Sliding 5th wheel: Why do some drivers ride with the 5th Wheel so far back?

Discussion in 'Experienced Truckers' Advice' started by loose_leafs, Jan 25, 2017.

  1. Snoopycda

    Snoopycda Medium Load Member

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    Edmonton Ab.
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    Biggest reasons to adjust fifth wheel are conflicts with landing gear or cab. It is really hard to get more (significant) weight on the steering axle.
    Empty weight on 2012 T660 Kenworth bunk with a 216" wheelbase 53' dry van is 5150 Kg / 11,330Lbs. on the steers and 6870Kg / 15,114Lbs. on the drives.
    If you can, run with the F-wheel in centre or just ahead of centre of the drive axles.
     
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  3. loose_leafs

    loose_leafs Road Train Member

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    I worry about sliding it when I'm stuck in the truck for a week or more
     
  4. loose_leafs

    loose_leafs Road Train Member

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    To clarify, I am referring to Vans and reefers
     
  5. Tall Mike

    Tall Mike Road Train Member

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    I need mine slid back all the way back because I need as much room as possible to back vehicles out on the flip out ramps. 20161105_112721.jpg 20161228_182546.jpg

    We run about 6 inches from the back bumper to the sleeper whenever possible.
     
  6. NCT_PA

    NCT_PA Light Load Member

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    Sounds like a slip seat operation, so it could be his rig tomorrow tough guy.
     
  7. win-some-loose-less

    win-some-loose-less Medium Load Member

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    I leave mine slid all way back.. we run tandems to rear and I just think it rides better.. for the newbies I suggest you leave it all they way back.. it's a lot harder knocking off cab fairings from rookie mistakes backing and cutting to sharp of u-turns with it slid back
     
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  8. gokiddogo

    gokiddogo Road Train Member

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    That may be fine in Texas where snow and ice is not an issue with steering ... not enough weight up front and it's a totally different game.. I agree on harder to hit the bunk extenders though.
     
  9. dngrous_dime

    dngrous_dime Road Train Member

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    I'm guessing he does it to piss you off. Success!
     
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  10. spax

    spax Medium Load Member

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    I'm with ya @loose_leafs , not real sure why unless it just feels cool. I like my trailers to sit right at the front drives looks goofy otherwise. My 5th could go back another 18in. but I like it right here, course I don't need to make it look longer.
     

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  11. MACK E-6

    MACK E-6 Moderator Staff Member

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    I keep mine slid mostly forward.

    I drive a single screw, and the shorter your wheelbase means the more pronounced the effect of sliding will be. It's easy to overload a drive in one of these. And, there's also the issue of drag due to the gap between the trailer and the ca.

    If the knucklehead the OP mentioned drives a tandem, the his chances of overloading a steer axle without also overloading the drives are nil.
     
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