Allis Chalmers AC D17 Tractor Hitch Drawbar Brackets and Yoke. Some wear but good useable condition. As a vital part of antique and vintage equipment, these hitch drawbar brackets ensure smooth and efficient operation for your farming or industrial needs. Perfect for collectors or those looking to restore or upgrade their vintage Allis Chalmers tractor, these brackets are a key component for maintaining the functionality of your classic machinery.