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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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| | | | Joined: Aug 2007 Posts: 67 Wrench Fetcher | | Wrench Fetcher Joined: Aug 2007 Posts: 67 | I am looking at a a 1962 k20 it has a four shaft transfer case I thought these only had the 3 shaft 205? cases in them? Any help would be great. As i know pretty much nothing about older four wheel drives. Thanks Matthew
1947 1Ton stepside
1962 K20 Fleetside
1962 C40 12' flatbed
1963 C10 Stepside
1963 C20 Fleetside
1965 C10 Stepside (Daily Driver)
1973 C20 Stepside fire truck
1973 C50 Utility truck Houston Power & Light
| | | | | Joined: Mar 2006 Posts: 76 Wrench Fetcher | | Wrench Fetcher Joined: Mar 2006 Posts: 76 | They all have the rockwell t-221 transfer case with 3 drive shafts. One of the shafts might be for a pto. I think the k-20s had that option.
1961 k-10
86 c-20
02 duramax
| | | | | Joined: Mar 2009 Posts: 788 'Bolter | | 'Bolter Joined: Mar 2009 Posts: 788 | They all have the rockwell t-221 transfer case with 3 drive shafts. One of the shafts might be for a pto. I think the k-20s had that option. the fourth shaft would be coming from a pto, not for a pto but for whatever it has to drive. that means that it has a pto on it. it should have a t221 unless someone upgraded it to something else ron | | | | | Joined: Aug 2007 Posts: 462 'Bolter | | 'Bolter Joined: Aug 2007 Posts: 462 | normally the pto is run off the transmission do you have any pics | | | | | Joined: May 2006 Posts: 8,351 'Bolter | | 'Bolter Joined: May 2006 Posts: 8,351 | IIRC, the Timken 221 has provisions for 2 PTOs, one on each side. I'll have to check the manual to be certain on that. There is also a PTO on the drivers side.
Bill Burmeister
| | | | | Joined: Mar 2009 Posts: 788 'Bolter | | 'Bolter Joined: Mar 2009 Posts: 788 | I am looking at a a 1962 k20 it has a four shaft transfer case I thought these only had the 3 shaft 205? cases in them? Any help would be great. As i know pretty much nothing about older four wheel drives. Thanks Matthew perhaps if there was a picture it would solve the confusion ron
Last edited by padresag; 08/04/2009 7:41 PM.
| | | | | Joined: Aug 2007 Posts: 67 Wrench Fetcher | | Wrench Fetcher Joined: Aug 2007 Posts: 67 | Thanks for all the help guys. I know this day and age i should have a way to put up pictures. But i dont . It looks like the pics K10 put a link too. On more question is this a good 4x4 to have behind a 350? I have read that they some times have a over heating issues? I am look at making this a daily driver. And it can get hot in Texas. Any help or other ideas is a great help. Matthew
1947 1Ton stepside
1962 K20 Fleetside
1962 C40 12' flatbed
1963 C10 Stepside
1963 C20 Fleetside
1965 C10 Stepside (Daily Driver)
1973 C20 Stepside fire truck
1973 C50 Utility truck Houston Power & Light
| | | | | Joined: Mar 2009 Posts: 788 'Bolter | | 'Bolter Joined: Mar 2009 Posts: 788 | | | | | | Joined: Aug 2007 Posts: 67 Wrench Fetcher | | Wrench Fetcher Joined: Aug 2007 Posts: 67 | Did you get the pics I sent you Ron?
1947 1Ton stepside
1962 K20 Fleetside
1962 C40 12' flatbed
1963 C10 Stepside
1963 C20 Fleetside
1965 C10 Stepside (Daily Driver)
1973 C20 Stepside fire truck
1973 C50 Utility truck Houston Power & Light
| | | | | Joined: Mar 2009 Posts: 788 'Bolter | | 'Bolter Joined: Mar 2009 Posts: 788 | it is a T221 t/c. there are only 3 d/shafts coming from it. the small 4th shaft that you see protruding is a shifter rail.
ron | | | | | Joined: Aug 2006 Posts: 112 Wrench Fetcher | | Wrench Fetcher Joined: Aug 2006 Posts: 112 | the T-221 is NOISY, it has straight cut gears...also, the output shafts are roller bearing supported which have a reputation for wearing fast and they run warm/hot. If it is in good shape, put some lucas oil stabilizer in it....it will reduce the temp, and some of the noise. They are just about as strong as a 205 if in good shape. Rebuild kits are still available.
64 & 66 GMC long fleetside 4x4
Cartwright, OK
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