Axles on fuel trucks

Discussion in 'Tanker, Bulk and Dump Trucking Forum' started by Transit_lifer, Mar 21, 2020.

  1. Transit_lifer

    Transit_lifer Light Load Member

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    What are the huge axle ends on the fuel trucks? They look to be about 8 to 10 inches in diameter.
     
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  3. Cali kid

    Cali kid Road Train Member

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    Maybe greased hubs?? We had those on truck and trailer setups when I ran fuel instead of oiled hubs. They were way better then oiled hubs.
     
  4. Transit_lifer

    Transit_lifer Light Load Member

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    This things are huge. Their way bigger than regular grease axle hubs with the plugs. Ill try and find a pic. Ive seen them on Superior tank lines trucks out here in So Cal.
     
  5. Transit_lifer

    Transit_lifer Light Load Member

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    volvo.png Look closely at the drive axles on this Volvo and youll see what I mean.....this is the closest pic I could find.
     
  6. x1Heavy

    x1Heavy Road Train Member

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    Not enough picture to see.

    I don't see the need for huge (Relatively speaking) hubs holding enough grease or oil to stay cold or something else entirely. If I can discover why we have them...
     
  7. Cali kid

    Cali kid Road Train Member

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    Oh you must be talking about the tire pressure monitoring and inflation system. I believe they call it the HALO system, it has a big plastic housing that sits on the end of the axles.
     
    not4hire Thanks this.
  8. Cali kid

    Cali kid Road Train Member

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  9. not4hire

    not4hire Road Train Member

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    Yeah, that was what I was going to post as well.

    [​IMG]
     
  10. Transit_lifer

    Transit_lifer Light Load Member

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    that's it!
     
  11. not4hire

    not4hire Road Train Member

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    As mentioned, it's a self-contained tire inflation system. It is its own pump, there are no external connections for air like the systems you see that have a hose from over the fender connected to a hub device.

     
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