FIELD: transport engineering.
SUBSTANCE: invention can be used in tractors, automobiles, road building machines, etc. Additional simple three-member planetary mechanism is installed in gearbox between off-axial two-shaft reduction gear and main three-member planetary mechanism. Gear rims 27, 28, 29 of tubular shaft 26 of epicyclic wheel 25 and output shaft of carrier 24 of main three-member planetary mechanism and output shaft 6 of set 1 are arranged close to each other. Shifter sleeve 35D is located on gear rim 29 of set output shaft 6. Shifter fork 36 is connected by slider 37 with gear rim 38 with internal and external gearing. Gear rim 38 connects gear rims 32, 30 of set housing and housing of epicyclic wheel 25.
EFFECT: increased range of gear ratios and number to forward speeds to sixteen and reverse speed to eight, contributes to transformation of high torques.
2 dwg
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