Thank you for the reply, Jon!

One-piece drop center wheels lines up with the description for the 1/2-ton rims I was just looking at in the 42-47 service manual. Someone told my mother-in-law they were split rims though. ohwell

Can anyone confirm Jon's opinion that they look like one-piece wheels, or have a differing opinion? I am about a 14 hour drive away from the truck, so I only have pictures to go off of.

-Michael