We are the Automatic Transmission Rebuilders Association (ATRA) and your premier source for transmission repair information and transmission problem solving. We are the world’s largest trade …

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Jun 27, 2025 · The ATRA Brick Project offers a unique opportunity to leave a lasting mark in the transmission industry by purchasing a personalized brick at the ATRA headquarters.

Use ATRA’s convenient Shop Finder tool to quickly locate a certified ATRA member shop near you. Our network includes transmission professionals who are trained and experienced in handling a wide …

Founded in 1954, the Automatic Transmission Rebuilders Association (ATRA) is a leading international trade association dedicated to advancing the automatic transmission repair industry.

Founded in 1954, the Automatic Transmission Rebuilders Association (ATRA) is an international trade association for the professional automatic transmission repair industry.

ATRA certifications are available exclusively to ATRA Members. Choose the certification you'd like to earn first, and select a course that applies to that certification.

Fill out and submit the form below and the ATRA team of transmission repair specialists will contact you with information that'll help with your transmission problem.

ATRA has a minimum standard for rebuilt transmissions receiving a Golden Rule warranty. This helps to ensure that consumers receive the best product possible when purchasing a rebuilt transmission …

You'll tap into thousands of ATRA-confirmed repairs to support your work and grow your expertise. Additionally, Technical Subscribers have access to ATRA’s Technical Hotline. Here, trained and …