FIELD: machine building.;SUBSTANCE: invention relates to transmissions with intermediate parallel shafts and toothed wheels. 24-mode gearbox comprises drive 0, intermediate A, B, C and output X shafts arranged parallel to each other. Shafts A and B are adjacent to shaft 0. Gear wheels (1–20) and control elements (c01, c02, ca1, ca2, ca3, cb1, cb2, cc1, cc2, MZ1) are fitted on shafts. There is possibility of selective inclusion of gear wheels (1–20) in operation for single-flow transmission of power from shaft 0 directly through shaft A or shaft B to shaft C and further to shaft X. It is possible to impart a set of all shafts, in cross-section of gearbox, of various configuration optionally: cross-like, L-, C- or P-shaped, according to layout.;EFFECT: enlarging overall and layout capabilities of gearbox.;10 cl, 2 tbl, 4 dwg
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