The JeepFarm did some work on this truck. They may be able to provide additional information about it. It appears solid, but no pics of the interior or engine were provided.
https://phoenix.craigslist.org/evl/cto/d/scottsdale-jeep-willy-truck-1948/7546030194.html
“Rare 1948 Jeep Willy Truck. Starts up quickly. Runs and drives well. Some rust in truck bed and other spots. Perfect Jeep Willy Truck for restoration project, while also able to still drive it around the neighborhood.
Lightly updated at The Jeep Farm. Work included: installed rebuilt carburetor. installed new bench seat, replaced battery, repaired damaged fuel sending unit power. wire and installed into new tank. mounted fuel tank. installed X4 Shocks.