Case 400 Camshaft Bearings

Olie · Feb 10, 2016

How big a job is it to put camshaft bearings in a 400 Case Diesel. I put them in John Deeres but this is my first Case. I had a W4 McCormick Deering and had to send that one out to have it done.
Thanks

EliG · Feb 10, 2016

If it is a 251 cubic inch block casting # 4900AA you will to get a hold of John Saeli on here to get the bearings as they are no longer available from Case and he has a solution to get around that. The bearings he supplies require two per journal. You will need to put both in with a gap between them. I got to do mine twice because the shop that put mine in messed it up and the cam wouldn't go in. When I did the second set I pressed the two halves together and then drilled out the oil holes for the journals. Either way of installation will work. If you have a 267 cubic inch block casting #A11168 typical 1 piece bearings are still available and easy to install.

Eli

tomturkey · Feb 10, 2016

Elig, thanks for the info. Thinking a 400, 251ci, rebuild may be in my future. Knowledge is priceless. thanks gobble

casenut1 · Feb 10, 2016

If it's a 267B, they were in the 770 tractor .

EliG · Feb 10, 2016

Tom if you have any questions let me know. I've been through my 400 diesel from the radiator cap to the drawbar. I forgot to add that the 267 cubic inch block is the super diesel variant of the 400's and has bigger cam journals so the bearings are not interchangeable with the 251 cubic inch bearings.

Eli

John Saeli · Feb 10, 2016

Hold Up! Some misinformation here. All 400's, whether Gas or Diesel, 251 or 267, all use the same Cam Bearing. They are at this time available from CASE. Actually, the 400, 500 600 700 800 & 900, whether Gas or Diesel, all take the same Cam Bearings. The 6 CYL uses 1 more than the 4 CYL.. CASE went to a larger journal starting in 1960 w/ the '30 Series.

Olie · Feb 12, 2016

John, can I put the bearings in without taking the motor out of the tractor. Is there a secret to doing it without taking it out?

EliG · Feb 13, 2016

Well first off sorry about saying the bearings were different between the 251 and 267. I have been told they were different but check of the parts book confirms what John said.

I think you could change all of them except the the rear one with the block in the tractor. The back one has a welch plug on the back side of the block so you would only have access to it from one side. I suppose if you could figure out a way to get the bearing out from the front side of the bore it is possible to do. But you would be working from the bottom of the engine (upside down) which won't be easy. The other issue with the block in the tractor is that the lifters may fall out when you pull the cam out. If it were me I'd just pull the engine so you can turn it upside down and see what you are doing. This will also give you access to the welch plug on the rear journal to remove it so it will be easier to do that journal.

Eli

Case 400 Camshaft Bearings

Olie

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tomturkey

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casenut1

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EliG

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John Saeli

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Olie

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EliG

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