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No engine serial number
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- 5+ Years
- Posts: 441
- Joined: Sat Jul 12, 2014 10:10 pm
- Zip Code: 53105
- Tractors Owned: '57 cub Loboy
'61 cub - Circle of Safety: Y
- Location: Wisconsin, Burlington
Re: No engine serial number
My first picture- hope it worked.
This was taken leaning over the engine, looking straight down at the first stud (from the front) that holds the exhaust manifold on. The number ( Z 577 ) is stamped right above that stud on the top "ledge" if you will .
- RaymondDurban
- Cub Pro
- Posts: 4435
- Joined: Wed Dec 26, 2007 7:45 pm
- Zip Code: 32536
- Circle of Safety: Y
- Location: FL, Crestview
Re: No engine serial number
I'm sorry to say that I am not sure what that means. I will record it within the database and see if others have the same information in the future.
Screwstick #3934
FCub - LoBoy - Numbered Series - Power Unit Databases
FCub - LoBoy - Numbered Series - Power Unit Databases
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- Team Cub
- Posts: 17272
- Joined: Sun Feb 02, 2003 2:59 pm
- Zip Code: 55319
- Circle of Safety: Y
- Location: MN
Re: No engine serial number
This is pure speculation. Since we know it is a replacement block, the Z 577 was probably put there by whoever installed that block. It may be to ID it as one he worked on or might be a job number. Note a slightly bigger space between the 5 and the 77. He may have date coded May '77 (reasonable for a '73 casting). If it was put there at installation time, we will probably never know what it meant.
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- 5+ Years
- Posts: 441
- Joined: Sat Jul 12, 2014 10:10 pm
- Zip Code: 53105
- Tractors Owned: '57 cub Loboy
'61 cub - Circle of Safety: Y
- Location: Wisconsin, Burlington
Re: No engine serial number
WOW- I feel honored to have stumped a couple of pros!!!
This is actually on a 1951 U1 power unit ( as determined by Raymond) installed in my 1961 cub.
I'm sure its something along the lines of what Jim suggests- just a means of keeping track of something, possibly a dealer or mechanic and not IH. We may never know but I would be curious if anyone else has a number there? Especially the engines that were power units perhaps?
This is actually on a 1951 U1 power unit ( as determined by Raymond) installed in my 1961 cub.
I'm sure its something along the lines of what Jim suggests- just a means of keeping track of something, possibly a dealer or mechanic and not IH. We may never know but I would be curious if anyone else has a number there? Especially the engines that were power units perhaps?
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