LUC register

I'm working on two LUC's and was wondering if anyone has a register site for the serial numbers. These two are C 59229 and C 30607. I'd like some idea on the year each was made.

i too have a luc that i just recently got running but dont know much of the history of the engines. mine is only a 4 digit serial #, ill have to look at it again to get the exact #. the research i have done leads me to think that they were only made in 1945 and '46, but used for a few years. and that is solely based on what the article that i linked states on page 3 & 4.

going off the serial #'s that seems like an awful lot of engines to build in 2 years back in the mid 40's but i guess anything is possible. if you figure your numbers and that you probably dont have the last one made, thats over 60,000 engines in 24 months is 2500 engines a month or 83 a day dont seem possible

i am interested in what anyone else knows about them too.
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green magazine had an article on the LU power units in their august 2011 issue. i finally got around to digging it out. it says that production of the LUC started on June 6th of 1945 with serial number 1001. it lists how many of each version were built through 1946 with the LUC having 10,314 made, but then goes on to say that they moved production from Moline to Dubuque and that the LUC was the first production to come out of the new factory in Dubuque that was on September 17th of 1946. it doesn't give an end date for production of the engine but goes on to say that "it was used on every 12-A combine that was engine driven from 1946 through the combines end in 1952, a production that numbered in the tens of thousands".

it would appear that they were made for more than 2 years like the previous article i attached stated. they were probably miss led because they were made for 2 years in Moline then got moved to Dubuque.

i checked my serial number it is C8285. so my interpretation is that mine was probably built in 1946 in Moline, and yours were probably built in Dubuque but would be hard to pin down what year or years specifically.