A bulldozer includes a cab, a vehicle body frame supporting a cab and an engine cover. The engine cover has a side plate that has a rear edge with first and second rear edges. The second rear edge is positioned above the first rear edge. The side plate has a first planar portion which includes the first rear edge and a second planar portion which includes the second rear edge. The side plate has a bent shape between the first and second planar portions. A ridgeline is disposed between the first and second planar portions and spans from the upper edge to the rear edge of the side plate. The side plate includes an attachment section which is attached to a vehicle body frame. The attachment section is positioned in the first planar portion adjacent to an intersection of the ridgeline and the rear edge of the side plate.