PURPOSE: To facilitate attaching and detaching of a front lift by means of a tilt cylinder by installing stands in the position behind the turning fulcrum of a lift base frame, in the captioned attaching/detaching device for an agricultural machine.

CONSTITUTION: Transverse shafts 6a and 6b are installed in protrusion onto the base frames 5a and 5b of a front lift 5 so as to be freely inserted into hitches 3a and 3b, serving as the installation fulcrum and the turning fulcrum for the front lift 5. The key-shaped stands 8a and 8b are installed in free elevation on both sides of the lower part of the front lift 5, and these stands 8a and 8b are installed in the position behind the turning fulcrums 6a and 6b of the base frames 5a and 5b. A tilt cylinder 11 is installed between the machine frames projecting from the center part of the lift 5 and the lower part of a tractor 1.