If you can dream it, we can do it! Be Hip or Be Late!
Automatic Transmission Design, Inc. is a full-service automotive repair shop located in Germantown, WI, just minutes from Milwaukee. We are proud to serve all of Southeastern Wisconsin, as well as national and international customers. Our team of experienced technicians specializes in automatic and manual transmission repair and service, transfer case/four-wheel drive repair, differentials/rear ends, and other drivetrain service. We are also proud to offer custom services for classic, collector, and custom cars. If you can dream it, we can do it!
Our Services
At Automatic Transmission Design, Inc., we are dedicated to providing top-quality automotive repair and service. We offer a wide range of services to meet the needs of our customers, including:
- Automatic and manual transmission repair and service
- Transfer case/four-wheel drive repair
- Differential/rear end repair
- Custom service for classic, collector, and custom cars
- High performance racing transmission, torque converter, and valvebody manufacturing and building for drag racing, off-road racing, circle track racing, and more
All of our racing torque converters are hand-assembled in-house by a trained technician to match your specific engine and application needs. We do not sell off-the-shelf pieces, as we believe in providing custom solutions for our customers.
High Performance Racing Transmissions
Automatic Transmission Design, Inc. is a leader in the manufacturing and building of high performance racing transmissions. We offer a wide range of transmission options to suit your specific needs, including close ratio gearsets for ultra-close Turbo 400 ratios that rival those of a manual transmission. Our transmissions are built to withstand the demands of high performance racing, and are hand-assembled by our team of experienced technicians.
Custom Service for Classic, Collector, and Custom Cars
At Automatic Transmission Design, Inc., we are passionate about classic, collector, and custom cars. We offer custom service for these unique vehicles, and are dedicated to providing the highest level of quality and service. Whether you need transmission repair or service, or are looking for a custom solution for your one-of-a-kind car, our team is here to help.
Contact Us
If you have any questions, or would like to learn more about Automatic Transmission Design, Inc. and our services, please do not hesitate to contact us. We are always happy to help, and look forward to serving your automotive repair and service needs.

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