FIELD: transport engineering.
SUBSTANCE: invention can be used in vehicles and in drives of mounted equipment of special vehicles. Shifter clutch of gearbox output shaft is brought out of reduction gear part. Cluster of two gears is freely fitted on secondary shaft and one gear is fixed. Shifter clutch is arranged in between, being coupled by slider with other clutch arranged between gears of primary shaft. Carrier shaft gear rim is two-position, and gear rim of output shaft is three-position one. Shifter clutch on said rim is provided with three internal gear rims. Gear rim with internal and external meshings is rigidly secured on slider of shifter clutch. External gearing of rim is engaged with three-position gear rim of housing.
EFFECT: enlarged operating capabilities of vehicle, reduced metal usage of set.
2 dwg
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