Differences Between Axles?

Discussion in 'Questions From New Drivers' started by FatBird11, Mar 4, 2019.

  1. FatBird11

    FatBird11 Bobtail Member

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    In my CDL booklet, it mentions "front axle," and "steering axle." Are the two different?

    I know that's probably a silly question, but I'm learning, especially with the help of you guys.

    Thanks,
    Bird
     
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  3. aramil248

    aramil248 Road Train Member

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    the 2 wheels in front are the steer axles. The ones in the back of the truck are drives. The ones on the trailer are the trailer axles
     
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  4. Freightliner Classic

    Freightliner Classic Light Load Member

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  5. WesternPlains

    WesternPlains Road Train Member

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    That’s how they communicate the two axles of your tandems. Either truck or trailer. Always front is the front tandem axle. Always steers are steers.
    Steers are never called front.
     
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  6. CK73

    CK73 Medium Load Member

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    You are good in any state if the steers are under 11500.. Drives under 34k and tandems under 34k. Scales measure those three and sum them up for gross weight.. Which should be under 80k lbs.
     
  7. STexan

    STexan Road Train Member

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    In theory, the “front axle” could be the forward axle of a dual axle group. But generally speaking, IMO, the steer axle should always be referred to as the “steer axle”. If the book is interchanging the two, it shouldn’t. But I imagine the steer axle is often referred to as the front axle.

    Troglodytes. :biggrin_25512:

    [​IMG]
     
    Last edited: Mar 4, 2019
  8. Bean Jr.

    Bean Jr. Road Train Member

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    You're good in every state if they're under 12,000 lbs. Although most states do allow greater than 12,000, all states allow 12,000.
     
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  9. Moose1958

    Moose1958 Road Train Member

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    I am a citizen of the United States and I am also an American. Both terms describe me. The difference though is the CONTEXT of how they are used. Steering and front both say the same thing, but are different in what the subject is. This is a great example of why regulations can be so dang frustrating because depending on the context they can seem to clash. Example. If a regulation said a single axle can have 17,000 on it does this mean a regulation saying the steering axle can have that much? No, it doesn't because the rules limit the steers. I made up numbers here. Just never forget the context of how a word is used especially in regulations. Front and steer can be used interchangeably, just beware of that one exception.
     
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  10. Snailexpress

    Snailexpress Road Train Member

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    If you are Mexican or Canadian you still be American.
     
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