The F-4EAT was a 4-speed, electronically controlled automatic transmission developed by Mazda and JATCO starting in 1990.

It was also later produced by Ford Motor Company from 1991 to 2003, to replace the aging, 3-speed/hydraulic controlled ATX.

The F-4EAT uses electronic, computer controls, a 4th gear overdrive, has a lock-up torque converter and differential.

It used a computer-controlled speed sensor for the speedometer.

Ford Motor Company Mazda Kia