Description:Link assemblies, driven by the sprocket and final drive, provide support for the machine weight, a rail for the machine to run on, and a place for the shoes to attach.Attributes:General Duty Track was developed to provide you a cost effective option for later-in-life-cycle or lower use machines. It is offered at a low initial price and designed for run to destruction. All Cat® Undercarriage is backed by Undercarriage Assurance and made by Caterpillar and is hardened and quality tested to ensure productivity and performance appropriate to jobsite needs.