All 1994-1999 Dana 60 Front Axles in Dodge Ram 2500 and Ram 3500 trucks had a Bill of Material Number (BOM) stamped on a Axle ID Build Tag attached to the differential by two of the differential cover bolts when the vehicle was shipped from the factory but, unfortunately, these tags are often missing on trucks that had prior differential service. The BOM number is a 6 digit number beginning with a 6 plus a dash number (ex: 610604-2). They can be used to determine not only the axle model, but also what components the axle was originally built with. We often ask for this number to insure we provide you with the exact parts you need for your truck.
Each different BOM number signifies an engineering part change which may be minor or major and may involve one or more parts. The dash number indicates the axle ratio. For 1994-1999 Ram 2500 and 3500 trucks built for civilian use, 3.54 ratio is a -1, 4.10 ratio is -2.
Dodge first used the 5-Link, Coil Spring front suspension on 1994 model year Ram 1500, Ram 2500, Ram and Ram 3500 4x4 trucks with solid beam front axles. It was also used on 3500 4x2 trucks with tubular beam front axles. This type of suspension utilizes...
Anti-Lock Brakes 1994-1997: Optional. External sensor attached to steering knuckle. Tone Ring is on outer axle shaft.
Anti-Lock Brakes 1998-1999: Optional. ABS sensor is internal, reading off tone ring inside each front wheel hub...
Starting around 1965, Dana started using metal tags affixed to the differential cover by two of the cover bolts. Each tag has a Bill of Material Number (BOM) stamped on it and it is affixed to the axle before it is shipped from the factory. The photo...
