For Sale Untha RS50 4-Shaft Shredder. 2014 machine Recently re-conditioned with new set of cutting knives on both central cutting shafts.1 x 22kW & 1 x 25kW motor units. New Stand & Hopper. 31mm knife set up & fitted with 30mm screen. Cutting system opening: 900 x 700. A very clean and tidy machine. Can be viewed in N Ireland. For more information or to arrange a viewing please get in touch.