PROBLEM TO BE SOLVED: To facilitate the layout of a vehicle body and to switch between dumping and lifting through easy operation in a dump truck with lifting function.
SOLUTION: A loading platform 5 is liftably and dumpably supported on the vehicle body via a scissors link 10. The scissors link 10 includes: a lift arm 11, having a base end rotatably connected to the rear side of the vehicle body 2, and a distal end slidably connected to a loading platform rail member 14 at the frontside of the loading platform 5; and a slide arm 12, having a base end separably and slidably contacted to the frontside of the vehicle body 2, and a distal end rotatably connected to the rear side of the loading platform 5. The middle parts of the lift arm 11 and the slide arm 12 are rotatably connected with a connection pin 17. The loading platform 5 side rather than the middle part of the slide arm 12 and the vehicle body 2 are extendably connected with a lifting cylinder 18. The distal end of the lift arm 11 and the base end of the slide arm 12 are locked with use of a dump lock mechanism 22.
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