To provide a brake operating device for a traveling vehicle capable of actuating a brake device even when a brake pedal can not be stamped in by making it possible for the brake pedal to be operated manually.

The brake operating device of the traveling vehicle is configured so that brake operating levers 53 and 54 are mounted removably on a left 31 and a right brake pedal 32 coupled interlockingly through a brake pedal operating mechanism with a left and a right brake device 42 to perform brake application to a left and a right rear wheel 7.