Chelsea is a Parker Chelsea division specializing in PTO systems and PTO accessories for heavy duty trucks and trailers. With their years of expertise, Chelsea understands that power take-off is crucial to handling power transmitting requirements for equipment operation. Their engineers design with the customer, innovation, and product performance in mind. As a result, they offer various solutions to meet the demands of a wide range of applications. Chelsea began in 1945 and joined Parker Hannifin in 2001, creating Parker Chelsea. Chelsea is currently based in Olive Branch, Mississippi.