Automatic Transmission Design

Automatic Transmission Design Let the pros at ATD take care of your needs today! ATD also manufactures high performance racing transmissions, torque converters, and components.

ATD offers complete drivetrain services for your vehicle, as well as high performance racing transmission, torque converters, and valve bodies suitable for Off-Road, Drag Racing, Circle Track, and more! Automatic Transmission Design is a full service automotive repair shop servicing Cars, Trucks, Vans/SUVs, Diesel Vehicles, Classic/Custom Cars, & Fleet Vehicles. ATD's performance transmissions and

converters are used in drag racing, off-road racing, circle track racing, road racing, and other venues. Automatic Transmission Design is capable of handling your vehicle's needs, whether the job is big or small. ATD offers FREE Diagnosis & Estimates, which includes an electronic diagnostic scan and test drive.

03/16/2026

❄️ Weather Update: We are Open with Limited Staffing ❄️
While our doors remain open, please be aware that we are operating with a skeleton crew and limited connectivity. We appreciate your patience as response times may be longer than usual.

"Ain't got no gas in it" or something like that. Severe weather has once again knocked us offline and in the dark. Some ...
03/13/2026

"Ain't got no gas in it" or something like that. Severe weather has once again knocked us offline and in the dark. Some calls may be answered remotely, otherwise we'll see you next week 🫡

We are currently experiencing technical difficulties due to the weather. Our phone and Internet service is very intermit...
01/23/2026

We are currently experiencing technical difficulties due to the weather. Our phone and Internet service is very intermittent, and we may not be able to take your call or respond to emails until next week. Please be patient as this is out of our control.

Happy New Years from ATD! We shut down early today and will remain closed through the weekend to allow for some much nee...
12/31/2025

Happy New Years from ATD! We shut down early today and will remain closed through the weekend to allow for some much needed R&R for our team members. We'll be back in action on Monday morning to get 2026 rolling at full speed. 🏁

Did Santa's sleigh lose those racecar goodies you were hoping for? Jump on our last sale day of the year to save on ever...
12/25/2025

Did Santa's sleigh lose those racecar goodies you were hoping for? Jump on our last sale day of the year to save on everything in the online store.
>> shop.autotransdesign.com

Wishing all of our customers, vendors, and friends around the world a very Merry Christmas!
12/25/2025

Wishing all of our customers, vendors, and friends around the world a very Merry Christmas!

Christmas is almost here and that means these deals will disappear! Scoop up this deal on our 4L80E Transbrake at shop.a...
12/24/2025

Christmas is almost here and that means these deals will disappear! Scoop up this deal on our 4L80E Transbrake at shop.autotransdesign.com/82748B.

ATD will be closing at noon today, December 24th through December 26th to allow for extended time with family and friend...
12/24/2025

ATD will be closing at noon today, December 24th through December 26th to allow for extended time with family and friends this Christmas season. We will resume normal hours on Monday, December 29th.

Santa's helpers got distracted today - but the deal has been on all the same. Grab our new billet Turbo 350 reverse manu...
12/23/2025

Santa's helpers got distracted today - but the deal has been on all the same. Grab our new billet Turbo 350 reverse manual at shop.autotransdesign.com/32148A

"Ho ho ho" Santa says as he delivers today's deal. But it's "ha ha ha" you'll be saying with the latest upgrade for your...
12/22/2025

"Ho ho ho" Santa says as he delivers today's deal. But it's "ha ha ha" you'll be saying with the latest upgrade for your Turbo 350 transmission! Get the jump on 2026 and the competition at shop.autotransdesign.com/32748-1A.

Santa's been around the block a few times, but he's not too old to forget about the OGs. Today's deal is the tried and t...
12/21/2025

Santa's been around the block a few times, but he's not too old to forget about the OGs. Today's deal is the tried and true Hipster Iron Brake for Powerglide. True to its roots like Santa, and still ready to lay it down at the track. Get a jumpstart on better performance at shop.autotransdesign.com/12748

Address

W140N10145 Fond Du Lac Avenue
Germantown, WI
53022

Opening Hours

Monday 8am - 6pm
Tuesday 8am - 6pm
Wednesday 8am - 6pm
Thursday 8am - 6pm
Friday 8am - 6pm

Telephone

+12622517777

Website

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