Patent ID: 6902027

Claim:
A piping structure of a crawler vehicle, which comprises: a vehicle body frame including left-hand and right-hand frame members and a rear frame wall member extending between and joining the left-hand and right-hand frame members, left-hand and right-hand crawler track frames respectively arranged outside the left-hand and right-hand frame members of the vehicle body frame, the rear frame wall member of the vehicle body frame extending to rear end faces of the left-hand and right-hand crawler track frames; a hydraulic pump arranged within an interior of the vehicle body frame defined by the left-hand and right-hand frame members and the rear frame wall member; left-hand and right-hand driving crawler hydraulic motors being secured to an exterior of the vehicle body frame defined by the left-hand and right-hand frame members and the rear frame wall member; and a piping structure extending from the hydraulic pump arranged within the interior of the vehicle body frame, the piping structure passing through piping holes in the vehicle body frame to the exterior of the vehicle body frame, and the piping structure connecting to the left-hand and right-hand crawler driving hydraulic motors.