Cub Crankshaft Numbers??

Anonymous-0 · Feb 17, 2009

I have 3 Cub crankshafts. Each has a different part number. Is there any reference to match the part number to application?
All I find in the parts book is a part number for the crankshaft assembly (bearings, rods, etc.), but not the crankshaft alone. I have heard the crankshafts were strengthened for the numbered series Cub Lo-Boys. Is this true?
The numbers I read on mine are: 251264R1, 531792R1 and the third is unreadable. Could be 27486?R1.
Help will be appreciated.
K-Mo

Bus Driver · Feb 17, 2009

None of those numbers appear in the latest print edition of the Cub (regular and LoBoy) parts catalog. Possible explanations are that the cranks came from engines built for other purposes, such as balers and combines. If the crank has no bore for transmission shaft pilot bearing, that rules out use in the regular Cub.

Rudi · Feb 19, 2009

K-Mo:

(quoted from post at 14:09:43 02/17/09) I have 3 Cub crankshafts. Each has a different part number. Is there any reference to match the part number to application?
All I find in the parts book is a part number for the crankshaft assembly (bearings, rods, etc.), but not the crankshaft alone. I have heard the crankshafts were strengthened for the numbered series Cub Lo-Boys. Is this true?
The numbers I read on mine are: 251264R1, 531792R1 and the third is unreadable. Could be 27486?R1.
Help will be appreciated.
K-Mo

I just checked the ENG-1 Parts Catalog and the 251 264 R1 is not listed but the 251 264 R11 is but has been replaced. So the parts number is definitely for a C-60 Engine.

You could check the other Cub Parts Manuals to see which application the engine was from. I do not have all of the Parts Catalogs up yet, but am working on the.

Hope this helps.

Cub Crankshaft Numbers??

Anonymous-0

Well-known Member

Bus Driver

Well-known Member

Rudi

Member

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