Abstract: In a cab-over-engine vehicle, a wind deflector extending from the front thereof and a bumper assembly located below the wind deflector extending beyond the leading edge of the wind deflector; the wind deflector including a first section extending downwardly and forwardly from the vehicle body and diminishing in width from a width substantially the same as that of the vehicle body at a point adjacent the lower edge of the windshield to a reduced width at its most forward edge, a second section extending downwardly and rearwardly from the leading edge of the first section toward the bottom of the vehicle body, an opening in the second section adjacent the radiator opening of the vehicle body, and side sections extending from the side edges of the first and second sections toward the sides of the vehicle body, said first section being positioned in a plane intersecting the top of the vehicle body and said second section being positioned in a plane intersecting the bottom of the vehicle body.