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Click on image for the lowdown. 
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| | | Forums66 Topics128,060 Posts1,055,833 Members48,426 | | 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: Jun 2014 Posts: 17 New Guy | | New Guy Joined: Jun 2014 Posts: 17 | Hi, I have a 1949 1/2 ton. It came with a 3 speed but the PO removed the column shift. I really want a floor shift so I found a sm 420 but the output shaft doesn't match up. I think it may have been off of a 1 ton. Does anyone have any ideas of how I can get this to hook up to the torque tube? Thanks, this Site is so helpful. | | | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | You need the rear cover/housing from an SM420 that was used with a torque-tube (1948-1954). It will replace the open-rear cover on later SM420s.
| | | | | Joined: Jun 2014 Posts: 17 New Guy | | New Guy Joined: Jun 2014 Posts: 17 | It does have the cover. I think I need the yoke that bolts to the universal joint and has the speedo drive gear. | | |
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