Description:Cat® Pulleys turns when coupled with belts, which are driven by the engine accessory drive systems. Cat® Pulleys are used to transfer torque from the crankshaft to the engine components via belts. Cat® Pulleys are designed and tested to deliver the quality you expect from your equipment. Cat® Pulleys are grooved between the flanges around its circumference to support belt drive systems.Application:Consult your owner’s manual or contact your local Cat Dealer for more information.