Patent ID: 8020948

Claim:
A crawler traveling apparatus comprising: a traveling vehicle body having a rear axle case; a track frame supported via a pivot shaft to the rear axle case; a pair of front and rear driven wheels mounted at front and rear end portions of the track frame, a pair of said rear driven wheels being provided on the right and left sides across a rear end portion of the track frame; a free wheel mounted at an intermediate portion of the track frame; a crawler entrained about a drive wheel, said front and rear driven wheels and said free wheel; a rearwardly downward inclined face formed at an upper portion of the rear end portion of the track frame, said inclined face being configured to cause an amount of earth/sand to drop off its surface; and a rear upper cover provided at an upper portion of the rear portion of the track frame in the vicinity of said inclined face, said rear upper cover forming a rear upper inclined face that is oriented downward in the right/left outward direction, said rear upper inclined face being configured to cause an amount of earth/sand to drop off its surface.