ID a old rear end/ differential

Discussion in 'Ask An Owner Operator' started by Tbag3, Jul 5, 2025.

  1. Tbag3

    Tbag3 Bobtail Member

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    Can anyone tell me what size these are just from the pictures. It’s a 79 Freightliner with aluminum frame
     

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  3. Tbag3

    Tbag3 Bobtail Member

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    I lost my password to my account, I just made this one. If it’s in the wrong forum just let me know and I’ll repost elsewhere
     
  4. wore out

    wore out Numbered Classic

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    Them would most likely be SQ100 Rockwells.
     
    exhausted379 Thanks this.
  5. Tbag3

    Tbag3 Bobtail Member

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    Ok thanks, I could make out a few stamps on the housing. 3776 but wasn’t sure what it means, I’ll be picking it up Monday.
     
  6. Tbag3

    Tbag3 Bobtail Member

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    I was hoping that they weren’t 38,s I know they were pretty common back then
     
  7. Tbag3

    Tbag3 Bobtail Member

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    Not a bad looking old truck for the price
     

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  8. Tbag3

    Tbag3 Bobtail Member

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    Thanks a lot man
     
    wore out Thanks this.
  9. Lazer

    Lazer Road Train Member

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    Just for curiosity, what is the price?
     
  10. Tbag3

    Tbag3 Bobtail Member

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    4000$ 400 big cam 2, 13spd, and decent tires all around. Gonna buy it and run it. Figured it worth that for scrap price since it aluminum frame and good drivetrain
     
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