Heavy off-road vehicle cab front overhang connecting device

A heavy off-road vehicle cab front overhang connecting device comprises a front overhang lower bracket assembly composed of a front overhang lower left bracket assembly body and a front overhang lower right bracket assembly body, a cab turning shaft assembly, two front overhang damper assemblies and a cab stiffening beam assembly composed of a cab left stiffening beam assembly body and a cab right stiffening beam assembly body; the front overhang lower bracket assembly is arranged on a frame, the two ends of the cab turning shaft assembly are arranged in a semicircular groove of the front overhang lower left bracket assembly body and in a semicircular groove of the front overhang lower right bracket assembly body respectively and pressed through a cover plate assembly, the upper ends of the two front overhang damper assemblies are fixed on the upper end of a vertical beam of the cab left stiffening beam assembly body and the upper end of a vertical beam of the cab right stiffening beam assembly body respectively, and the lower ends of the two front overhang damper assemblies are fixedly connected with the two ends of the cab turning shaft assembly respectively. According to the heavy off-road vehicle cab front overhang connecting device, by changing the cab front overhang connecting device, the arrangement height of a cab on a chassis is lowered, so that the height of the whole vehicle is shortened, a vehicle can be used under special circumstances, and the popularization of the heavy off-road vehicle is facilitated.