(1) Fender & mudguard standards for 815.185 (fenders or mudguards - operation without proper fenders or mudguards). [815.190|815.190 (Exemptions)]:

(a) the width of any fender/mudguard must be sufficient to extend at least to each side of tire's width or combined width of multiple tires when measured against the cross section of tread of the wheel(s)

(b) be of sufficient size & construction to always be capable of stopping & deflecting any dirt, mud, water or other substance picked up & carried by the wheels.

(2) The following types of fenders/mudguards must cover vehicle wheels as described below:

(a) Type I: must cover the full width of the tire & extend from above & forward of wheel center to a point at the rear of the wheels not more than 10in above highway surface when vehicle is empty (or 13in if attached to rear of a dump box that elevates for unloading)

(b) Type II: must cover the full width of the tire & extend from above & forward of wheel center to a point at the rear of the wheels not more than 10in above highway surface when vehicle is empty (or 13in if attached to rear of a dump box that elevates for unloading)

(c) Type III: have to cover the full width of the tire, & extend from above & forward of the wheel's center to a point at the wheel's rear 27in or less above highway surface