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Harry Ferguson Tractors Discussion Forum
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Harry Feguson 30

Author  [Modern View]

01-18-2014 11:25:15

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I inherited a Harry Ferguson T30 and need some help. I have been able to start the tractor after finding out up and to the right on the gear shift is for the starter and reverse is down and right. There are apparently four speeds forward which all work.

First question. The hydraulic lift does not work unless the PTO is first engaged. I think I remember that it was not until the T35 that both were separate - correct assessment?

Second question. I also seem to remember there is a kit that can be purchased to convert the hydraulic lift to be separate from the PTO - correct?

Third question. After engaging the PTO and raising the attached bush hog, I then turn the PTO off and the hog stays up, but after turning the tractor off the bush hog eventually comes back down. Does that mean the seals in the hydraulics need replacement?

Fourth question. The bush hog (red color no name can be found) has a hole near the drive motor. Is this where the blade is removed?



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01-23-2014 08:26:09

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 Re: Harry Feguson 30 in reply to merbeau, 01-18-2014 11:25:15  
1 It is correct that you need to have the PTO engaged to operate the hydraulics
2 No there isn't a kit
3 The hydraulics will always drop down over a period of time, it is not a sealed system, but what if it does, what is the problem in it doing that? There is no need to replace any seals (Piston rings actually) the mower will hold up but it depends on the weight and how badly the seals are worn as to how long this will stay up
4 The Hole is so you can use a wrench on the bolt that secure the blades
If you need some info about using the Mower with your Ferguson, email me and I will send it to you...John(UK)

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Ian Beale

01-22-2014 00:25:52

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 Re: Harry Feguson 30 in reply to merbeau, 01-18-2014 11:25:15  
1. Don't wear one

2. Remember the D(squared) law of radiation - the bigger the D the bigger the safety factor

(D = distance)

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Tom Bowman

01-21-2014 14:02:32

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 Re: Harry Feguson 30 in reply to merbeau, 01-18-2014 11:25:15  
Quoting Removed, click Modern View to see

Tim, I wear a necktie all day, but it comes off when I get near the tractor, or if I need to open the car hood while the engine is running. (Oliver Wendell Douglas wore a tie and vest while he was driving his tractor on Green Acres, but that's not the look I'm going for.)

Shielding is fine, but the safest practice, as I've read elsewhere on the YT Board: don't get off the tractor seat with the PTO engaged. Period.

There was a story posted recently on the "other" N board (I searched for it, but I couldn't find it again) about a woman who was killed while helping her husband dig post holes, when her clothing got caught in the shaft.

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Brent, IN

01-19-2014 09:08:29

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 Re: Harry Feguson 30 in reply to merbeau, 01-18-2014 11:25:15  
Sherman made a live PTO clutch kit for the Ferguson and Ford tractors before factory live PTO was available. I have one on my TO30 and use it when I brush hog. It comes in handy. If I had a baler it would be handy there as well.

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01-22-2014 09:48:54

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 Re: Harry Feguson 30 in reply to Brent, IN, 01-19-2014 09:08:29  
Do you have any further info on the Sherman live PTO clutch kit?

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01-18-2014 16:16:04

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 Re: Harry Feguson 30 in reply to merbeau, 01-18-2014 11:25:15  
in my humble opinion, the number one safety item you need to buy for your tractor is an over riding clutch for your pto,

this device will insure the tool, {Rotatory cutter or other name brand (bush hog)} will not continue to push the tractor forward even after you push the clutch in.

many old boys have run their tractors through barns, gates, into ponds, etc: because they did not have the overriding clutch in place and operational.

again, just my two cents!

good luck and be safe with your, new to you, tractor.

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01-18-2014 14:21:24

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 Re: Harry Feguson 30 in reply to merbeau, 01-18-2014 11:25:15  

The other post answers #1,#2,AND #4.
The answer to #3 is that it depends how fast the loaded three point hitch drops with the pto disconnected (disconnecting the pro disconnects the hydraulic pump). If it takes 15 minutes or longer to drop than the seals are good.

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01-18-2014 14:12:51

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 Re: Harry Feguson 30 in reply to merbeau, 01-18-2014 11:25:15  

1. PTO must be on to lift.
2. Don't know but have heard likewise.
3. Make sure to install an over-running clutch on the PTO shaft to keep the bush hog inertia from driving the lift and, more important, the drive train. I run with the lift down and limit its travel with Down Stop chains. (See photo)
4. The hole is for blade removal. Takes a large 6 point socket with heavy drive. Must lube the nut well and heat with a torch to keep frompline on the bolt head.

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01-22-2014 09:11:39

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 Re: Harry Feguson 30 in reply to Dukir, 01-18-2014 14:12:51  
An other follow up question. I removed the PTO shaft from the mower and the bolt inside the hole near the drive motor appears to be six point and is 1 3/4 in size.

Does this seem correct? I have a drive breaker bar and would have to purchase a 1 socket. Are the threads right handed on these cutters?

I also purchased four car jacks to place under the mower to hold it up in case the hydraulic fails. Are there other bolts that need to be removed?


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01-22-2014 15:27:44

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 Re: Harry Feguson 30 in reply to merbeau, 01-22-2014 09:11:39  
They are right handed, but the spline on the bolt head will easily strip unless the nut is lubed and heated for lower torque removal.

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01-23-2014 07:17:32

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 Re: Harry Feguson 30 in reply to Dukir, 01-22-2014 15:27:44  
Thank you for the information.

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01-19-2014 08:05:47

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 Re: Harry Feguson 30 in reply to Dukir, 01-18-2014 14:12:51  
Thanks to all that replied it was a big help.

Dukir thank you for the picture. There is an attachment to the PTO that looks exactly like your picture so it would appear the previous owner installed an over-running clutch. The owner also limited the down travel with down stop chains as pictured in your photo.

It does take longer than 15 minutes for the bush hog to move downward once the motor is turned off so the seals must be in pretty good shape.

AND Maxwell99 thanks for the safety tips.

Removing the bush hog blade will probably be an adventure.

Again many thanks for your help


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01-21-2014 12:22:26

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 Re: Harry Feguson 30 in reply to merbeau, 01-19-2014 08:05:47  
I've owned a TO30 for about 10 years and this is the first I've heard of a PTO Overrun clutch. I have been scared a couple of times when my bush hog continued to provide forward motion to my tractor, but just thought it was just the way thing were. I see a PTO Safety Clutch, 40HP for about $210 on this site. Is that what we're talking about? Does it just work automagically, or do you need to engage it some how?

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Jason S.

01-21-2014 12:48:17

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 Re: Harry Feguson 30 in reply to TimFranktown, 01-21-2014 12:22:26  
No that isn't what you need. If your tractor still has the original 1 1/8" pto shaft you need this one.

If your tractor has had a 1 3/8" pto shaft installed then you need this one.

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01-21-2014 13:21:20

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 Re: Harry Feguson 30 in reply to Jason S., 01-21-2014 12:48:17  
Thanks Jason,

I sure like $45 vs. $210. I can definitely understand the warning about shielding. What do most folks do to keep their neckties from getting wrapped up in one of these things?

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