Dana 60 Axle ID Diagram - Bill of Material, Date Code, Model Number & Ratio Tag

This document is an identification diagram for a Dana 60 axle assembly, showing where key identifying information is located on the axle housing. The line drawing depicts the differential center section (with its characteristic cover shape) flanked by a short axle tube on the left and a long axle tube on the right. Four numbered callout arrows identify: (1) the Date code stamped on the long tube (shown as "X XX XXX" format), (2) the Bill of Material number stamped adjacent to the date (example shown as "610320-1"), (3) the Model Number cast into the housing near the differential cover (the "60" designation is visible), and (4) the Ratio Tag located on the short-tube side of the center section, typically retained under a cover bolt. A reader can use this diagram to locate and decode the identification markings on a Dana 60 axle to determine its build date, bill of material (which identifies the exact axle specification), model, and gear ratio. The document contains no explicit year, make, or vehicle model applicability statements; it was uploaded to a 1978 Ford Bronco gallery, which commonly used the Dana 60 as a rear axle option, but the diagram itself is generic Dana axle identification reference material.