cockshutt 40 6B230 engine February 27, 2023 04:57AM
I'm working on a buda 6B230 gas engine in a cockshutt 40 and the pistons are down
about 1/4-5/16' of a inch at TDC and are dished pistons. Also appears to have been bored over some as well. the
piston part numbers are 451382. Can anyone tell me what funky combination I have here knowing the pistons should not be that far down at TDC?
Thanks

Re: cockshutt 40 6B230 engine February 27, 2023 06:35AM
Is your head flat, or does it have a combustion chamber?

Re: cockshutt 40 6B230 engine February 27, 2023 06:54AM
bille, I beleive it is flat

Re: cockshutt 40 6B230 engine February 27, 2023 11:32AM
If you have the flat head it would not turn over if the pistons were flush with the deck

Re: cockshutt 40 6B230 engine February 27, 2023 12:32PM
IF YOUR GOING TO PULL IT YOU NEED TO CROSS THE 273 FROM A 50 WITH AN ALL 264

Re: cockshutt 40 6B230 engine February 28, 2023 01:05AM
Lewis Conner , what all is needed?

Re: cockshutt 40 6B230 engine February 28, 2023 01:04AM
Patches that makes sense. Didn't think of that
Thank You

Re: cockshutt 40 6B230 engine February 28, 2023 01:16PM
Are you planning on pulling this 40 if so what class the 230 wont be a good choice

Re: cockshutt 40 6B230 engine February 28, 2023 01:37PM
I'm not sure about all but those Buda engines used in the 40/50 Cockshutts and the d-19 allis Chalmers were different from what we normally expect. The gas engines had a flat head with combustion chambers in the pistons while the diesels had flat top Pistons and combustion chambers in the head. It's likely yours has factory pistons just maybe oversized a little and bored out. The b230 in the 40s and the 262s in the d-19s/gleaner combines were sleeved engines. The b273 in the 50s was not. You can take the crank and cam out of the 262s and put in your 230 and it will give you I believe a 1/4” longer stroke and it's a direct swap no machine work required. If you decide to go big there's not much room in those blocks to get big cubic inches. A lot of guys who do that change to the Hercules engines. Hope this helps some.

Re: cockshutt 40 6B230 engine March 01, 2023 01:05AM
very much thank you

Re: cockshutt 40 6B230 engine March 01, 2023 01:44AM
This one does have sleeves

Re: cockshutt 40 6B230 engine March 01, 2023 01:46AM
also are all the pushrods the same length on the 6b230?

Re: cockshutt 40 6B230 engine March 01, 2023 01:08AM
It will be a puller. 3-4mph. 4-5,000lb class
It is my buddies tractor just helping him

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