What's with all the axles?

Discussion in 'Experienced Truckers' Advice' started by 86scotty, Nov 29, 2020.

  1. 86scotty

    86scotty Road Train Member

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    OK, so we call them 18 wheelers. I'm based in the SouthEast and have run all over and traveled all over all my life. Most places OTR trucks have 18 wheels, 5 axles. Other than the rare specialized or heavy haul truck that's all you see and of course day cabs with single screws and shorter trailers.

    Every time I travel out West, especially the mountain states and NW I see tons and tons of axles on trucks. Lots of lift axles and I can sometimes figure out why but a lot of times they are just regular vans or reefers with 3 or 4 axles and seems like a majority of the tractors out there have 3 drive axles, usually one lifted. I even see shorter trailers that often have 3 or more axles, bull haulers with triple axle trailers, etc.

    Why? Everywhere I go seems like the limits are the same, 80k trucks. What are all the extra axles for if you can balance most loads and survive the weather with a typical 5 axle, 18 wheel setup?
     
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  3. AModelCat

    AModelCat Road Train Member

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  4. D.Tibbitt

    D.Tibbitt Road Train Member

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    The limit is not 80k...i am registered for all max weights in every state . In montana i can actually run 85k with a 5 axle setup, no permit. if i never leave montana. The guys running in the northwest that u see with 8 axles.. Is really just a tandem with a pusher axle and a tri axle trailer with a steerable lift axle. Depending on the state they are in, they are grossing over 100k.. If u wanna see crazy trailer axles go up to michigan
     
  5. Gearjammin' Penguin

    Gearjammin' Penguin "Ride Fast-Truck Safe"

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    Out west, you can run more than 80K if you have the axles to back it up.
     
  6. truckdriver31

    truckdriver31 Road Train Member

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    lol. ikr whole trailer is axles.
     
  7. 86scotty

    86scotty Road Train Member

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    I have seen those trailers with 10 axles in Michigan. Specialized, dump haulers and the like usually aren't they?

    It just seems weird to me to see regular vans and reefers with all the axles.

    So, let's take a bull hauler trailer. Why 3 if most do it with two? I mean trailers full of cattle are gonna weigh pretty close to the same aren't they?
     
  8. D.Tibbitt

    D.Tibbitt Road Train Member

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    i dont know nothing about hauling cattle so idk. Butt yeah reefer and vans are just taking advantage of what the government allows.
     
  9. MACK E-6

    MACK E-6 Moderator Staff Member

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    Federal Bridge Formula has a bit to do with that.

    States without the special dump service registration will impose it on dump trucks, like VA.
     
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  10. AModelCat

    AModelCat Road Train Member

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    Cross over into Western Canada and we run 87k on a regular 5 axle. We're allowed 37,500 on tandems.
     
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