Fifth wheel placement.

Discussion in 'Tanker, Bulk and Dump Trucking Forum' started by michaeljcheaney, Oct 2, 2017.

  1. michaeljcheaney

    michaeljcheaney Bobtail Member

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    Right now I am loading about 46k of liquid fertilizer, and I am certain it will put me over on my steers and drives.
    Will sliding the 5th wheel all the way to the back, help me weight wise? (Right now, its sitting right between the drives)
     
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  3. crb

    crb Road Train Member

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    No. It would only move weight from drives to steers or vice versa. If you will be over on both it will not help.
     
  4. truckdriver31

    truckdriver31 Road Train Member

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    what state. and what state u traveling threw
     
  5. 77fib77

    77fib77 Road Train Member

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    I have the king pin forward of the center of the drive axles.
     
  6. RockinChair

    RockinChair Road Train Member

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    This.

    If you need to move weight from the drives to the tandems, you can try to adjust the leveling valves on your air suspension. Raise the ride height on the drives, lower it on the tandems, or both.

    If this is a recurring problem, consider having your fifth wheel raised. Also, you can install taller drive tires, or shorter trailer tires.
     
    77fib77 Thanks this.
  7. AtticusRoad

    AtticusRoad Medium Load Member

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  8. Grouch

    Grouch Road Train Member

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    46K putting you over?? Your trailer or tractor must be pretty heavy. I can scale 49700 of milk with 150 gals of fuel in a 2009 Columbia sleeper. I run my 5th wheel all the way up.
     
  9. MACK E-6

    MACK E-6 Moderator Staff Member

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    Without knowing what your tare weight is, sliding your fifth wheel back will only compound the problem. If the drives are over, move forward.
     
  10. aussiejosh

    aussiejosh Road Train Member

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    Only way to find out for sure is put it over the scales then you'll know which way to move it, i just know when you slide the axles back you transfer all your weight forward so does it work the same way with the 5 wheel? If so you shift more weight to your steers. i guess loading a tanker you don't have the luxury of being able to move your back axles the other way would be to fill less weight in your front end of the tanker by closing the baffle just remember to reopen it when your unloading.
     
  11. cjb logistics

    cjb logistics Heavy Load Member

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    I agree, I can pull a milk wagon the same wait and am legal, and they have no baffles.
    All tires on my set up are 24.5, plus the 5th wheel sits about 1 inch high which pretty much levels out set-up.
    Placement of kingpin on these wagon is 1 to 2 inches front of my front driver.
    If I pull baffled trailer with crude or diesel I have to be careful and not load first compartment more then the others,, crude not so much open baffles.
    Lots of factors, APU, pump, fuel tank position, etc.
     
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