O) Electro Motor, Gear box :

ELECTRIC MOTORS :

1) DC Motors

2) Synchronous Motors

3) 3 Phase Induction Motors

4) Single Phase Induction Motors

5) Other special, hyper-specific motors

 

GEARBOXES :

1) Sliding mesh type gearbox

2) Constant-mesh type gearbox

3) Synchromesh gearbox

4) Epicyclic gearbox