To provide a working vehicle facilitating heat release in an engine bonnet getting to have a high temperature due to regeneration of DPF while maintaining the strength of the engine bonnet.

Heat discharge holes 13a, 13b are formed on a top plate 13 of an engine bonnet 9. Reinforcing members 21, 22 are fixed on the inside wall surface of the engine bonnet 9 so as to be located below the heat discharge holes 13a, 13b. A prescribed space 30 is provided between the reinforcing members 21, 22 and the heat discharge holes 13a, 13b and the top plate 13. Cross-sectional surfaces of the reinforcing members 21, 22 are formed each into an almost U-shape.