Power train and Wheelwork

Power train noun - Wheelwork consisting of a connected set of rotating gears by which force is transmitted or motion or torque is changed.

Wheelwork and power train are semantically related. In some cases you can use "Wheelwork" instead a noun phrase "Power train".

Wheelwork noun - Mechanical device including an arrangement of wheel in a machine (especially a train of gears).

Power train and wheelwork are semantically related. Sometimes you can replace phrase "Power train" with "Wheelwork", this terms are similar.