driving motor

(rail transport) a car in a multiple unit which is motored and from which the train can be driven.

Japanese Meaning

鉄道において、複数の車両からなる編成内で駆動装置を備え、列車の運転操作が可能な車両

The driving motor at the front of the multiple unit provided traction and control during the test run.

複数連接編成の先頭にある動力付き制御車が試運転中に牽引力と制御を提供した。

Sense（1）

(rail transport) a car in a multiple unit which is motored and from which the train can be driven.

driving motors

（ plural ）