A Self Propelled Track Mounted Paddy Harvester The present invention relates to a self propelled track mounted paddy harvester (1) that is driven in any kind of soil condition for harvesting, threshing and cleaning the crops grown in paddy fields. Said harvester (1) is equipped with rubber track system (5) that comprises an endless-crawler belt (5e) extends over the sprocket (5c) and the idler tumbler (5d) and a plurality of rollers (5f). Said endless-crawler belt (5e) is made of a plurality of metal links or shoes pivotally attached to each other by providing a rubber cover on said metal links. Such configuration of harvester (1) ensures the low ground pressure thereby said harvester is moved in the muddy terrain for performing harvesting, threshing, cleaning and discharging the grains from the crop.