The Wirtgen KMA 220 (Circle 909) builds on the success of its predecessor, the KMA 200, by adding a third axle to enhance the roadability of this popular portable cold-mix plant. All three air suspension axles have raising and lowering capability, as well as automatic, load-dependent all-wheel air brakes. The KMA 220 portable cold-mixing plant from Wirtgen will mix 220 tph of cold-mix asphalt, without visible emissions and without requiring any EPA operating permits. To make foamed asphalt green mix with the KMA 220, milled reclaimed asphalt pavement (RAP), excavated road base and crushed recycled concrete aggregate (RCA) all can be incorporated up to 100% in cold green mix from the KMA 200.
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