Air Disk Brakes

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Jfaulk99, Aug 10, 2009.

  1. Jfaulk99

    Jfaulk99 Road Train Member

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    Anyone ever pull a trailer with air disk or own one? I'm asking because I've got 3 calipers, 2 mounting brackets and about 30 pads, all new and all totally free. I know I'd have to change the hubs and buy the rotors and other parts I'm lacking but I didn't know if they were any good or not. I've searched online and got an exploded parts list from Bendix, just didn't know if they were any good.
     
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  3. 7mouths2feed

    7mouths2feed "Family Man"

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    Don't and haven't owned one but logic and experience states that disks are more efficient than drums. Look at cars.... they all have front disk and many have all disks... my $02.
     
  4. Donk

    Donk Have a Cup Of Concrete

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    my front discs on the truck, well, dust the heck out of everything.

    and to be honest, i dont think they are any different from drum except they cost heaps to repair
     
  5. 7mouths2feed

    7mouths2feed "Family Man"

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    With all the dirt/dust roads you guys have how can you tell its from the brakes:biggrin_25511: LOL:biggrin_25525:
     
    Donk Thanks this.
  6. Donk

    Donk Have a Cup Of Concrete

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    cause the brakes throw out black crap.

    and i run in the south, on paved roads only.. :biggrin_255:

    but good try!
     
  7. Jfaulk99

    Jfaulk99 Road Train Member

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    Well they're doing a fine job holding the pallet down right now. I know one truck I've seen locally with them on an East flat if I see him again I'll see if they're worth a crap. Bendix says they have a 39% shorter stopping distance than the current standard so I can't imagine they're worse than drums. Might experiment and see how they work, don't get in front of me.:biggrin_25525:
     

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  8. ironpony

    ironpony Road Train Member

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    They put drums on heavy duty trucks to save money. Disc brakes are more efficient, will stop you faster, but cost more initially and to maintain. They're used as standard equipment in Europe I understand, and may start showing up over here when the new FMCSA braking standard goes into effect.
     
  9. Mr. Me

    Mr. Me Light Load Member

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    Yes, they are standard in Europe for a long years....on trucks and on trailers.

    Except tippers-they mostly have drums on back axle(s) 'cause of dirt, mud and dust...
     
  10. Allow Me.

    Allow Me. Trucker Forum STAFF Staff Member

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    Years ago, around The '80,s, the feds tried to require them on trailers. My memory is a little foggy, but they were tried but not very successful and quickly put to rest. I remember they couldn't hold up to heavy duty service. Now, 25 years later, technology is surely better, so who knows.
     
  11. MedicineMan

    MedicineMan Road Train Member

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    You sure you're not thinking about antilocks? the first attemps at antilocks back then were disasterous.


    I test drove a T800 with the disks all around. They were nice. the dealer told me they ware a very epensive factory option and I imagiine they are expensive to maintain. But they stop faster and they don't get brake fade like drums do which is the nice part in heavy truck applications.
     
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