text:  Harford County Transmissions and Automotive is your trusted and proven auto service center. Their service has a five-star rating in Harford County, and they specialize in transmission rebuilds, auto repairs, diagnostics, and maintenance. Harford County Transmissions and Automotive has the expertise to diagnose your vehicle's problem and fix it at an affordable price. Call Chris and Jim at 410-420-6500 or visit harfordcountytransmissions.com to make an appointment. Harford County Transmissions and Automotive.