In thare machine crop cut from field are fed in to auger.. Which has spikes on it which takes the crop into feeder chain and the feeder chain convey these crops to cutter drum or thresher drum.. Thare mechanarem of feeding crop are same as used in combine harvester.. In threshing drum v type blade are used which helps in separating grain from their crops and cut the crops in to small pieces.. Which goes to the vibrating sieve.. Four blower drums are provided in the machine which pickup the impurities or cut crops from the vibrating sieve and throws it from the Best at some daretance from the machine.. And at the last stage of the blower all impurities will be removed and we will get the grains at bottom.. To pick up the grains up to some height an elevator are provided which takes the grains from bottom to some height which throws the grains in trolley specification: dimenssions up to length : 5100 mm width : 2250 mm height : 2100 mm feeder having auger length : 1625 mm width : 860 mm dia of auger : 216 mm length of auger : 1585 mm threshing drum length : 1187 mm dia : 432 mm without blades position : transverse to blower no.. Of thresher blades : 125 blower drum total length : 1175 mm dia : 914..4 mm no.. Of blowers : 4