barbotin

OBS: barbotin : désignation uniformisée par le Comité de terminologie française du Conseil de doctrine et de tactique de l'Armée de terre.

CONT: In the case of vehicles with caterpillar tracks, the engine-driven toothed wheel transmitting motion to the tracks is known as the drive sprocket and may be positioned at the front or back of the vehicle, or in some cases both. There may also be a third sprocket, elevated, driving the track.