Or plan to sell it with Owner Financing. These days, there are very few Mortgagees offering financing on Mobile Homes of ANY age; but this is particularly true of those built prior to 1976 when MH Building Standards came into effect.
You could talk to some of your local lenders and see if any will be willing to take the unit on as the collateral in a portfolio loan . . . . if you find a well qualified Buyer. Their willingness to loan will, of course, will hinge on the quality of the Buyer; but knowing in advance that they would at least consider your mobile will make things far less frustrating later.
There's another current thread on this subject . . . . I'll try to attach the link. Remember, it's a Trailer. It was built and assigned a UCC Number. It will always be a Mobile Home. You can't change that. Here's that link:
Loans for Manufactured Homes