In Reply to: is this hole in the casting a clutch-inspection port? posted by Curt McConnell on September 21, 2023 at 19:45:12:
Curt, if it's in the same location as in this photo, there was once a Sherman combo (aka high-low) auxiliary transmission in there that upgraded your Jube to have 12 forward and 3 reverse gears via three gear ranges. A very nice addition that adds value to an N tractor.
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