Unique System

We repair/sell Allison, ZF and Twin Disc transmissions along with pumps, plates and any related parts for these transmissions. We also can add speakers, GPS, and any extras along with minor repairs to your personal boat.

Sewart Supply, based in Morgan City, LA, is a prominent provider of marine gears & transmissions, specializing in hydraulic fracturing pressure pumping. For over 50 years, it has been a leading distributor and support center for Twin Disc products in the United States. The company offers a wide range of services including remanufacturing, parts & services, and an exchange program. With a team of over 40 factory-trained technicians across strategic locations, Sewart Supply ensures top-notch customer service and products for marine, industrial, and oil & gas applications. Known for its expertise in propulsion control, powershift transmissions, and electronic control technology, Sewart Supply continues to innovate in the field of transmission & propulsion technology. Its focus on quality, reliability, and industry-leading solutions has solidified its reputation in the market. Generated from the website content

Sewart Supply Inc. is a provider of products and services for propulsion systems of all segments of the marine industry in the United States. The company provides a wide range of components and packages to commercial fishing vessels, passenger vessels/ferries, commercial oil field vessels, pleasure craft and assorted military patrol craft. It also repairs, remanufactures and provides parts service for all the products it sells. Based in Morgan City, La., the company serves customers across the Gulf Coast region with three locations throughout the southeast United States. Sewart Supply Inc. is an authorized distributor for brands, such as TwinDisc, Ingersoll-Rand Air Starters, Hamilton Jet and Omega Thrusters.