1966 Ford 3000

[Brett King]

I just acquired a Ford 3000 Select o Speed Diesel with a knock. The tractor has been partially taken apart. I've checked rod bearings and they don't look bad. All the valves move and there is no obvious damage that I can see. Here is something that I've noticed. While turning the engine over with a wrench on front pully nut the engine will catch or lock until I turn it back a bit then it will go forward again. It does make a nocking noise but it seems to be coming from the middle of the tractor, not the engine. Any thoughts. Thanks

 

[Tequila]

Brett, congratulations on a nice tractor, hope you get good use out of it. The knock could be coming from the coupling to the input shaft on the SOS.
They tend to wear the splines leaving a lot of play. However that usually does not present as a continuous rythmic knock. If you have removed the
engine, now is good time to inspect that area.

 

[ErnieD]

Wrist pin?

 

[Destroked 450]

Have you removed the front cover and checked the timing gears, also remove the hydraulic pump and check the gear on the cam.

 

[Brett King]

I'm going to start taking things apart and checking these. I really like the tractor and plan on going thru everything. Thanks guys

 

[Sean in PA]

I've checked rod bearings and they don't look bad.

Did you visusally inspect them or actually measure them?

 

[Brett King]

Good point. I only looked at them. I was hoping to see something that really stuck out. I plan on taking it apart and doing a thorough run down. The previous owner ran this tractor for the last 25-30 years with only a water pump and the three point lift rebuild. It's had regular maintenance and not beat up at all. Three years ago he was mowing with a Bush Hog and it started knocking. He immediately shut the tractor down and pulled it to his garage. He then started to investigate and like me didn't see anything that stuck out. Time went on and he purchased a different tractor and the 3000 sit in the garage. Recently his health has went down hill and needing room in his shop so he decided to move it. That's where I'm at. My plan right now is to make it new. Shouldn't be hard, it's been treated well over it's life.

 

[Brett King]

Good point. I only looked at them. I was hoping to see something that really stuck out. I plan on taking it apart and doing a thorough run down. The previous owner ran this tractor for the last 25-30 years with only a water pump and the three point lift rebuild. It's had regular maintenance and not beat up at all. Three years ago he was mowing with a Bush Hog and it started knocking. He immediately shut the tractor down and pulled it to his garage. He then started to investigate and like me didn't see anything that stuck out. Time went on and he purchased a different tractor and the 3000 sit in the garage. Recently his health has went down hill and needing room in his shop he decided to move it. That's where I'm at. My plan right now is to make it new. Shouldn't be hard, it's been treated well over it's life.

 

[Brett King]

Found the obvious problem. LOL

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[Destroked 450]

That's not good, will most likely need a sleeve to repair that cylinder.

 

[Ultradog MN]

It almost looks like it has sleeves
already.
What do you think?

 

[Sean in PA]

(quoted from post at 08:11:25 10/15/20) It almost looks like it has sleeves
already.
What do you think?

Sometimes buildup inside the area not covered by the head gasket can make it look like it has sleeves. Hard to tell for sure without cleaning it up and inspecting it closely.

 

[Brett King]

I agree Sean. When I get a chance Im going to clean the block off and do a good check. If it does have sleeves theyve been done more than 25 years ago. I really hope it does have sleeves that will make the rebuild a whole lot easier

 

[Brett King]

Well it doesnt look like it has sleeves guess. I guess Im gonna have to go to the machine shop

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[Ultradog MN]

How much ring ridge is there and how
badly are the walls scored?
I kind of a cheap skate and for an old
tractor don't mind saving a buck or two.
You might ream the ridge and give it a
good honing and get by for a few thousand
more hours. For most of us hobbyists that
means a Bunch of years.
By the way, I have two sets of standard
pistons w/rings and pins for that engine
I would sell cheap.
This site gets $100 for one piston.
I would sell these for $100 for 3 of
them. Plus shipping.
Folks here can vouch that I'm an honest
trader.

 

[Brett King]

Ultra dog,
There doesn't seam to be a ridge. I'm going to do a little more investigating and take some measurements of the bore and go from there. I'll keep your offer in mind. I love digging into this stuff to speculate what may have been done to the tractor in the past. For instance I have a 1930 D John Deere that runs like a top. It is 90 years old. It does have leaks a few dent and the usual play in the steering but I couldn't believe how easy it was to get it going again until I got some old photos from what I'm guessing the late 70's early 80's of the tractor crank case and rear axil sitting on blocks. The tractor had been completely gone through. Wow did I get lucky on that one. So on I go to see what I can discover on this tractor. Have a great day.