I found Model T block with a serial number T207945. What does the "T" in serial number represent?
Thanks
Motor Serial Number
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David Tipton
Topic author - Posts: 23
- Joined: Mon Jan 07, 2019 12:14 pm
- First Name: David
- Last Name: Tipton
- * REQUIRED* Type and Year of Model Ts owned: 1915 Touring
- Location: Colleyville, TX
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Mark Gregush
- Posts: 5370
- Joined: Sat Jan 05, 2019 1:57 pm
- First Name: Mark
- Last Name: Gregush
- * REQUIRED* Type and Year of Model Ts owned: 1925 cutdown PU, 1948 F2 Ford flat head 6 pickup 3 speed
- Location: Portland Or
- Board Member Since: 1999
Re: Motor Serial Number
Unless it is an early block could be rebuilders number or state issued number or could have been number used by manufacture for something like a combine or boat for example, that would have bought the engine from Ford without number. Without the T the number would be around Feb 1913 and could have been stamped on bare block, the T standing for transferred number. Or?
I know the voices aren't real but damn they have some good ideas! 
1925 Cut down pickup
1948 Ford F2 pickup
1925 Cut down pickup
1948 Ford F2 pickup
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David Tipton
Topic author - Posts: 23
- Joined: Mon Jan 07, 2019 12:14 pm
- First Name: David
- Last Name: Tipton
- * REQUIRED* Type and Year of Model Ts owned: 1915 Touring
- Location: Colleyville, TX
Re: Motor Serial Number
Thanks,
I've asked him to send me a picture of the side of the block showing the casing date, I'll see what he if he does.
Thanks
I've asked him to send me a picture of the side of the block showing the casing date, I'll see what he if he does.
Thanks
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Wayne Sheldon
- Posts: 4249
- Joined: Sun Jan 06, 2019 3:13 pm
- First Name: Wayne
- Last Name: Sheldon
- * REQUIRED* Type and Year of Model Ts owned: 1915 Runabout 1913 Speedster
- Location: Grass Valley California, USA
- Board Member Since: 2005
Re: Motor Serial Number
Mark G gave a good answer. The fact is that to get a full answer to your question (If one is even possible?), we must know as close as reasonable what year the engine block is. Blocks had minor changes all through the years of model T manufacture, and even beyond. There were several major changes as well. With one notable exception, no particular set of block details went over two years. That one exception is from late '22 through model year '25. without the "Ford" script on the left side. I forget exactly when that "Ford" script was dropped from the block. Casting dates were dropped from the blocks about 1922.
With the block narrowed down to a year or two, then a reasonable assessment can be speculated on for the meaning of the "T". A lot of engines were sold by Ford for many different uses. Farming equipment, boats, power for machine shops, mines, tow motors for factories, etc etc etc. There were no hard and fast rules about serial numbers. Different states had rules for themselves, different companies had their own rules. Rules were different for replacement engines, replacement blocks, a dozen other things. Many other engine users did use a letter or two in front of their serial numbers. SO that may be what you have.
With the block narrowed down to a year or two, then a reasonable assessment can be speculated on for the meaning of the "T". A lot of engines were sold by Ford for many different uses. Farming equipment, boats, power for machine shops, mines, tow motors for factories, etc etc etc. There were no hard and fast rules about serial numbers. Different states had rules for themselves, different companies had their own rules. Rules were different for replacement engines, replacement blocks, a dozen other things. Many other engine users did use a letter or two in front of their serial numbers. SO that may be what you have.