HARVESTER

The invention discloses a harvester which is provided with an operation linkage mechanism for transmitting swing operation of an operation lever (13) to a steering driving part and a lifting driving part. The operation linkage mechanism is provided with a steering means for linking the operation lever (13) and the steering drive unit, and a raising/lowering means for linking the operation lever (13) and the raising/lowering drive unit. Each means is provided with an output operation body (71) for transmitting the swing operation of the operation lever (13) to the steering drive unit/raising/lowering drive unit. Within a preset movable range of the steering drive unit and the raising/lowering drive unit, the output operation body (71) integrally moves in accordance with the swing operationof the operation lever (13). When the operation lever (13) is operated in a direction in which the steering drive unit/raising/lowering drive unit is moved away from the movable range after the steering drive unit/raising/low