1973-1980 Axle Identification IHC Dana 44 Front

Dana 44 Beam Type Axles have 10 bolt covers that are approximately 10-3/8" high and 9-3/8" wide. For most applications, the bolt head size is 1/2" and the bolt thread is 5/16 USS coarse thread. Early covers (up to the mid 1970's) are made of thin steel...

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...