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1979 Onan 10CW Generator


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  #11  
Old 10-20-2017, 10:31:03 PM
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Default Re: 1979 Onan 10CW Generator

Look carefully at the serial number 668543779 and see if the third digit isn't a letter "B". I may be wrong but if it is a letter "B" instead of the number "8" then the set was built June of 1956.
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  #12  
Old 10-20-2017, 10:32:13 PM
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Default Re: 1979 Onan 10CW Generator

June of 68 Do you have the model number or did you post it previously? Thats wierd I adjusted my post to read is there a (.) or letter because that changes the serial.
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Old 10-20-2017, 10:38:53 PM
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Default Re: 1979 Onan 10CW Generator

Its not legible. Can barely read it

Model and spec no

10cw 3B. 6630

Maybe very difficult to read.
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Old 10-20-2017, 11:48:25 PM
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Default Re: 1979 Onan 10CW Generator

Here is close as I can find though I dont believe it is the one because of the Engine Data Code. They are not the same.
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File Type: pdf 10CW3M663B.pdf (46.2 KB, 23 views)
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Old 10-20-2017, 11:51:34 PM
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Default Re: 1979 Onan 10CW Generator

Here is close as I can find though I dont believe it is the one because of the Engine Data Code. They are not the same.

It should look something like this. 10CW-3M/663B
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Old 10-21-2017, 12:02:15 AM
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Default Re: 1979 Onan 10CW Generator

Here is a pic of the tag. Its barely legible.
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Old 10-21-2017, 12:19:27 AM
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Default Re: 1979 Onan 10CW Generator

The third symbol looks like a "B". "B" is 1950's so my interpretation is "B" equals 1950's and the 6 just ahead of the "B" adds to 1950 and comes up with 1956. The first 6 is the 6th month or June.
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Old 10-21-2017, 07:20:48 AM
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Default Re: 1979 Onan 10CW Generator

Motorhead I believe you are correct. It looks to read 3R/663C or 6630. A little black shoe polish may enhance it enough to read it better. Either way this is as close as I can get with a build sheet.

Ok I enhanced the picture just enough to read it. It should be 10CW-3R/663C the serial # 66B543379

Actually the picture looked better on my computer.
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Old 10-21-2017, 09:08:59 AM
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Default Re: 1979 Onan 10CW Generator

Quote:
Originally Posted by Motorhead View Post
The third symbol looks like a "B". "B" is 1950's so my interpretation is "B" equals 1950's and the 6 just ahead of the "B" adds to 1950 and comes up with 1956. The first 6 is the 6th month or June.
I agree 1956 model.
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Old 10-21-2017, 11:54:41 AM
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Default Re: 1979 Onan 10CW Generator

87 amps total. Thats 43 amps roughly per leg. And two legs in this unit correct. If that is the case. That is much better the 20 amps roughly per leg i have now. Ill use it to power my RV in power outages etc. Among other things.
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