What model is the Roadranger with the PTO?
If it is not a 6xx or 66xx it's way to big.
The jump from a 6610, to the next size up, a 910, is an additional 300lb, and the physical size difference is huge. For your truck you should not even consider a larger Roadranger.

All Roadrangers will accept a PTO, don't worry about that part. Find the right transmission first, then deal with the PTO later.

•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-