What size is the front axle on a 1999 dodge ram 2500 4x4 cummins diesel?

The front axle on a 1999 Dodge Ram 2500 4x4 with a Cummins diesel engine typically has a diameter of 3.73 inches for the differential, but the axle shafts themselves vary in size. The vehicle usually comes equipped with a Dana 60 front axle, which is known for its strength and durability. For specific measurements or configurations, it's best to consult the owner's manual or service documentation.