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Quick question on Housing

Discussion in 'Ask An Owner Operator' started by Thotphobia, May 17, 2022.

  1. May 17, 2022 #1
    Thotphobia

    Thotphobia Light Load Member

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    Can y’all experienced drivers explain to me the housings on the axles ? Why are some bigger than others? Does the bigger the housing the higher the gear ratio or that doesn’t matter?
     
    Thotphobia, May 17, 2022
    Thotphobia, May 17, 2022
    #1
    77fib77 and Another Canadian driver Thank this.
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  3. May 17, 2022 #2
    Dino soar

    Dino soar Road Train Member

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    I don't think it's about the gear ratio it's about the actual heaviness of the rears themselves.

    So for example if you had 46000 lb Rears the housings would be heavier than 40,000 lb Rears.

    Don't forget the heavier duty the rears are, the larger the components are inside of them, like the axles bearings Etc
     
    Dino soar, May 17, 2022
    Dino soar, May 17, 2022
    #2
    Another Canadian driver Thanks this.
  4. May 17, 2022 #3
    AModelCat

    AModelCat Road Train Member

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    Bigger housing = higher rating.
     
    AModelCat, May 17, 2022
    AModelCat, May 17, 2022
    #3
    Another Canadian driver Thanks this.
  5. May 18, 2022 #4
    Thotphobia

    Thotphobia Light Load Member

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    Apr 21, 2021
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    What you mean rating
     
    Thotphobia, May 18, 2022
    Thotphobia, May 18, 2022
    #4
  7. May 18, 2022 #5
    AModelCat

    AModelCat Road Train Member

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    More weight it can handle. Likely more torque too.

    Put a 40k rear next to a 46k rear and its a way beefier housing, bigger bearings, bigger hubs etc.
     
    AModelCat, May 18, 2022
    AModelCat, May 18, 2022
    #5
  8. May 18, 2022 #6
    Thotphobia

    Thotphobia Light Load Member

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    Apr 21, 2021
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    Ahh okay so I does not have to do anything with the gear ratio? I thought the bigger the housing the higher the ratio, the Pete we bought has 46k rears, the housing looks big compared to my other Pete.
     
    Thotphobia, May 18, 2022
    Thotphobia, May 18, 2022
    #6
  9. May 18, 2022 #7
    Val_Caldera

    Val_Caldera Road Train Member

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    Peter Bilt It Better!!
    as well
    Ken Is Worth It too!!
     
    Val_Caldera, May 18, 2022
    Val_Caldera, May 18, 2022
    #7
  10. May 18, 2022 #8
    AModelCat

    AModelCat Road Train Member

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    You can stick just about any ratio into any housing. I had a set of 44k Rockwells with 5.29 rears in it.
     
    AModelCat, May 18, 2022
    AModelCat, May 18, 2022
    #8
  11. May 18, 2022 #9
    Thotphobia

    Thotphobia Light Load Member

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    Apr 21, 2021
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    10 4, you see my dad thinks the bigger the housing the higher the ratio. Cause most of the Volvo’s have a super small housing that’s why he thinks they have small gear ratio, but I told him that the truck we bought has a big housing but that don’t matter it can still have 3.70s.
     
    Thotphobia, May 18, 2022
    Thotphobia, May 18, 2022
    #9
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