Posted by rankrank1 on July 16, 2013 at 17:45:38 from (198.228.228.174):
In Reply to: 4th/5th gear (PIC) posted by BigTone on July 16, 2013 at 13:00:25:
5th gear on the Farmall h and Farmall M is not obtained like the first 4 speeds are. Gears 1-4 are actually different size gear sets that mesh together to change the ratios inside the tranny. 5th gear does not involve gears meshing at all per say. It is obtained by locking the shafts to form a sorta direct drive. (Cheap way to get a 5th speed without adding the cost, weight,and space that another gear set would consume - so it is clever in a way).
When you move the shifter into 5th gear it does not move as much as it does in the other 4 gears. (maybe half as much).
That said you do have a problem. As has been pointed out already. I would check the end of shifter rod (build up and reshape to size with braze or weld as required). I would remove the slop from the shifter (see sloppy shifter fix on ebay). From there I would look at what these other guys are telling yah about the detents....or more likely in the mechanism/splines that lock that shaft for the direct drive for the 5th speed.
This post was edited by rankrank1 at 17:50:46 07/16/13 2 times.
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Today's Featured Article - Memories of an IH Super A When I was ? up to 10, I worked on my Papaw's farm in Greeneville, TN every summer. As I grew older (7), it was the thrill of my day to ride or drive on the tractor. My Papaw had a 1954 IH Super A that he bought to replace a Cub. My Papaw raised "baccer" (tobacco) and corn with the Super A, but the fondest memory was of the sawmill. He owned a small sawmill for sawing "baccer" sticks. The Super A was the powerplant. When I was old enough (7 or 8), I would get up early and be dressed to
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