Jason of logan

Hello I'm new to the forum and have been all over the inteweb looking for answers maybe some on on here can help me so I have a 1995 ram 3500 2wd auto it's the 47rh transmission when I bought it it was equipped with a gear vendor that was no longer working wanting to replace it I am searching for the original drive shaft I found one but believe it is from a cab and chasie as it is about 3 inches to long dose anybody know the length of factory drive line for this truck