Need help identifying rear end

[jhvaughn]

I'm new to the forum and have been searching for some info so that I can identify the rear end in my truck. I picked up the truck last (been sitting under a shed for 20+ years). It is a 1960 Apache. It seems that there were two options for the rear end. The Eaton HO32 or Dana 44. I've attached a pic of mine.

Is there some where on the rear end that I can look to get part numbers, etc.? I'm going to keep the 6 lug set up and trying to determine if I can use this rear end or if I need to start looking for a replacement (found one from a 2005 escalade).

Any help you can provide will be greatly appreciated!