Patent ID: 8899371

Claim:
A bulldozer comprising: a vehicle frame body; an engine supported by the vehicle body frame; a hydraulic pump driven by the engine; a left hydraulic motor and a right hydraulic motor for movement, the left and right hydraulic motors being disposed behind the hydraulic pump, the left and right hydraulic motors being driven using hydraulic fluid discharged from the hydraulic pump; a first left hydraulic fluid tube and a second left hydraulic fluid tube, the first and second left hydraulic fluid tubes connecting the hydraulic pump and the left hydraulic motor; and a first right hydraulic fluid tube and a second right hydraulic fluid tube, the first and second right hydraulic fluid tubes connecting the hydraulic pump and the right hydraulic motor, the vehicle body frame including a left side frame and a right side frame, the left and right side frames extending in the front and back direction, the vehicle body frame further including a base plate disposed to span across between the left and right side frames, and a cross member positioned between the hydraulic pump and the left and right hydraulic motors in a front and back direction of the bulldozer, the cross member being disposed so as to protrude upward from the base plate, the cross member being disposed to span across between the left and right side frames, the cross member including a left conduit hole and a right conduit hole, the left and right conduit holes being spaced apart in a left and right direction of the bulldozer, the first and second left hydraulic fluid tubes passing through the left conduit hole, and the first and second right hydraulic fluid tubes passing through the right conduit hole.