FIELD: engines.
SUBSTANCE: invention relates to gearboxes of heavy haulers: cars, tractors, road-building, etc, equipment. Gear box consists of 12-step coaxial three-shaft reduction gear, in which there are ten forward gears and two rows of reverse gears, as well as simple three-link planetary mechanism and five clutches.
EFFECT: broader operating capabilities of heavy equipment owing to increase in number of forward gears with 12-24 and reverse gear transmissions with 4-8.
1 cl, 2 dwg
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