creeper gear

English

Etymology

So called because the vehicle creeps in the mechanical sense of that word: it moves very slowly, such that a person on foot can outwalk it, for example.

Noun

creeper gear (uncountable)

(automotive, trucking, agriculture, heavy industry) The lowest gear on a vehicle: especially, a dedicated super-low gear, available in some trucks and tractors, that is even lower than the usual low gear, which is labeled as first gear.
Synonyms: granny gear; LO (as labeled on some gear levers)

Coordinate terms: first gear; second gear, third gear, fourth gear, fifth gear; top gear, overdrive; angel gear, neutral

Near-synonym: low gear