<div class="htmlview paragraph">Careful study of customer requirements has led to the development of a new design concept for industrial tractors. This paper describes the planning of, and final specifications agreed upon with regard to the International Harvester 3800 Backhoe-Loader-Tractor, a machine designed specifically for industrial users of backhoes and loaders, and the 3850 Loader-Tractor which provides optimum loader operation. Some of the advantages provided by this new line of tractors include good flotation and traction over rough terrain, increased durability, greater productivity, and improved operator safety and convenience.</div>