non-traction
adjEtymology From non- + traction.
1
Not for traction (motive power).
- Each four-car set is made up of: a 35¾-ton battery driving trailer open second, which also carries on its underframe the batteries, and battery-charging and compressor rectifiers and a compressor to provide energy for a variety of non-traction purposes; [...].1959 June, “The opening of the Colchester-Clacton-Walton electrification”, in Trains Illustrated, page 307: