Power Solutions International, Inc. is a global designer and manufacturer of integrated powertrain solutions for commercial vehicle, industrial and military applications. Headquartered in Wood Dale, Illinois, the company develops and assembles advanced diesel engine and transmission packages under the Atlas® brand, combining proprietary engine technology with high-efficiency transmissions to deliver power-dense systems. These solutions are tailored for medium- and heavy-duty trucks, buses, construction equipment, generator sets and specialty vehicles.
In addition to complete powertrain systems, the company offers a broad range of component products including diesel engines, transmissions and aftertreatment modules. Its aftermarket business supports customers worldwide with replacement parts, remanufactured units and technical support services aimed at maximizing uptime and prolonging equipment life. PSI’s engineering team also provides custom integration, testing and compliance assistance to meet evolving emissions regulations and performance requirements.
Founded in 1996, Power Solutions International has grown from a niche engine developer into a turnkey powertrain supplier, serving original equipment manufacturers (OEMs) and fleet operators in North America, Europe, Latin America and Asia. The company operates manufacturing and assembly facilities in the United States and Mexico, offering in-house machining, testing and quality assurance capabilities. Strategic partnerships with transmission suppliers and aftermarket distributors further extend its global reach and service network.
PSI’s leadership team is composed of industry veterans in engine design, manufacturing operations and global sales, reflecting the company’s emphasis on technical innovation and customer support. By integrating core powertrain components and streamlining system engineering, Power Solutions International aims to deliver efficient, reliable propulsion solutions that address fuel economy, emissions compliance and total cost of ownership for commercial and industrial end users.
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