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Engine number

Farmall B & BN Tractors, 1939-1947
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Dusty B
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Tractors Owned: '45 SC Case
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Engine number

Postby Dusty B » Tue Jun 29, 2021 4:59 pm

Is there a source for determining the year based on the engine number? Original seat with serial plate long gone! Engine number is 6942 DH as far as I can tell. Or are there other part numbers that would give me a verification of the year of production? Thanks in advance for leads! :help:
Grandpa's '41 B
'56,,'57,'59, Cu'b
'45 C
'55 Case S
Dad's DB garden tractor
'48 DeSoto
'31 "A Coup
'79 Lincoln TC
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Jim Becker
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Re: Engine number

Postby Jim Becker » Tue Jun 29, 2021 5:12 pm

6942DH is a part number, which is a misread of part number 6342DH. The part number is cast in. The engine number is stamped in on a machined boss just below spark plug number one. The engine number, if the original engine, can tell you the year.

SamsFarm
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Re: Engine number

Postby SamsFarm » Wed Jun 30, 2021 8:56 am

The pad Jim speaks about is on the right side of the block, just below where the block and cylinder head mate.

I have a BN and it has the same serial number as the tractor.

The engine prefix should be FBM
1968 Cub Fast-Hitch

User avatar
Dusty B
10+ Years
10+ Years
Posts: 1880
Joined: Wed May 23, 2007 7:35 am
Zip Code: 61736
Tractors Owned: '45 SC Case
Circle of Safety: Y
Location: IL, Downs
Contact:

Re: Engine number

Postby Dusty B » Sun Jul 11, 2021 1:08 pm

Thanks , will check that out!!
Grandpa's '41 B
'56,,'57,'59, Cu'b
'45 C
'55 Case S
Dad's DB garden tractor
'48 DeSoto
'31 "A Coup
'79 Lincoln TC
God looks out for those of us who don't know how to look out for ourselves!


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