If this builder didn’t stretch this, then it could have been a CJ-2L (it looks about the right length).
https://spokane.craigslist.org/cto/d/post-falls-1948-jeep-willys-custom-build/7170985266.html
“Custom built Willys ready for wheelin! This Jeep was built then stored and never used. Must see in person. Serious inquiries only!
225 Dodge slant 6 rebuilt engine
727 Automatic transmission
538 Gears with Detroit Lockers
Full floater rear-end
New paint and Tube frame
All new wiring kit, winch, roll cage
37 inch IROC Super Swampers”