1978 Mack RD685S, Truck Trailer, Steering Columns, Fits to: Mack RD685S, (Used) 1978 Mack RD685S, STEERING COLUMN- Type: Telescopic, Color: Tan, Includes: Steering wheel, Column Switches,For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON MD 21921, Truck Year 1978, VIN RD685S3685, Engine Make Mack RD685S3685