(Used) 1985 Mack RD686SX, AIR TANK- Side: Driver Left Side, Location: Top, Material: Steel, Dimensions: L=17", D=10", Front Ports: 4, Side Ports: 1, For more information about this item, give us a call.We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921