PROBLEM TO BE SOLVED: To provide a harvester capable of supporting a harvesting part properly on a feeder side.SOLUTION: A harvester comprises: a mowing part 23 for mowing the crop planted in a field and a feeder 24 connected to the mowing part 23 for receiving, through a communication port A1 formed in a posterior wall 31 of the mowing part 23, and feeding backward the crop harvested in the mowing part 23. A lateral portion of the mowing part 23 in the longitudinal direction of the machine body more than the communication port A1 is supported by a support part 81 connected to the feeder 24.SELECTED DRAWING: Figure 7