What is the torque spec for rear axle nuts on Peterbilt 379?

Discussion in 'Trucks [ Eighteen Wheelers ]' started by maxwellhouse, Dec 15, 2025.

  1. maxwellhouse

    maxwellhouse Bobtail Member

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    Dec 15, 2025
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    Just to clarify, I mean the large inner/outer nuts that hold the hub onto the differential. Does anyone know the torque specs on these?
     
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  3. Big Road Skateboard

    Big Road Skateboard Road Train Member

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    It depends. Does it have a spacer/sleeve between the bearings? I assume not if it has two nuts

    It's best for someone that hasn't done it before to follow manufacturer specs. Stemco and Webb have some guidelines out there.
     
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  4. maxwellhouse

    maxwellhouse Bobtail Member

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    Dec 15, 2025
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    Nope, no spacer between the bearing. I'll look into Stemco, thanks!n
     
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