The crawler is a T series international harvester end-loader with a drott loader frame and loader on it. I have a parts machine duplicate machine to it with 90% track pins and sprockets. The rest og the machine is pretty used up and I have a hough version of that tractor as well as 2 power unit engines of that series as well. They are slated for the scrap yard this spring summer unless some one is interested in parts before they go. pictures tio come.