Thank you for browsing our web site. Hydramatic Sales has been proudly serving the Dedham area since 1957. Hydramatic Sales is a family owned business. We service all makes and models of cars and light trucks. Automatic and standard transmissions, clutches, 4×4 repairs, fluid and filter changes, transmission power flush, are some of the repairs that we provide. We offer nationwide warranties at no additional charge. Additionally we offer a free road test and diagnosis. We are a member of the ATRA (Automatic Transmission Rebuilders Association), and ATSG (Automatic Transmission Service Group).