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Need Help to IDENTIFY YEAR D2 Serial plate is off engine and trans Winch covers

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2 months 1 day ago #239469 by G2D2
Howdy from Oregon y'all!
I just bought a Caterpillar D2 and the engine tag is missing and the tag on the trans is hidden by the Winch.. I have seen similar ones that say they are 1951 or 1953?  But I would like to know for sure and I know for sure someone here can ID it :)
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2 months 1 day ago #239471 by josh
In the 4th picture, you can see where the serial number tag on the engine block was, there is one rivet left and a hole for the other rivet, if you scrape the paint off between the two rivets, you may be able to see the serial number stamped in the block.
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2 months 1 day ago #239472 by Disqualified
When I was playing this game with my d4, old magnet said to check the engine oil pan flange. I found the serial number neatly stamped right there.

Hopefully that might help you too..
Thanks again old magnet

www.acmoc.org/bb/discussion-d72/28630-help-identify-my-d4

'48 D47U
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2 months 1 day ago #239474 by Rome K/G
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2 months 1 day ago - 2 months 1 day ago #239478 by neil
The transmission at least is post 5U13273 (or the 4U equivalent) because it has the two-piece clutch shaft which would make it in the early '50s I think. I'm wavering on the dash forward though without my parts catalog because the gauges are not mounted on the separate small dash unit - I don't know when that change was made, and the governor control does not have a remote handle mounted on the governor assembly itself. The fenders are also pressed steel. I suspect the transmission and engine serial numbers might not match but only one way to find out for sure

Cheers,
Neil

Pittsford, NY
Last edit: 2 months 1 day ago by neil.
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2 months 1 day ago - 2 months 1 day ago #239480 by Old Magnet
The fill plug vs two bolt cover on the pony clutch housing puts it in the 47-48 era. Course it could have been changed.
The transmission shift lever puts in the late class. Looks like a hybrid mix. Can't quite see the compression release mechanism.
Last edit: 2 months 1 day ago by Old Magnet.
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2 months 13 hours ago #239506 by G2D2
Thank you! I will try and strip the paint

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2 months 13 hours ago #239507 by G2D2
Thank you!  I will Check the flange, going to change the oil tomorrow.

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2 months 13 hours ago #239508 by G2D2
Neil, Great stuff Thank you!!   At 5U16128, an oil clutch became standard where would I look for an indication of that? 

I will have to become a Member of ACMOC if they have all the parts books in .PDF?  looks like they have a good bit of literature anyway.

 

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2 months 13 hours ago #239509 by G2D2
Old Magnet, I appreciate the info!  I will try and take a better photo of the compression release I know it's brass.. From what you and Neil have said I'm thinking at some point it was updated to a new tranny and some parts were swapped here and there.
Thank you!

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