Assertion: tractor's track | /r/CapableOf | use clutch
Facets:
Source sentences:
text: changing the speed of the driving sprockets for the right or left tracks using clutches and brakes; sometimes a single-stage planetary mechanism is used with two pairs of brakes.
text: changing the speed of the driving sprockets for the right or left tracks using clutches and brakes; sometimes a single-stage planetary mechanism is used with two pairs of brakes.