Tractor Powered Conveyor PTO Tractor Powered auger conveyor is used for grains (wheat, barley, corn etc.) We have two options with these conveyors. Options depend on capacity, maximum conveying high levels. First option on capacity we have 2 products. The diameter of pipe is starting 168mm-192mm. Second option on maximum conveying high level we have products as well. The conveyor length is starting 8-10 meters. Conveyor height can be adjustable by manually steel rope system.