Patent ID: 7740254

Claim:
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 horizontally movable; a fitting part on said operation body; and a fitted part on said cylinder tube of said lock cylinder, wherein said cylinder tube of said lock cylinder is operably connected to said operation body by fitting said fitted part with said fitting part.