ORLANDO, Fla., Nov. 11, 2013 (GLOBE NEWSWIRE) -- Power Solutions International, Inc. (Nasdaq:PSIX), a leader in the design, engineering and manufacture of emissions-certified alternative-fuel and conventional power systems, today announced that the Company will present its new Heavy-Duty engine lineup at the 2013 POWER-GEN International Trade Show, November 12-14 in Orlando, Florida. Power Solutions International ("PSI") will also feature Perkins 4000 Series high-horsepower engines that extend up to 61-liters of displacement, as well as new enhancements to PSI's existing heavy-duty engine line.

"We are excited to present an expanded engine line-up that now ranges from .97-liters up to 61-liters," said Jeremy Lessaris, Director of Marketing, PSI. "We look forward to new growth opportunities as we meet the demand for natural gas driven power generation."

Lessaris noted that the new high-horsepower engine display is the result of PSI's subsidiary, Power Great Lakes, recently being appointed a "4000 Series Gas Center of Excellence" by Perkins Engines. This appointment provides Power Great Lakes the rights to sell, customize, install, and support the Perkins 4000 Series high-horsepower gas engines in North America.

In addition to showcasing the Perkins 4000 series engines, PSI will display its updated 11.1-liter, 14.6-liter and 21.9-liter Heavy-Duty engines, as well as its .97-liter, 5.7-liter, 6.0-liter and 8.8-liter engines.

The next generation of PSI's Heavy-Duty engine line incorporates a wide range of enhancements for prime and continuous power, including advanced controls, brushless alternators, dual fuel auto switch-over, and serpentine, self-tensioning belts. The 11.1-liter engine is equipped with enhancements for oil and gas applications, including a UL Class 1 Division 2 safe ignition system and an advanced controls system optimized for changes in fuel.

PSI will present its heavy-duty and industrial engines in booth number 1912 at the 2013 POWER-GEN International Trade Show, taking place November 12-14 at the Orange County Convention Center in Orlando, FL.

About Power Solutions International, Inc.

Power Solutions International, Inc. (PSI) is a leader in the design, engineering and manufacture of emissions-certified, alternative-fuel power systems. PSI provides integrated turnkey solutions to leading global original equipment manufacturers in the industrial and on-road markets. The company's unique in-house design, prototyping, engineering and testing capacities allows PSI to customize clean, high-performance engines that run on a wide variety of fuels, including natural gas, propane, biogas, diesel and gasoline.

PSI develops and delivers complete .97 to 22 liter power systems, including the new 8.8 liter engine aimed at the industrial and on-road markets, including: medium duty fleets, delivery trucks, school buses and garbage/refuse trucks. PSI power systems are currently used worldwide in power generators, forklifts, aerial lifts, and industrial sweepers, as well as in oil and gas, aircraft ground support, agricultural and construction equipment.

CONTACT: Jeremy Lessaris

         Director of Marketing & CommunicationsPower Solutions International

         +1 (630) 350-9400

         jlessaris@psiengines.com

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