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Technical Anybody know what rear end this is?

Discussion in 'The Hokey Ass Message Board' started by herbiep81, Feb 8, 2018.

  1. This is sitting under a 66 C-10 that my buddy is looking at. I have never seen one but figured if anyone has, he's on here.

    image1.jpeg image2.jpeg
    chryslerfan55 likes this.
  2. alchemy
    Joined: Sep 27, 2002
    Posts: 17,894


    Either out of a Ford big truck from around 1939 to the 50's, or some Studebakers had the same unit. Full floater axles. Show us pics of the brake backing plates and we can probably narrow it down.
    porknbeaner and chryslerfan55 like this.
  3. I will try and get some more pictures this weekend.

  4. Dodge Bros used one with a center like that in the '20s but it was not a floater like a big truck.

    Alchemy I believe has nailed it.

  5. dirty old man
    Joined: Feb 2, 2008
    Posts: 8,912

    dirty old man
    Member Emeritus

    Back in my dirt track racing days I spent enough time rambling thru country junk yards looking for these rear ends that I can say that Alchemy is definitely 100% correct.
    Early ones from Ford had a "wide 5" bolt pattern, and they changed to the 8 bolt pattern in early 40s. I believe the Studebakers all had 8 bolt.
    tractorguy likes this.
  6. I hate to muddy up the waters but it seems to me like I have seen older 4x4 conversions that used drives like that.
  7. jeepsterhemi
    Joined: Dec 5, 2009
    Posts: 5,802


    1958 GMC-01.JPG 1958 GMC-02.JPG
  8. squirrel
    Joined: Sep 23, 2004
    Posts: 50,884


    66? Was GMC using the 55-59 cabs that late? I kind of doubt it, but they did some strange things.

    Neat truck. I don't know anything about the rear.
  9. Terraizer
    Joined: Jul 18, 2006
    Posts: 518


    Looks like the same rear end from under the 1952 ford f2 I once owned, geared very low. Studebaker had a large five and six lug pattern on 3/4 - 1 tons , never seen one with stock 8 lugs. I would say late 40's - early 50's ford, they used 8x6.5 bolt pattern and where full floating like that one.
  10. jeepsterhemi
    Joined: Dec 5, 2009
    Posts: 5,802


    There was also a 4X4 Ford in in my friend yard........

    Ford-01.jpg Ford-02.jpg
  11. Marty Strode
    Joined: Apr 28, 2011
    Posts: 6,700

    Marty Strode

    It's referred to as a Timken, as others have stated, used in Fords & Studebaker 3/4 ton trucks. It was also the basis for champ quickchange rear ends, the removable housing was used in pairs, along with the carrier. I have one that Frankland welded a plate on the back, and added a lower shaft, for an early quickchange conversion.
    Last edited: Feb 8, 2018
    Bandit Billy and tractorguy like this.
  12. dirty old man
    Joined: Feb 2, 2008
    Posts: 8,912

    dirty old man
    Member Emeritus

    The stock gear ratio(s) were 4.86: &4.11:1 although I never saw anything but 4.86.
  13. tractorguy
    Joined: Jan 5, 2008
    Posts: 721


    Marty......your comments bring back memories of the second dirt track stock car we built in 1966. Thought we had to have a quick change, so we bought a well-used 3/4 rear end like this that had the early Frankland conversion. We could never get bearings to stay in the aluminum Q/C cover. I still have several of the original failed covers as reminders to never buy well-used drivetrain parts.

    We got a decent sponsor later in the season and used most of the money to buy a new style Frankland 3/4 quickchange with a new aluminum center section. Those were the days !!
  14. R Pope
    Joined: Jan 23, 2006
    Posts: 3,309

    R Pope

    WWII Canadian made Army trucks used them too. Many thousands of them!
  15. flatheadtommy
    Joined: Oct 21, 2013
    Posts: 1,012


    Thats a 3/4 to 1 ton Ford from 1949 down I believe.
  16. Mr48chev
    Joined: Dec 28, 2007
    Posts: 30,812


    Well I am going to say that the rear that the OP showed in post 1 under the 66 C10 got there the same way the one did that is under the yellow mid 50's GMC 550 that Jeepsterhemi posted. That was what they had available that day when they needed a rear axle to put under the truck. The "we can cut it out of that old _____ and change the pads and have it under the truck in a couple of hours" thing.
  17. BJR
    Joined: Mar 11, 2005
    Posts: 7,457


    I think I have seen that rear end under some late 40's and 50's Willys trucks. I don't remember if they were 4 wheel drive, but I think they were.
  18. studebakerjoe
    Joined: Jul 7, 2015
    Posts: 875


    My old 48 Willys pickup had that timken rear. Yes BJR 4x4 with 5.38 gears. But the Willys were 5 lug.

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