Power Solutions International, Inc. (PSIX) Stock

Power Solutions International, Inc. (PSIX) is a Industrials stock trading at $36.26 (as of 2026-08-20), with a market capitalization of $835.69M and a trailing P/E of 8.2. Figures are sourced from first-party U.S. SEC EDGAR filings and market data.

Power Solutions International, Inc. designs, engineers, manufactures, markets, and sells engines and power systems in the United States, North America, the Pacific Rim, Europe, and internationally. The company offers alternative-fueled power systems for original equipment manufacturers of off-highway industrial equipment and on-road vehicles; and large custom-engineered integrated electrical power generation systems. It also provides basic engine blocks integrated with fuel system parts, as well as complete packaged power systems, including combined front accessory drives, cooling systems, electronic systems, air intake systems, fuel systems, housings, power takeoff systems, exhaust systems, hydraulic systems, enclosures, brackets, hoses, tubes, packaging, telematics, and other assembled components. In addition, the company offers compression and spark-ignited internal combustion engines that run on various fuels, such as natural gas, propane, gasoline, diesel, and biofuels in the energy, industrial, and transportation markets. Further, it provides standby and prime power generation, demand response, microgrid, renewable energy resiliency, arbor equipment, and combined heat and power; forklifts, wood chippers, stump grinders, sweepers/industrial scrubbers, aerial lift platforms/scissor lifts, irrigation pumps, oil and gas compression, oil lifts, off road utility vehicles, ground support equipment, ice resurfacing equipment, and pump jacks; and light and medium duty vocational trucks and vans, school and transit buses, and terminal and utility tractors. The company has a strategic collaboration agreement with Weichai Power Co., Ltd. Power Solutions International, Inc. was founded in 1985 and is headquartered in Wood Dale, Illinois.

Understand Power Solutions International, Inc.: how it makes money

Power Solutions International designs and manufactures engines and power systems, selling alternative-fueled power systems to original equipment manufacturers of off-highway industrial equipment and on-road vehicles, and also selling large custom-engineered integrated electrical power generation systems (plus basic engine blocks and packaged power systems).

Because it sells manufactured, engineered power systems (alternative-fueled OEM systems and custom integrated electrical power generation systems), its profit model is structurally driven by delivering complex, customer-specific hardware through the OEM and project demand cycle.

Revenue by segment (latest quarter)
Power Systems Net Sales$0.1B

Business quality (Mixed): Clear product-and-customer focus (alternative-fueled OEM power systems, plus custom integrated electrical power generation) with operating margins that show some profitability, but the business mix implies results can be sensitive to execution and customer ordering patterns.

Valuation: At 9× earnings, PSIX trades 75% below the Machinery average (34×). Note: one-time items can distort reported P/E.

Bull case

  • Broad power-system offering tied to customer needs: It provides alternative-fueled power systems for OEMs and also supplies large custom-engineered integrated electrical power generation systems, alongside engine blocks and packaged power systems.
  • Engineered-to-application positioning: The company’s portfolio spans complete packaged systems (including cooling systems and combined front accessory drives) and custom integrated electrical power generation, which aligns with complex customer requirements.
  • Geographic reach: It sells across the United States, North America, the Pacific Rim, Europe, and internationally.

Bear case

  • Reliance on OEM and vehicle equipment demand: A meaningful share of the business is tied to alternative-fueled power systems for OEMs of off-highway industrial equipment and on-road vehicles, so industry order timing can affect revenue.
  • Execution complexity risk: Custom-engineered integrated electrical power generation systems and complete packaged power systems require complex delivery, which can increase operational execution risk versus simpler, standardized components.
  • Competitive pressure: It operates in the engine and power systems market, which typically involves competition for OEM platforms and custom power system projects.
Valuation — source: SEC EDGAR (first-party)
Price$36.26
Market Cap$835.69M
P/E Ratio8.2
EV / EBITDA7.9
Price / Book4.50
Price / Sales1.17
DCF Value (model)$119.34
DCF Upside vs Price229.2%
Profitability & Growth — source: SEC EDGAR
Revenue (TTM)$722.40M
Net Margin15.8%
Revenue Growth (YoY)-5.1%
EPS Growth (YoY)-61.4%
Financial Health — source: SEC EDGAR
Altman Z-Score5.23 (safe)
Piotroski F-Score6/9 (moderate)
Valuation vs Sector & Industry
Stock P/E8.2
Sector P/E (Industrials)25.9
Industry P/E (Machinery)32.3
vs Sector-68.4%
vs Industry-74.7%
Smart-Money Activity — SEC Form 4 / 13F / Congressional disclosures
Top Institutional HolderBlackRock, Inc. ($43.56M)
Institutional Holders Tracked10
Congressional Trades (recent)7
Company
SectorIndustrials
IndustryMachinery
CEOConstantine Xykis
Employees700
CountryUS
IPO Date2012-04-17

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PSIX earnings history · PSIX institutional & insider holders · PSIX KPIs & operating metrics · PSIX financials · PSIX investor presentations & press releases · PSIX SEC filings · PSIX peers · Congress trades · Insider trades · Short interest · Stock screener

Data as of 2026-08-20.

Figures sourced from U.S. Securities and Exchange Commission (SEC EDGAR) filings and market data. Not personalized investment advice.