GM40 PTO Driven Tractor Mounted Hammer Mill – NDUME .
WEBJul 27, 2020 · The GM40 is a large capacity robust, long life, allpurpose mill capable of dealing with fodder roughage and grain of all types. Under normal conditions the mill will produce in excess of 10 bags per hour. The GM40 requires low (2300 2600) RPM, which is ideally suited to the tractor drive system.