MATERIAL TRANSFER SYSTEM

PURPOSE:To operate a material transfer system efficiently by eliminating the stoppage of production of products and making the automatic operation of a self-propelling work vehicle smoothly and efficiently. CONSTITUTION:A material transfer system comprises a wheel loader 1 as a self-propelling work vehicle, multiple guide cables 2 laied down in a work area, multiple material yards Z1 to Zn for storing carried-in material, multiple hoppers H1 to Hn, hopper residual amount detection sensors S1 to Sn for detecting the residual amount of each hopper, a storage set panel 5, a control station 10 for controlling the material transfer system, an inlet gate 6 and an exit gate 7 through which dump trucks enter and exit, and an inlet detection sensor 8 and an exit detection sensor 9 which detect the entry and exit of the dump trucks.