New GTK Bias Tractor Tires. We have over 30 years experience and several warehouses full of tires. Check out our other auctions for more Tire Deals! With our volume it is impossible for us to take actual pictures of each tire being listed. Our pictures are to be used as a reference to the tread design and not the actual photo of the tire. Any rims pictured are Not included and only pictured to feature the tire. The item "2 New Tractor Tires & 2 Tubes 13.6 36 GTK R1 8 ply TubeType 13.6x36 13.6-36 FS" is in sale since Wednesday, January 8, 2020. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Wheels, Tires & Parts\Tires". The seller is "ronapreston" and is located in Cortland, Nebraska.