Rear axle identification information is stamped on the right side axle tube near the differential housing. The information includes the following:
| • | Broadcast code (1) | 
| • | Build Source (2) | 
| • | Build date (3) (Julian date) | 
| • | Shift built (4) | 
In order to verify reports made on the rear axle assembly, include full code letters and build date numbers.