels including natural gas, propane, biogas, gasoline, or hybrid systems to meet and exceed applicable environmental standards. Learn more about us…