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dale560

How to remove a John Deere 8440 cyl head

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This one was making us mad so we chained onto head and shook it till bolts broke and head popped off. Just kidding my buddy had a bad leak for a year and tractor won’t fit in his shop. He was a professional hoe operator before so he has one He wants to buy in yard. Came in pretty handy to pick head off and swing it of way

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Would have been easier to access if you had done the 2wd conversion first. This is the one shown in another thread earlier today 

6D33A9C2-E8FD-4AB6-8215-9DC254E3B73F.jpeg

  • Haha 4

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I woulda traded the 8440 for a stieger. That being said glad your gonna get him up and runnin. Hope it works well for him going forward.

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Grapple might be handy way to get-r-done 

;)

Use what you have available and use precautions accordingly 

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10 minutes ago, bitty said:

Grapple might be handy way to get-r-done 

;)

Use what you have available and use precautions accordingly 

That is what I was thinking grab it with the thumb and shake. He has 5 other versatile 4 wds and a JD 8970 but uses this one on a blade. 

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Give it enough ether you’ll blow that head off of it..  

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You mean it hasn’t broken the crank yet.......

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I see a 225 CAT. 3304 or 3208? Good machines.

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We have a 235 , has a 3306 

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6 hours ago, ST-470 said:

I see a 225 CAT. 3304 or 3208? Good machines.

3208 he is in a year long negotiations to buy it. Buddy ran hoe for 10 years placing rock in flooding road sides. He is good at running one

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I thought that was SOP on those?  I use the hoe on a backhoe here.

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Excavator is so handy for many things.  I use one all the time at work to remove and install mixer screws and augurs.  I have used it to change the hoist in a few dump trucks as well.  Just a blown head gasket?  I did a 4850 at work that broke a head bolt  on the number 5 cylinder last month.  We have had some counterbore issues on those 6466.  

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If it was an 86x0 you get more practice pulling the head off. The 466 was much less troublesome from what I've heard

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2 hours ago, Paystar5000 said:

Excavator is so handy for many things.  I use one all the time at work to remove and install mixer screws and augurs.  I have used it to change the hoist in a few dump trucks as well.  Just a blown head gasket?  I did a 4850 at work that broke a head bolt  on the number 5 cylinder last month.  We have had some counterbore issues on those 6466.  

The guy bought this out of Montana a couple years ago. Hasn’t used it for much other than about 30 hours of silage packing and pushing manure piles apart. Head gasket has been leaking for a while and head is worn from fire ring fluttering. He has another 466from a combine that he is taking head off to put on here.  I used to work on some 4850s and other jd mfwd for potato guy. He blew a head gasket one afternoon . I started about 9 pm and had the gasket swapped out by around 2 am for him.

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1 hour ago, bitty said:

If it was an 86x0 you get more practice pulling the head off. The 466 was much less troublesome from what I've heard

Yes I have some practice changing heads and engines on 531 and 619s

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1 hour ago, dale560 said:

The guy bought this out of Montana a couple years ago.

Hopefully it wasn't ours.  It lost the head gasket a week after we traded it off in the early 90s. 

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6 hours ago, Big Bud guy said:

Hopefully it wasn't ours.  It lost the head gasket a week after we traded it off in the early 90s. 

He bought it about 4 years ago. It was an hour or so into Montana. 

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I just saw an 8960 up in MT for $10k with "engine problems". Seemed like a good price, I see good 855 cummins for under $3-5k pretty often.

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1 minute ago, ZachGrant said:

I just saw an 8960 up in MT for $10k with "engine problems". Seemed like a good price, I see good 855 cummins for under $3-5k pretty often.

The 8960 isn’t computer control so they are decent tractor.

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