No one knows this all..?

Discussion in 'Experienced Truckers' Advice' started by ZooX, Mar 5, 2020.

  1. lester

    lester Midwest's #1 Feed Hauler

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    Believe it raises the trailer air bags higher than normal. Those trailers sit really low to the ground and get hung up easily. Hit the overlift to clear bumps
     
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  3. crzyjarmans

    crzyjarmans Road Train Member

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    Double hydraulic trailers
     
  4. Hammer166

    Hammer166 Crusty Information Officer

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    We have two separate height control valves, and that line switches an air valve to allow the higher of the two to control ride height. There's also a quick release to rapidly dump the air back down to normal height. It's usually on both the truck and trailer, and gets
    us 5-6 inches of extra ground clearance.
     
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  5. MACK E-6

    MACK E-6 Moderator Staff Member

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    There’s a junk yard around the corner from our terminal that trucks like yours are in and out of, and these guys are ALWAYS getting hung up. I wish they’d learn to use that “overlift”. Traffic becomes a nightmare through there when that happens.
     
  6. Hammer166

    Hammer166 Crusty Information Officer

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    A lot of cheap ##### won't pay for it or keep it working. Side rails last much longer with it working, too.
     
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