My 1/2 ton came with 6 lug wheels and a closed driveline.but yours looks original. You will get more response in the Panels & Burbs form or Tons of Fun. I had no idea there were so many differences. And weren't they called Maple Leif.
These old bolts are in my blood. Hard thing is focusing on just one.
1937 Chevy 1/2 ton panel 1953 GMC 2 ton. future car hauler