........... you don't give much to go on.
5 lugs 6 inchs apartThe rims are 20 inchs diameter 10 spoke aluminum4025 is the Ford part number for the axle housing.
With square axle tubes I would think it would be at least a 1 ton.
How are you measuring the bolt pattern, it doesn't sound right.
Bob
Thank you I will post pics asapI soon as I figured it how to
I try last but had no success I using iPhoneIf you need help posting photos let me know.