PROBLEM TO BE SOLVED: To provide a combine that can reduce sense of pressure felt by an operator due to a ceiling part inside a cabin.SOLUTION: The combine includes: the cabin 8 on which an operator boards a reaping part 1 positioned of on a downward side of the front of the cabin 8 to reap planting grain culm an operation seat 27 on which an operator sits in the cabin 8 a windshield 13 provided on a front face of the cabin 8 and extending downward relative to a seating face of the operation seat 27 from an upper part of the cabin 8 and an air conditioner unit 70 for performing air conditioning inside the cabin 8. The air conditioner unit 70 is internally installed backward of a roof part 80 of the cabin 8.