Older model case quad tracks - Page 2 - The Combine Forum
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post #11 of 23 (permalink) Old 05-12-2019, 05:01 PM
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Has anyone ever changed an axle seal on one of these or a newer one withought removing the entire front differential assembly?

https://www.thecombineforum.com/foru...1&d=1557694790

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post #12 of 23 (permalink) Old 05-12-2019, 07:11 PM
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I understand you have to remove the entire assembly....get yourself a forklift, it goes pretty easy. I believe the tourge on the big drive wheel bolts are 600# on the old 9370.

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post #13 of 23 (permalink) Old 05-12-2019, 11:58 PM
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Has anyone ever changed an axle seal on one of these or a newer one withought removing the entire front differential assembly?

https://www.thecombineforum.com/foru...1&d=1557694790
Its a big job. My tractor is in the shop right now to get them changed on one axle and i know from 2 more with the same problem. My understanding is, that not the seal is the problem....it is the bearing behind it. So if you blow a seal, you should change the bearing behind it as well and that is the reason, why you have to drop the axle. The parts (Seal&bearing) per side are around 900-1000$, but it is a lot of hours. If you have axle out, you probably should change both sides at the same time. So the total cost (incl labour) per axle are around 10,000-15,000 $



I think it is more an ageing problem than a hp issue. The worst part is, that Case doesn't have "improved" seals or bearings available.

Let's face it......
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post #14 of 23 (permalink) Old 05-15-2019, 03:04 PM
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Its a big job. My tractor is in the shop right now to get them changed on one axle and i know from 2 more with the same problem. My understanding is, that not the seal is the problem....it is the bearing behind it.
I think it is more an ageing problem than a hp issue.

That’s interesting, without knowing that, I would have concluded it was a horsepower issue in our situation. It is making a lot of power, but this tractor only ever gets worked relatively hard in the 6-7 mph speed range, which should still be keeping the torque pressures down on the final drives to something similar to a 600 HP pulling at 4.5 mph. It’s rather odd, because neither the weight nor the draft nor the steering force is transferred through the axle bearings on a CIH Quadtrac.

Bearings and planetary replacement are needed on both sides in the front for this one. Hopefully those elusive bigger chassis 16 litre ones start rolling out the door soon! This one’s waiting to back off to the second tier job.


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post #15 of 23 (permalink) Old 05-15-2019, 05:42 PM
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Thatís interesting, without knowing that I would have concluded it was a horsepower issue in our situation. It is making a lot of power but this tractor only ever gets worked relatively hard in the 6-7 mph speed range, which should still be keeping the torque pressures down on the final drives to something similar to a 600 HP pulling at 4.5 mph. Itís rather odd, because neither the weight nor the draft nor the steering force is transferred through the axle bearings on a CIH Quadtrac.
I am thinking the same way. I have more a feeling, that they changed the supplier or something. I have never heard about issues on the previous models.....at least not in our area.

Do you have more pic's of the repair?

The "new" Quads should roll out 2020 or 2021, but so far i am hearing it will be only a exterior design change with the new interior design as well.....similar to the Magnums. HP/engine will probably not change....at least not in the near future

Let's face it......
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post #16 of 23 (permalink) Old 05-15-2019, 07:14 PM
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Do you have more pic's of the repair?

I do have a photo of a torn up axle bearing cup provided by the owner, I don’t think I’ll share that on here right now. I did notice while I was laying on a creeper under that giant casting assembly before it went on the truck the following casting letters, GERMANY
But I won’t likely have the bearing in my hand to establish a brand or origin.

I don’t doubt that the present lineup will only receive a general makeover. If there actually is a bigger one in the works it might only be in the pre-prototype stage or less by then.
.

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post #17 of 23 (permalink) Old 05-15-2019, 08:18 PM
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I do have a photo of a torn up axle bearing cup provided by the owner, I donít think Iíll share that on here right now.
I have trouble seeing how a torn up axle bearing cup would violate any unwritten pornography law of the forum.
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post #18 of 23 (permalink) Old 05-15-2019, 09:38 PM
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I have trouble seeing how a torn up axle bearing cup would violate any unwritten pornography law of the forum.

Tantalizing isnít it ! I know what your type really want to see are the cones.
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post #19 of 23 (permalink) Old 05-15-2019, 09:41 PM
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I think it’s just a piece of crap issue.

I wonder if there isn’t more axle torque on that than a guy thinks from the belt pulling on it.
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post #20 of 23 (permalink) Old 05-15-2019, 09:48 PM
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I think itís just a piece of crap issue.
I think you are the guy that says what everyone else is thinking...

I recall seeing a pile of quads going through the local shop for seeping axle seals, some more than once!


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