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Massey Harris & Massey Ferguson Tractors Discussion Forum

PTO shaft MF135

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01-10-2019 19:22:34

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I have a Massey Ferguson 135 with a live PTO. While it still operates fine, The exterior splines are worn to a point that I would like to replace the PTO shaft, rear bearing, and seal. While browsing the Parts manual from YT I cannot determine (from the kitchen) if the other end of this shaft is 10 spline 181 201 M92 or 21 spline 1 868 557 M93.
I have always preferred having the new parts on hand before dis-assembly. Any suggestions other than pulling the shaft and waiting on parts?
1974 model with a Perkins 3 cylinder diesel, lower exhaust outlet, 5 gauges but no multipower, it was used on a peach farm for 30 years or more but it is not an orchard model.

PTO lever has ground drive-neutral-engine PTO lever under left hip when operating. dual clutch and dual input shafts because clutch, throwout bearing was replaced during an engine build 8 or 9 years ago.

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Bob N.Y.

01-11-2019 15:41:30

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 Re: PTO shaft MF135 in reply to TexasMF135, 01-10-2019 19:22:34  
I may be all wrong here, but I'm going to give it a shot. I think you should study the parts diagram again. I am under the impression that the internal end of the external PTO shaft is the same for all 135 tractors. There are different spline counts for the outer transmission input shaft that goes into the secondary clutch disc or the hub on the clutch cover, depending on whether it is "live" or "independent PTO. Is it possible you are confusing the 2 locations?

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01-11-2019 17:29:38

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 Re: PTO shaft MF135 in reply to Bob N.Y., 01-11-2019 15:41:30  
Thanks for your reply.

One pto shaft is $167 and another is $42 on the YT parts catalog here online. There is a third one on yesterdays tractor online parts catalog, but only two listed in the parts manual. My parts, service, and operator's manuals are photo copies that look like the factory manual. purchased it from this website for a fair price.

It is easy enough, I will have to remove it and prove which it is and re-install it.

My wallet would like to assume it is the cheaper one, but then if I were wrong, it would have to hang on the "wall of shame". The wall is getting full. First addition to the wall was a front transmission seal for one input shaft when I have two input shafts. I knew it was wrong when I saw it. Interestingly enough, the original radiator weighs at least twice what the new radiator weighs. The lighter one has worked flawlessly until the grass is over the hood. then it gets the leaf blower when it rises above 160 farenheit. That usually takes about an hour.

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01-12-2019 04:58:45

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 Re: PTO shaft MF135 in reply to TexasMF135, 01-11-2019 17:29:38  
Pulling it out would require draining. I have a 135 that I believe you can view the internal end thru the right side cover so I'll check this morning and see then get back with you. Also you could view AGCO parts book and see if the 21 spline came on the 135. Don't think it did.

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01-15-2019 04:31:45

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 Re: PTO shaft MF135 in reply to 2tractors, 01-12-2019 04:58:45  
Tried looking in to see if the front splines were visible but couldn't.

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01-30-2019 19:23:52

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 Re: PTO shaft MF135 in reply to 2tractors, 01-15-2019 04:31:45  
Thanks for going to the trouble for me.
I have been using the wallenstein BX42S on it so I haven't been able to disassemble it.

I will get it apart in the next month or so.

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01-11-2019 14:39:12

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 Re: PTO shaft MF135 in reply to TexasMF135, 01-10-2019 19:22:34  
I have 210 hours since I went through the engine. New pistons, sleeves and lots of other stuff. Like a new machine.

Crank had to be turned ten thousandths on the main and thirty thousandths on the rods. This is the last trip for the crank. Next build will require a new one.

purchased a rod, but the machine shop performed magic on the old one because they said the new one was a different weight.

Anything behind the engine worked "as it should". I cleaned the wasp nests and dirt dobber nests out of the brake assemblies and they "work" I guess.
Changed the fluid in the tranny as I did not know it's age. changed some rubber pieces on the shifters to keep the rain away.
Everything back there worked fine. I really didn't know how worn down the PTO splines were until I purchased a few more toys with splines on the receiving end...
It will work for me, but I would rather perform preventative maintenance when I can instead of CORRECTIVE maintenance when I have to.
I can't read the hours on the old tractor meter and I don't know how many years they ran it with the cable snapped. I had to dig a piece of the cable out of the cam.
The tires I think are from 1987 and have a few weather cracks to the cords, but the new tubes hold air. Maybe next year will be the tire year.
It has already paid for itself mowing vacant lots here in town since I am between Dallas and Ft Worth. Not many tractors out mowing around here. With my 40 hour job and mowing when I want to, I can turn away work if I have to.
it runs a bush hog squealer 720 (purchased from previous owner)
a 72 inch finish mower new from tractor supply.
a wallenstein bx42s wood chipper new from woodward crossing in PA?
a post hole digger new from tractor supply
a 72 inch bush hog box blade (purchased used)
and when it feels right, it has an alamo 88 inch flail mower that weighs 1135 pounds according to the book. (purchased at auction) The flail mower was one of many auctioned by the city of Dallas after they took possession of the Dallas Naval air Station in West Dallas.

Bottom line, I have used it some, but the years before I got it probably did not see much rest. When I was 10, I was driving that tractor while the owner was following me on foot spraying peach trees. I know it was a PTO pump because he was not happy that I was not keeping it at 1700 RPMs. The throttle would still creep down when I got it years later. tighten one bolt and it will hold RPMs now. And the owner had 3 boys who are friends of mine. I hear stories of spending days on the tractor bush hogging the farm. I am amazed at some of the things that have been run over. I know he used it full time for ten years after he retired from Bell Helo. The boys tell of him starting it in the morning and since it did not charge the battery (don't know details) he would run it idling through meals and everything. When I got it, the gen was now an alternator and was just an idler for the water pump belt. that works now too.

I tried to post a picture last night, but the computer won the argument!

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01-11-2019 06:39:21

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 Re: PTO shaft MF135 in reply to TexasMF135, 01-10-2019 19:22:34  
If the exterior splines are so worn that the shaft needs replacing....what does the rest of the pto drive look like? Man, it must have tens of thousands of hours On it!

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