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Massey Harris & Massey Ferguson Tractors Discussion Forum
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New member and mf50

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Nathan1989

03-10-2019 08:04:47




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Hey, new member here I'll start with a little about me, I'm 29 an electrician by trade I live in central oklahoma on 4 acres I enjoy tinkering on trucks and other equipment, welding/fabricating, woodworking, riding 4 wheelers, and camping.
Recently bought a 1958 massey ferguson 50, got it for $500 which I think was a pretty good deal. It's in usable condition (I'll post some pics later) so far I have replaced the water pump, ignition coil, fuel bowl,1 front tire, rebuilt the carb, and changed the engine oil/filter.
Next project is the hydraulics, it has some type of red fluid in it now which I assume is some type of newer trans/Hydro fluid, I bought 8 gallons of 90w mineral oil for it but after using it some and researching I think I'm going to have to rebuild the pump.
The lift arms fall down within a minute of shutting it down with no load and surge when lifting or even holding a load and have to raise the rpms quite a bit to get it to lift even a few hundred pounds. From what I have researched it is most likely bad rings/seals on one or more of the pump pistons.
So how bad is it to rebuild the pump myself? From the kits I have seen it doesn't look bad. What else should I replace while I'm in there, already planning on the pto seal.

Thanks

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Nathan1989

03-15-2019 17:54:24




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 Re: New member and mf50 in reply to Nathan1989, 03-10-2019 08:04:47  
Update,
Gauge came in today, installed it and chained the lift arms. 1500 psi was the highest it would go. And the psi pulsed just like the lift arms do.



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Bill VA

03-12-2019 09:21:22




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 Re: New member and mf50 in reply to Nathan1989, 03-10-2019 08:04:47  
I have a MF50 diesel and it has been a very good tractor. The lift arms on mine were slow to raise, but quickly discovered there was a remote diverter valve on the top of the transmission, right side at the seat corner that was partically blocking the flow to the lift arms. I took that off and replaced with the correct blank plate and my lift arms worked like a champ. Also, before you tear into anything, there is a mesh screen, I think behind a plate on the right or left side, round, off to the side of the seat. One was full of debris.

Good luck with the tractor.

Bill

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steve19438

03-12-2019 12:46:27




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 Re: New member and mf50 in reply to Bill VA, 03-12-2019 09:21:22  
hey bill,

do you think this remote might be the cause of my MF 50 slow lift arms ?

thanks

steve



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John Deere D

03-12-2019 15:54:22




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 Re: New member and mf50 in reply to steve19438, 03-12-2019 12:46:27  
Possibly this and verify the HYDRAULIC PSI:

Bob..



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Bill VA

03-12-2019 15:42:31




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 Re: New member and mf50 in reply to steve19438, 03-12-2019 12:46:27  
I don't think so - the top plate would need to have a valve on it, at least that is how mine was.



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steve19438

03-12-2019 15:54:22




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 Re: New member and mf50 in reply to Bill VA, 03-12-2019 15:42:31  
thankyou.



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Dan S (NY)

03-18-2019 09:51:03




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 Re: New member and mf50 in reply to steve19438, 03-12-2019 15:54:22  
Steve, have you checked to see if your 50 has a hydraulic filter on the pump? I bought a 50 that the lift was very slow and the filter was just about completely plugged up.

Dan



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Bob N.Y.

03-12-2019 13:16:45




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 Re: New member and mf50 in reply to steve19438, 03-12-2019 12:46:27  
No. The oil isn't going to flow thru that pipe unless something is connected to the coupler, and then only after the lift arms are all the way up, unless they are chained down.



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steve19438

03-12-2019 15:55:09




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 Re: New member and mf50 in reply to Bob N.Y., 03-12-2019 13:16:45  
and thankyou too.



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Nathan1989

03-10-2019 20:50:27




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 Re: New member and mf50 in reply to Nathan1989, 03-10-2019 08:04:47  
I see what you are talking about now, the sheet metal is pressed in where the massey ferguson 50 decal is, looking at other 50s it's pressed out... did some research on the serial number identification and if the info is correct, mine was sold as a utility chassis with an LP engine. And can confirm the engine as it has the ZB-134 not the Z-134

That being said it was obviously converted to gasoline and they probably changed the sheet metal with a ferguson 40 when they converted it.

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Commercial Farmer

03-11-2019 02:30:30




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 Re: New member and mf50 in reply to Nathan1989, 03-10-2019 20:50:27  
That makes sense, a lot of things can happen during 60 years.



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Nathan1989

03-10-2019 17:41:46




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 Re: New member and mf50 in reply to Nathan1989, 03-10-2019 08:04:47  
Rear tires are a 13.6 x something, can't remember exactly but I did notice they are not the stock size listed on tractor data. I haven't heard of a high arch model. And it is a MF50 per the data plate.



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Commercial Farmer

03-10-2019 17:58:32




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 Re: New member and mf50 in reply to Nathan1989, 03-10-2019 17:41:46  
Itís a Massey serial plate, but your tractor has Ferguson 40 sheet metal.



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Bob N.Y.

03-10-2019 16:48:23




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 Re: New member and mf50 in reply to Nathan1989, 03-10-2019 08:04:47  
What size rear tires are on your tractor? It appears to have the tall spindles for a high arch, but the back tires don't look tall enough. The 50 high arch usually came with 12.4 x 38 tires.



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Tony in Mass.

03-10-2019 16:41:19




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 Re: New member and mf50 in reply to Nathan1989, 03-10-2019 08:04:47  
Quoting Removed, click Modern View to see

The first words of John Deere D's post are it in a nutshell. Got to have- and read- the manuals. As Steve said, the O-rings in the cylinder sound like half you problems, btw, it was designed to leak down in a minute- a safety measure. And to lift without an implement load back there is not a good idea. I would not tear into the pump unless you are sure there is some thing wrong with it. Usually it is -something else. I have two MH50's down in Hugo, and they both make tapping noises at times, but work- do the job I need done- well. Lots of Harry Ferguson people went to pouring plain 10w-40 - or whatever you use in the engine, into the tranny, and no one has wrecked one yet.

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Nathan1989

03-10-2019 14:44:06




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 Re: New member and mf50 in reply to Nathan1989, 03-10-2019 08:04:47  
Awesome info and pictures, I will get a gauge on to check, any idea on the thread size of that plug, looks like 3/8 npt.

Service manual is on order already.

Here's a pic of the rust bucket...



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ASEguy

03-14-2019 04:17:17




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 Re: New member and mf50 in reply to Nathan1989, 03-10-2019 14:44:06  
I would get the parts manual as well. It helps to figure out exactly what you need. This site, for example, will show a part and then list the part number it replaces. Good information.



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Commercial Farmer

03-10-2019 17:02:13




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 Re: New member and mf50 in reply to Nathan1989, 03-10-2019 14:44:06  
Thatís a Ferguson 40 you have there.



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John Deere D

03-10-2019 13:47:41




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 Re: New member and mf50 in reply to Nathan1989, 03-10-2019 08:04:47  
Welcome to "YT"...

I always purchase a SERVICE MANUAL, as well as an OPERATORS MANUAL be fore I ever start any work on a Tractor. I personally do not have enough $$$$$ to afford costly mistakes and oversights. Info that may assist you:
Info from my MF FE 35 X......Pretty much the same HYDRAULIC SYSTEM:

I would NOT disassemble any components until you have ran diagnostic testing,as per pictures:

When I check the HYD. PSI on my MF FE 35 X I secure lift arms down...see picture:

Install HYD. PSI GAUGE as per picture:

Here's a picture of a lift cover that failed..."YT" Archives....probably due to lift travel out of adjustment,and or relief valve faulty:If gauge indicates a HIGHER PSI than specified as per service manual....I would NOT operate HYDRAULIC system until problem rectified:


Bob...Owner MF FE 35 X

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Nathan1989

03-10-2019 10:17:30




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 Re: New member and mf50 in reply to Nathan1989, 03-10-2019 08:04:47  
Thought about that too, the whole pump is like 300 and the kit is close to 200.



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Nathan1989

03-10-2019 10:15:34




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 Re: New member and mf50 in reply to Nathan1989, 03-10-2019 08:04:47  
Thanks, Nice looking tractor, might try to get mine all straightened up and painted after a while, but I really just bought it to run a brush hog and other chores around the house.



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steve19438

03-10-2019 11:09:16




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 Re: New member and mf50 in reply to Nathan1989, 03-10-2019 10:15:34  
I bought it like that. my other machines look like heck.



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Brendon Warren

03-10-2019 09:16:15




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 Re: New member and mf50 in reply to Nathan1989, 03-10-2019 08:04:47  
A new aftermarket pump can be bought on ebay. That's the route I would take. By the time you buy the parts you haven't saved much.



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steve19438

03-10-2019 11:12:09




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 Re: New member and mf50 in reply to Brendon Warren, 03-10-2019 09:16:15  
brendon,

them clutch "pulses" when i push the pedal all then way down. (SGM model) might it be out of adjustment ?



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steve19438

03-10-2019 09:09:39




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 Re: New member and mf50 in reply to Nathan1989, 03-10-2019 08:04:47  
1st things 1st. if you do not have a manual for the machine get one.

I have a MF 50 and use the 90W mineral oil. I cant help you with the pump but you may want to check the "O" rings on the stand pipe as they fail with age.


can't help much with the pump as I have never rebuilt one but the guys here are very helpful.

here is a pic of my 50.

my email is open or email me at fettigans@aol.com. I something useful regarding your pump.

welcome to the club.

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steve19438

03-10-2019 09:10:58




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 Re: New member and mf50 in reply to steve19438, 03-10-2019 09:09:39  
boy I need an "edit" button... ugh.



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