trolley locomotive

trolley locomotive

[′träl·ē ‚lōk·ə′mōd·iv]
(mechanical engineering)
A locomotive operated by electricity drawn from overhead conductors by means of a trolley pole.
References in periodicals archive ?
Tenders are invited for electric overhead trolley locomotive
Trains hauled by 20-mt electric trolley locomotives run on 1,067-mm-gauge track around a computer-controlled loop haulage.