Engine may be stuck.

https://reno.craigslist.org/cto/d/washoe-valley-willys-cj2a-1947/7482843915.html

“1947 Willys CJ2A, Very rare Willys hard top with doors, Body and frame in good shape very little rust spots, Restoration started with new brake lines, New brakes master cylinder and slave cylinders, removed and cleaned gas tank, cleaned and repairs radiator, motor ran 10 years ago but now engine found to be stuck so engine will need to be overhauled. Have the original tires and wheels. New shocks included, Asking $4,500.00 OBO.”