(USED) 2007 Freightliner Columbia 120 - Air Tank - Side: Driver Side. Material: Steel. Dimensions: Length 54? Diameter 9? Front Ports: 2 Side Ports: 7 Rear Ports: 2. For more information about this item, give us a call. We ship Worldwide!. (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY. ELKTON, MD 21921.