This working vehicle 10 is configured such that a suspension mechanism 76 wherein a cover 12b is mounted to a chassis 12a in a displaceable manner comprises: a guide 84 provided with a shaft body 80 which is disposed between the chassis and the cover, a plate body section 82 which is provided to the lower half portion of the shaft body, and first and second plate bodies 84a, 84b which are mounted to the upper and lower portions of the plate body section so as to be capable of coming into contact with the plate body section and which respectively have through-holes formed at the centers of the first and second plate bodies 84a, 84b and allowing the shaft body to extend therethrough； a compression spring 86 which has a truncated circular conical shape, has an upper bottom end mounted to the upper half portion of the shaft body, has a lower bottom end mounted around a through-hole formed in the cover, and presses the cover toward the chassis； and an elastic member 90 having a truncated circular conical shape and disposed while the shaft body is inserted through a through-hole formed at the center of the elastic member 90. The cover is formed in a truncated circular cone shape corresponding to that of the elastic member.L'invention concerne un véhicule de travail (10) configuré de telle sorte qu'un mécanisme de suspension (76) dont un couvercle (12b) est monté sur un châssis (12a) d'une manière déplaçable, comprend : un guide (84) pourvu d'un corps d'arbre (80) qui est disposé entre le châssis et le couvercle, une section de corps de plaque (82) qui est disposée sur la moitié inférieure du corps d'arbre, et des premier et second corps de plaque (84a, 84b) qui sont montés sur les parties supérieure et inférieure de la section de corps de plaque de façon à pouvoir venir en contact avec la section de corps de plaque et qui ont respectivement des trous traversants formés au niveau des centres des premier et second corps de plaque (84a, 84b) et permettant au corps d'arbre de
