HEI has a keen eye for detail and quality products and that's why when it comes to Power Assemblies we are proud to offer our sister company, Unipar, LLC.'s Power Assemblies. Unipar occupies a 40,000 sq. ft . facility located in St Louis, MO, specializing in EMD engine components, with emphasis on the EMD Power Assembly. For over 30 years, Unipar has supplied precision built Power Assemblies to Rail, Marine, and Industrial customers worldwide. We have the capability to produce Power Assemblies in almost any configuration (all new, all remanufactured, or a combination of both). Experienced technicians, time tested processes, specialized machinery, and multiple testing stations enable us to maintain the highest standards in the industry. Our Quality System is certified under the AAR-M1003 Specification. For more information about Power Assemblies from Unipar, please don't hesitate to contact us.