Optima Scale's OP-928 Series is a heavy duty (50,000 lb per axle grouping) modular wheel weigher that can be configured to suit any axle group or wheel spacing. This rugged cast aluminum weighing pad is light enough to be portable yet large enough for any type of vehicle. The bright yellow industrial paint is baked on to the aluminum alloy chassis. Optima Scale's weighing pad not only look tough, they are built tough! With a variety of capacities and higher resolutions, the OP-928 can be used in almost any application.