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Click on image for the lowdown. 
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| | | Forums66 Topics128,091 Posts1,056,034 Members48,433 | | 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
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on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Feb 2017 Posts: 43 Wrench Fetcher | | Wrench Fetcher Joined: Feb 2017 Posts: 43 | Trying to ID the torque tube type 3 speed in my 40 3/4 ton Chevy. It's 11.5 inches long. Casting #'s 591195...GM4...42...4227. Some of the casting #'s are hard to see so I may not have them exactly right. | | |
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