I always did take them completely apart so I could thoroughly inspect all the parts and replace the freeze plugs at the same time. It is a Muncie manufactured by Chelsea. Muncie didn't begin to manufacture PTO's until approx. 15-18 years ago.
The advantage to this for you is it makes getting the parts that much easier.


1953 Chevy 5-window 3100
In the Stovebolt Gallery
More pix on Picturetrail

Dave
Engine & Driveline Moderator

If you can't make seventy by an easy road, don't go. ~~ Mark Twain