Re: farmall a and farmall b engines

Posted by Hugh MacKay on May 12, 2007 at 03:02:51 from (216.208.58.184):

In Reply to: farmall a and farmall b engines posted by David Howe on May 11, 2007 at 21:03:09:

David: There is no difference between A and B engines, both C-113 and both the same block part number. The SA up to serial number 310000 and all C had a different block part number, and the difference was port for hydraulic pump, they were still C-113.

The block did change substancially for SC and SA after serial 310000. It was C-123 in SC and with thicker sleeves, remained C-113 in SA. The last 1,957 SA built were called SA1 and had C-123 specs.

That doesn't mean you don't have a particular older tractor with C-123 specs. The original C-113 had 3" bore. Everyone of these engines going back to 1939 can be modified for 3-1/8" bore sleeves. Some even have 3-1/4" bore sleeves. any of these last modifications will have taken place since tractor was new. It is possible with some of them to change crank and get C-135 engine. Whether any of these changes are worthwhile is questionable. IH did change that block as I indicated in the first two paragraphs, thus the casting may have been beefed up in certain places.

Replies:

• Re: farmall a and farmall b engines Brown Dirt Cowboy 07:38:09 05/12/07 (0)

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