Engine Serial Numbers
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Mountain Pass
Joined: May 2020
Posts: 142
Likes: 9
Engine Serial Numbers
Does anyone know how to decode the serial numbers that are stamped on the engine block? I got a couple of free motors, both 7.3L, but was wondering if the serial numbers would denote what year/model they came out of, where they were built, and anything else like that. I suppose it doesn't really matter, I just think it would be cool to know. One of them has a brass plate, with additional numbers, riveted onto the engine. I'm guessing that's some kind of marking to indicate that it was rebuilt?
The numbers on the engine, that is currently in my truck, are 6.9D U2 U297749. Obviously, the 6.9 designates the engine size and the "D" stands for diesel. But I want to know if any more information can be derived from the remaining digits. From what I read on the internet last night, the "U2" designates that it was built for a Ford. If it was built for an International it would have been "M2". Can anyone confirm this? I'll include photos of all the serial numbers in a couple of minutes.
The numbers on the engine, that is currently in my truck, are 6.9D U2 U297749. Obviously, the 6.9 designates the engine size and the "D" stands for diesel. But I want to know if any more information can be derived from the remaining digits. From what I read on the internet last night, the "U2" designates that it was built for a Ford. If it was built for an International it would have been "M2". Can anyone confirm this? I'll include photos of all the serial numbers in a couple of minutes.
Fleet Mechanic
Joined: Sep 2016
Posts: 1,519
Likes: 224
From: Nevada
Found a few threads explaining the serial numbers.
https://www.oilburners.net/threads/i...numbers.72736/
https://www.oilburners.net/threads/l...ire-run.80987/
https://www.oilburners.net/threads/e...rbo-7-3.79926/
https://www.oilburners.net/threads/t...-please.61596/
In my search, the only thing that came up for FTE was for the Power Stroke.
Charlie
https://www.oilburners.net/threads/i...numbers.72736/
https://www.oilburners.net/threads/l...ire-run.80987/
https://www.oilburners.net/threads/e...rbo-7-3.79926/
https://www.oilburners.net/threads/t...-please.61596/
In my search, the only thing that came up for FTE was for the Power Stroke.
Charlie
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