Track shoe for caterpillar vehicle

A track shoe for a caterpillar vehicle fastened on a chain of the caterpillar vehicle, comprising:

• a body made of metal material and comprising a first surface adjacent to the chain, a second surface opposite to the first surface, a third surface, a fourth surface opposite to the third surface, a groove on the second surface and through the third surface and the fourth surface, and multiple holes penetrating through the first surface and the second surface to communicate with the groove, wherein the groove comprises a bottom, a first sidewall, and a second sidewall, wherein the first sidewall and the second sidewall respectively comprise a protrusion, and an indentation placed between the bottom and the protrusion;
• and
• a buffer block comprising an embedded portion and multiple lock holes, wherein the embedded portion is capable of being embedded within the groove of the body, and the lock holes respectively correspond to the holes of the body.