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My M won't move!

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Bill

05-13-1999 12:25:57




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In 1st, 2nd, & 3rd gears, when I let out the clutch, the Engine bogs down and the tractor won't move. However, if I put it in neutral, it will run in road gear. The service center I spoke with said the gear shift is worn. O.K., getting it out and adding to it is no problem, but how do I know the correct positions of the gears befor I put the shifter back in?




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Brent

05-14-1999 10:28:51




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 Re: My M won't move! in reply to Bill, 05-13-1999 12:25:57  
I had the same problem with my M a few years ago. The pin that hold the shifter in place was worn and worked its way partially out one side. This allowed the forks to jump to the next rail when I shifted and effectively put the tractor in forward & reverse (if that's possible, just my guess) at the same time causing it to bog. I just pulled the shifter, realigned all the slides, and put in a new pin and retainers.

Good luck!

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Maury

07-12-2000 09:48:27




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 Re: Re: My M won't move! in reply to Brent, 05-14-1999 10:28:51  
I had the same problem with my Farmall M. The shift lever pin came part way out and the gears jammed. A prior owner had used a steel band to hold the pin in place. I purchased a new pin and found it was much shorter than the one I took out. It appears that something is missing if the new pin is to be used. Like a plugs or retainers at each end of the pin hole. For now I reinstalled the old pin that is flush with the outer edge of the holes and put the steel band back in place. Thanks in Advance for Suggestions

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justin

05-13-1999 16:06:50




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 Re: My M won't move! in reply to Bill, 05-13-1999 12:25:57  
okay, the way this is starting to sound, is that the pilot bearing that is between the transmission main shaft and the transmission input shaft, has wen't out, and locked the two shafts together.. this would explain the road gear in neutral, because this problem is more or less a direct lockup between the input and main shaft, which the 5th gear does.. Now, as to damage, the pilot bearing is definately shot, the mainshaft (where the bearing sits may be scarred) and may need to be replaced, and more than likely the input shaft is ruined.. This problem is common on Ms, and the parts are around.. if what I described above is the case, email me, because I have some of the parts which you will need to repair the tractor..

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Jim

05-13-1999 16:15:18




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 Re: Re: My M won't move! in reply to justin, 05-13-1999 16:06:50  
I've never saw a M lock up this way.When the pilot brg. goes out the tractor jumps out of 4th &5th gears.I only see a pilot brg. go out maybe once every year if that.and there are hundreds of them here where we are.I still say the tractor is stuck in 5th gear.



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justin

05-14-1999 06:07:02




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 Re: Re: Re: My M won't move! in reply to Jim , 05-13-1999 16:15:18  
Well, we have to look at it this way.. If the sliding gears are in the correct position, in relation to the shift forks and driving gears, then the problem is not there.. Now, if the pilot bearing has locked up the input shaft and the main shaft, we would have the 5th gear in neutral.. Granted that 5th gear being off of the fork would do the same thing, and the problem would most likely be a dretent ball and spring.. I do know for a fact that sometimes, the main shaft pilot bearing is let go for so long that it will seze up and cause a 5th gear in neutral problem.. I have never heard of this being a problem with the H, only the M... And usually when this problem occurs, the placing of the tractor in a lower gear, usually causes the mainshaft pilot bearing area to just shear completely off, causing the necessity to change both the mainshaft and input shaft, and poossibly some of the gears.. IT's just something to be aware of..

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Jim

05-13-1999 14:06:15




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 Re: My M won't move! in reply to Bill, 05-13-1999 12:25:57  
Pull the shifter out and look in the hole you will see three shift rails,the right one will be ahead take pointed bar and pry it back. Now put the shift lever back in .



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big fred

05-13-1999 12:35:22




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 Re: My M won't move! in reply to Bill, 05-13-1999 12:25:57  
On my B, It was pretty obvious what the position of the gears should be for neutral. I put the transmission gears in their neutral position and the shifter in neutral, and put it together. It took a couple tries to get it back together without moving a gear out of position, though. I could tell I had it wrong, 'cause when I "bumped" the starter the engine wouldn't crank.



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Bill

05-13-1999 12:49:47




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 Re: Re: My M won't move! in reply to big fred, 05-13-1999 12:35:22  
Thanks Fred. I hope it's as obvious as you say. This is the first time I've had to repair a tractor. I guess you can see what your doing through the small hole that the shifter fits in?



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big fred

05-13-1999 14:34:25




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 Re: Re: Re: My M won't move! in reply to Bill, 05-13-1999 12:49:47  
I had a busted shifter fork, so I had to take the top cover of the transmission off. Mine was a B, different animal, but the idea is the same. Don't know how heavy and cumbersome the cover on a M would be.



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The Red

05-13-1999 12:56:40




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 Re: Re: Re: My M won't move! in reply to Bill, 05-13-1999 12:49:47  
Bill, you might have to take the seat assembly off and pull the pan. Hard telling what is all wrong until you peak in.



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karl fischer

05-13-1999 14:07:36




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 Re: Re: Re: Re: My M won't move! in reply to The Red, 05-13-1999 12:56:40  
my H had a similar problem...the bottom of the shift lever wears out too much to contact the sliders, and jumps over them. you can see the sliders...you move them all so the channels line up. i used a wrench to slide them into neutral.

different shifter solved the problem.

:)



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Walter

05-14-1999 05:55:06




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 Re: Re: Re: Re: Re: My M won't move! in reply to karl fischer, 05-13-1999 14:07:36  
Had the same problem with mt '64 cub, not the same trani but the same effect, tractor would lock up and not move when shifting from reverse to any forward gear, it turned out to be a broken shifter fork.



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Bill

05-18-1999 09:31:01




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 Re: Re: Re: Re: Re: Re: My M won't move! in reply to Walter, 05-14-1999 05:55:06  
Gentlemen, I'd like to express my thanks to all the helpful replies my query received. I'm sure that I'll use this forum again to gain knowledge and hopefully return the favors some day. To update evryone that cared to respond, having recieved a number of possible problems, I decided to call the service center again and have them come out and take a look. The mechanic I spoke to felt that a worn shifter was the most likely culprit, and said the job would only run about $100.00. If anyone cares to know the outcome, let me know and I'll certain post a reply. Again, THANKS.

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