The Caterpillar 561-8203 Hydraulic Coupler Lines Kit is a hydraulic coupler lines kit designed for the Caterpillar long-stick mini excavator model 310. The part is identified as 561-8203 and is intended for use on the long-stick configuration of the CAT 310 mini excavator. This kit provides the hydraulic lines necessary to connect the coupler to the machine's hydraulic system for operation of the coupler on that model.
