I pulled the cab off using an overhead hoist. I made some "hooks" to grab the door openings. This worked pretty well. I left the steering wheel on and I was pretty sure I'd get the cab off with the wheel in place, but I wasn't 100% sure. I was able to twist the cab around enough to get it off and not have to remove the steering wheel.
The engine turned out to be a babbitt bearing 235. There was also a brake booster, which I didn't expect in this age of truck. It makes sense though, being a big bolt.