Wheeled work machine

A wheeled work machine comprising:

• a machine frame;
• an axle case for suspending wheels that is supported by said machine frame so as to be able to rock;
• a rocking lock mechanism for restricting rocking of said axle case;
• wherein an operation body that integrally rocks with the axle case is provided at a center in a left-right direction of said axle case;
• wherein said rocking lock mechanism has a lock cylinder and a switchover valve for switching both cylinder chambers of said lock cylinder between a communicated state and a closed state;
• a piston rod of said lock cylinder extends horizontally and is fixed to the machine frame, and a cylinder tube of said lock cylinder is operably connected to said operation body;
• a rotation table rotatably supported by said machine frame;
• and
• operating means for operating said rocking lock mechanism when the rotation table is rotated to a prescribed angle from a front-rear orientation, the operating means being provided between said rocking lock mechanism and said rotation table.