To provide a mobile crusher capable of directly supplying non-crushing raw materials such as soft rocks to a conveyor without being supplied to a crusher (jaw crusher) to prevent trouble such as clogging of raw materials in the crusher, and reducing the burden of the crusher.

The crusher 2 (jaw crusher) is loaded on a car body 10, with a conveyor 3 installed extending through the lower part of a discharge part 26 of crushed matter of the crusher. In the conveyor, there are formed a downstream side extension 3a that is extended from the lower part of the crushed matter discharge part to one side of the car body and an upstream side extension 3b that is extended to the other side of the car body. An auxiliary receiving hopper 5 is installed above the upstream side extension.