The seller suggests that the hubs are self-locking, but they appear to be standard power-lock hubs from Cutlas (Cutlas did offer some automatic hubs in the 1960s … see the Cutlas Manufacturing history).

https://www.facebook.com/marketplace/item/267519455893582

“1953 Jeep cj3b It has a rusty tub but many features that make it worth restoring. Solid frame, hurricane engine that turns, good hood and front fenders, Self locking hubs, newer radiator, nice looking gauges, original gas tank and horn. The front bumper is bolted on (not welded) and the frame horns are nice. Sold with Bill of Sale. $2000. Worth much more as parts. Call or text 218-349-three zero six five.”