PURPOSE: To provide an under-trellis working vehicle capable of carrying out general traveling operation by foot while continuing under-shelf hand working and further capable of rotating in the place and improving working efficiency.

CONSTITUTION: This under-trellis working vehicle has driving wheels 2a and 2b provided on right and left both sides in the front or rear of a vehicle floor 1 and capable of each independently carrying out forward and backward control and a direction-changeable wheel 3 provided on the opposite side in longitudinal direction to the driving wheels 2a and 2b and has a hand switch 8 for operating with hand for controlling left and right driving wheels 2a and 2b and foot switches 10a and 10b for foot operation for each independently controlling these driving wheels 2a and 2b at right and left parts of the vehicle floor 1 and is equipped with rotating switches 11a and 11b capable of operating by foots.