FIELD: machine building.
SUBSTANCE: invention relates to mechanical shift transmissions with several intermediate parallel shafts and gear wheels. 18-speed transmission comprises master (0), intermediate (A, B and C) and cargo (X) shafts, installed in parallel in the crankcase with gears (Z1-Z19) mounted on them and hydraulic clamping friction couplings (F1-F8). There is also a reversing device with gear coupling (GC) or hydraulic clamping friction coupling (F9). This provides the possibility of obtaining 18 forward gears without ranges and 9 reverse gears by including three friction couplings in the respective combinations of their numbers.
EFFECT: invention provides improved technical and operational characteristics and capabilities of the transmission.
7 cl, 2 dwg
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