To provide a self-traveling type crushing system capable of being easily moved even through a narrow gateway with a corner.

The self-traveling type crushing system 1 is constituted so as to crush a charged material to be crushed to allow the crushed material to directly fall in an ore passage B and equipped with a crusher vehicle 2 loaded with a crusher 21 for crushing the material to be crushed and provided with a traveling body 26 and a feeder vehicle 3 loaded with a feed device 31 for feeding the material to be crushed to the crusher 21 and provided with a traveling body 32. The crusher vehicle 2 and the feeder vehicle 3 are respectively independently provided so as to be freely propelled, equipped with the connection part 65 on the side of the crusher vehicle 2 and the connection part 88 on the side of the feeder vehicle 3 and arranged before and behind so as to hold the ore passage B at the time of crushing work.