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Click on image for the lowdown. 
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| | | Forums66 Topics128,034 Posts1,055,440 Members48,422 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Nov 2009 Posts: 33 New Guy | | New Guy Joined: Nov 2009 Posts: 33 | I just purchased a th-400 for my 50 3100 I am trying to identify the year and model information. there is a metal tag rivited to the case. the top line reads 280 and the second line reads ca-66-17166 I have looked on line but cant find any info any help would be appreciated | | |
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