All good methods and they'll all work in or out of the truck just the same.

Here's another, a tapered screw deal with a grease fitting. A grease gun provides the hydraulic pressure to jack it out.
Made by Lisle, part number 55600

https://images-na.ssl-images-amazon.com/images/I/41nIMXvRKdL.jpg


•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
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"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-