Agricultural Tools, Farming Equipment and Machinery Design U Pro Series Professional Universal Mulcher by Vladimir Zagorac U Pro Series is a range of professional mulchers for use with tractors. The machines are made of welded steel with a powder-coated or galvanized finish. A hydraulically controlled side shift frame can be mounted at the front or the rear of a tractor. Side reinforcements and movable attachment points add rigidity and follow the contours of the terrain. The working height is adjusted by skids and a roller, from 3 to 12 cm in four steps. In-line skids prevent the collection of mown grass. Working widths of 250, 280 and 300 cm are offered.