PROBLEM TO BE SOLVED: To manage air conditioning, for example, in a cabin and reduce noise in the cabin, for comfortable farm work.SOLUTION: A work vehicle includes a cabin frame 300 constituting a frame of a cabin 7 that covers an operation seat 8 on a travel body 2, and a roof body 306 arranged on an upper end side of the cabin frame 300. The cabin frame 300 includes a pair of left and right front posts 301, a pair of left and right rear posts 302, a front beam member 303 connecting upper end parts of the posts 301, a rear beam member 304 connecting upper end parts of the rear posts 302, and a side beam member 305 for connecting upper end parts between the front post 301 and the rear post 302 arrayed in to and fro direction. A group of beam members 303-305 support the roof body 306. The inside of the roof body 306 is partitioned in two front and rear rooms, and a rear room 314 of the roof body 306 protrudes rearward beyond the rear beam member 304. The rear room 314 is supported by the rear beam member 304, and the rear room 314 houses an air conditioner 364.