Specifications include, but are not limited to: WHEEL TRACKING SYSTEMDUAL WHEEL 1 ea; * Dual Wheel System. * Retractable loaded wheels. * Water tank for wet/dry testing. * Shielded electronics. * Machine must be constructed from 300 series stainless steel or have a corrosion resistant coating to ensure longevity and no corrosion. * Full size machine with a minimum width of 52 in. (1320.8 mm). * Wheel-Tracking Device, an electrically powered device capable of moving a stainless-steel wheel with a diameter of 8 in. (203.6 mm) and width of 1.85 in. (47 mm) over a test specimen with a diameter of 5.9 in. (150 mm) and a height of 2.4 ± 0.1 in. (62 ± 2 mm). * The load applied by the wheel is 158 ± 5 lb. (705 ± 22 N), by weights, non-pneumatic loading.