For more than four decades, vehicle owners throughout Dover, Delaware, and the surrounding areas have trusted Benchmark Transmission for affordable transmission services. Rely on our ASE-certified team to get your automatic or standard transmission in proper working condition. Offering Nothing but the Best: Since our shop was established in 1967, we have provided nothing but the best when it comes to transmission services. From complete rebuilds to expert rear differential repairs, trust us to get the job done correctly. Stop by today to see why our customers praise our work.