WOOD DALE, Ill., March 27, 2013 (GLOBE NEWSWIRE) -- Power Solutions International, Inc. (OTCBB:PSIX), and Capacity of Texas, Inc. announced a collaboration to bring the attractive economics of natural gas engines to the medium-duty truck market. The alternatively-fueled PSI 8.8-liter, on-highway-certified engine will be used in Capacity's TJ5000 tractor, which is designed for warehouse and distribution applications. The two companies exhibited this option in the Capacity booth at the 2013 Mid-America Trucking Show (MATS), an annual forum for the heavy-duty trucking industry that took place March 21—23 at the Kentucky Expo Center in Louisville, Kentucky.

"PSI is broadening its range of medium- to heavy-duty truck offerings," said Jeremy Lessaris, Director of Marketing at PSI. "We are excited to continue that growth by collaborating with Capacity."

According to Lessaris, the high-performance, 8.8-liter "big block" replacement offers 20% across-the-board improvements in power and 15% better fuel-efficiency over its most popular alternative, the now-discontinued General Motors 8.1-liter.  PSI designed the engine to run on a variety of fuels, including compressed natural gas, propane, and gasoline. The PSI 8.8-liter provides 430 horsepower and 600 lb.-ft. of torque at 3400 RPM.

Dan Grohoski, Director of New Business Development for PSI, explained that medium- to heavy-duty truck markets are actively seeking engine replacements as existing big block inventories wind down.  "Up until now, most offerings compromised on power, efficiency or emissions reduction," Mr. Grohoski added. "The PSI 8.8-liter offers OEMs a totally integrated solution with no compromises."

Capacity's durable and functional TJ5000 tractor provides 81,000 pounds of gross combined weight capability and is designed for a wide variety of yard, warehouse and distribution applications.

"Capacity is a terminal truck design leader because we listen to our customers," said Phillip Ford, the President of Capacity of Texas.  "This collaboration with PSI helps us to continue pushing the cargo industry forward by offering cost-effective, alternative-fuel products that meet the demands of today's market."

PSI launched the 8.8-liter engine at the RVIA National RV Trade Show in November 2011. The 8.8-liter is capable of fulfilling power, efficiency, emissions and fuel-flexibility needs across a wide range of applications, including waste-hauling trucks, school buses, recreational vehicles, and medium-duty trucks.

About Power Solutions International, Inc.

Power Solutions International, Inc. (PSI) is a leader in the design, engineering and manufacture of emission-certified, alternative-fuel power systems. PSI provides integrated turnkey solutions to global original equipment manufacturers in the industrial off- and on-road markets. The company's 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 and gasoline.

PSI develops and delivers complete power systems with engines ranging from .97-Liter to 22-Liters of displacement, including the new 8.8-Liter engine aimed at the industrial and on-highway 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. For more information on PSI, visit http://www.psiengines.com.

About Capacity of Texas, Inc.

Capacity of Texas, Inc., has been serving the terminal tractor industry for nearly 40 years under the Trailer Jockey® brand. Capacity manufactures the Trailer Jockey® completely in-house and is solely focused on the manufacture and support of this product. Located in Longview, Texas, Capacity is a wholly owned subsidiary of Allied Specialty Vehicles, Inc, ("ASV") and is the largest American owned manufacturer of terminal tractors in North America, offering a full product line of terminal trucks used throughout the world. Capacity distributes products through a national and international authorized representative network. For a current listing of Capacity products and authorized representatives, visit www.capacitytexas.com.

CONTACT: Jeremy Lessaris

         Director of Marketing

         Power Solutions International

         Mobile:  +1 (630) 350-9400

         E-mail: jlessaris@psiengines.com

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