Is there a craigslist (or Let Go or Facebook Marketplace) for your area? If so, old tools are often listed for sale. When I sold my house, my realtor listed a bunch of Craftsman (and other stuff) for me and, almost all of it sold.
I like the suggestion re: new motor or, new brushes for you old motor.
See if you are able to locate a local mobile RV tech as that would probably cost less. And compare the expense to the risk. How confident are you in your own abilities to check it out yourself? If you send me your email address I can share a checklist with you, should you choose that route.
I feel Aridzona is just as unfriendly! Stationed there for 6 years, remained an IN resident, paid IN taxes every year. Left AZ, went to NM for 5 years then went to Germany. 2 years living in Germany, I get a threatening letter from Aridzona demanding I pay back taxes for all those years. Took many expensive phone calls, many letters, sent copies of tax forms (luckily we had them still and with us) twice to get them to realize I was military and a non-resident of AZ and did indeed pay *my* state taxes to the state I was a *legal* resident of. What a pain in the arse! I will forever avoid that lousy state and spend my tourist/tax $$ elsewhere. CA... never happen. Dislike that state even worse.
Looking for an inspector in the Elkhart, IN. neighborhood. Unfortunately, I am unable to locate one that is close enough to not pay additionally for the extra miles and overnight accommodations. Secondly, do to the time of year, I'm required to pay an additional $250.00 to de-winterize and re-winterize the MH for the inspection. There are no service bays available during the inspection, so the inspector will be performing their inspection in the freezing cold weather. Not the most ideal situation, but time isn't necessarily on our side. I have a hold placed on a MH and would like to have the inspection completed before we continue forward with our negotiations and, hopefully, purchase of the MH.