AE410071M Starter motor with reduction gears cutaway Educational Trainer

This Starter motor with planetary gear system has three planet gears for high starting torque.
It is equipped with a six-pole permanent-magnet excitation field and four carbon brushes,  and demonstrates key electrical components like the solenoid switch, commutator, and pull-in/hold-in windings.
The unit highlights the compatibility of the starter motor with modern engine systems, featuring materials such as glass-fiber reinforced polyamide or sintered steel for the internal gear.