1987 ford ranger 4x4 a/t3-speed with overdrive with overhead touch console. What trans do i have?

1987 ford ranger 4x4 a/t3-speed with overdrive with overhead touch console. What trans do i have?

Automatic transmission A4LD

Easiest way to determine is look at the manufacturer's data plate on the driver's door post. The tranmission code will be listed, then a simple Google search of that code will tell you for sure.