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Administrative Code 4501-43-04 - Specifications


(A) The horizontal bumper shall be at least 4.5 inches in vertical height, centered on the vehicle's centerline, and extend no less than the width of the respective wheel track distances. Bumpers shall be horizontal load-bearing bumpers attached to the vehicle frame to effectively transfer impact when engaged.

(B) Maximum bumper heights shall be determined by weight category of gross vehicle weight rating (GVWR) measured in terms of the vertical distance between the ground and the bottom of the frame rail or bumper. Maximum bumper heights are as follows:


Vehicle Type Front Rear
Passenger Vehicles 22 inches 22 inches
4,500 lbs. and under GVWR 24 inches 26 inches
4,501 lbs. to 7,500 lbs. GVWR 27 inches 29 inches
7,501 lbs. to 10,000 lbs. GVWR 28 inches 31 inches
(C) If the body and/or truck bed height is altered, the difference in height between the body floor and/or the truck bed floor to the top of the frame ail shall not exceed four inches. (Body Lifts)


(D) For any vehicle with bumpers or attaching components which have been modified or altered from the original manufacturers design in order to conform with the maximum bumper requirements of this rule, the bumper height shall be measured from a level surface to the bottom of the vehicle frame rail at the most forward and rearward points of the frame rail.

(E) The height restriction in this rule applies to the distance from the ground to the bottom of the frame rail under any one or more of the following conditions:

(1) A motor vehicle is not equipped with a front and rear bumper.

(2) The bumper height relative to the frame rails has been altered.

(3) A supplemental bumper has been installed or an addition to the original or replacement has been made.