| 摘要 |
Each drivable axle of the apparatus has two hydraulic motors, one for each side of the vehicle. The apparatus includes two analogous closed transmission circuits, one for each side of the vehicle. The hydraulic motors of the second axle are dual-capacity motors having three main connections. In each closed circuit, the first main connection of the dual-capacity motor and the first main connection of the motor of the first axle are respectively connected continuously to each of the two ports of the pump of the circuit in question, and each circuit further includes a selector having at least two positions and disposed on interconnection ducts between the pump, the second and third main connections of the dual-capacity motor and the second main connection of the motor of the first axle.
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