This trainer provides the instructor with a complete automatic gearbox for group or whole-class demonstration, mounted on a steel plate for use on a workshop bench or classroom desk. 

The gearbox is operated by hand and is sectioned so that all moving components can be seen and the way they interact can be observed. 

The trainer allows the instructor to demonstrate the following:-

The position and mounting of all automatic gearbox components

Valve body 

Selector lever

Servos

Kick down lever

Torque converter

Clutches

Spool valves