MD cylinder sleeve question.

Farmall M, Super M, 400, 450 & 560 Tractors, 1939-1963

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Jeff D. N.E. Wis.
10+ Years
10+ Years
Posts: 255
Joined: Mon Feb 03, 2003 2:00 pm
Zip Code: 54235
Circle of Safety: Y
Location: WI Sturgeon Bay

MD cylinder sleeve question.

Postby Jeff D. N.E. Wis. » Sat Aug 26, 2017 8:08 pm

I am about to start assembling our MD engine, so I may have more questions later. I was reading the service manual last night in regards to cylinder sleeve replacement. I was aware of the sleeve protrusion above the block deck. It states that it needs to be between .041" & .047" above the crankcase block.

I had an engine re-builder that I have used in the past do this engine also (turn crank, new cam bushings, pull & install new sleeves, etc.). I double checked the sleeve protrusion of mine and it is only .0045". I called him today and he said that the .041" - .047" sounded like an awful lot and didn't think the head gasket was that thick and that most engines with sleeves are at .005".

I don't want to get this put together and run it and find out that the head gasket is leaking and have to do a tear down again.

The question I have for the guys who have worked on these MD's, is that .041" - .047" the correct height needed or will it work as is? Any thoughts are appreciated. Thanks. :help:
49 Farmall Cub, 68 I-H Cub LoBoy
53 Farmall Super-A, 44 Farmall B
52 Farmall Super-C, 41 Farmall H
40 Farmall M, 46 Farmall M
51 Farmall MD, 54 Case 500 Diesel
71 Allis-Chalmers 160 Diesel

Jim Becker
Team Cub
Team Cub
Posts: 13797
Joined: Sun Feb 02, 2003 2:59 pm
Zip Code: 55319
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Location: MN

Re: MD cylinder sleeve question.

Postby Jim Becker » Sun Aug 27, 2017 1:21 pm

There are probably more regular posters over on the YT site that work on the gas start Diesels than there are here. You got some useful replies there.

Jeff D. N.E. Wis.
10+ Years
10+ Years
Posts: 255
Joined: Mon Feb 03, 2003 2:00 pm
Zip Code: 54235
Circle of Safety: Y
Location: WI Sturgeon Bay

Re: MD cylinder sleeve question.

Postby Jeff D. N.E. Wis. » Sun Aug 27, 2017 2:33 pm

Thanks Jim. I was trying to get as many replies as I could from here, Red Power, & YT.
49 Farmall Cub, 68 I-H Cub LoBoy
53 Farmall Super-A, 44 Farmall B
52 Farmall Super-C, 41 Farmall H
40 Farmall M, 46 Farmall M
51 Farmall MD, 54 Case 500 Diesel
71 Allis-Chalmers 160 Diesel


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