Any use for a single axle truck??

Discussion in 'Ask An Owner Operator' started by Ruckie, Jun 15, 2015.

  1. KB3MMX

    KB3MMX Road Train Member

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    Northern Indiana runs a ton of single axle trucks in the RV hauling and Car/van hauling businesses.
    Put it on truckpaper with a good color ad and you'll have your best shot at selling it.
     
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  3. KB3MMX

    KB3MMX Road Train Member

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    This theory is so completely wrong it makes me laugh when I hear someone say it.

    Traction is determined by weight loading on the tires and a lightly loaded tandem axle (less than 34k on drives) does far worse than a single axle. I've ran both in the northeast winters and I'd take a single axle over tandem anyday, especially if you put diff lock on it.

    I had countless times that I was able to get a single axle truck out where all the traditional tandems were stuck and totally useless.

    More tires does not equal more traction on snow or ice, often it's the exact opposite.
     
  4. average joe

    average joe Medium Load Member

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    Ñu
    Guess my 2000000 safe driving award means nothing, must have been unsafe all that time. Thank you for clearing that up
     
  5. runningfr8

    runningfr8 Light Load Member

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    Let me quote Jim Cramer ..."SELL SELL SELL"
     
  6. MACK E-6

    MACK E-6 Moderator Staff Member

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    Well, let me ask you this.

    Theoretically it takes X number of lbs of torque to break traction on a snow pack. Now, if it takes Y number of lbs of torque to turn your drive axle, and Y is more than X, you're not going anywhere.

    With a power divider locked in, you have less torque being expended at each axle, thus making it easier for you to move on a snowpack.

    For example, I've had to back up some steep driveways to make deliveries, and one in particular that I remember well is impassible with a single screw, but no problem with a tandem and a power divider lock.

    What say you?
     
    truckon Thanks this.
  7. average joe

    average joe Medium Load Member

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    The more weight the more torque it takes to break loose.
     
    KB3MMX Thanks this.
  8. Bean Jr.

    Bean Jr. Road Train Member

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    The psi for a fully loaded single axle, at 20,000 is greater than a fully loaded tandem at 34,000. Further, on lighter load, 20,000 on a tandem, it will be double on the single axle. So it makes sense that a single axle drive with a locker may have better traction in snow than a duel drive with only a power divider.
     
    KB3MMX Thanks this.
  9. KANSAS TRANSIT

    KANSAS TRANSIT Road Train Member

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    True, AS LONG AS YOU HAVE A SOLID BOTTOM. If you are in mud, sand, or the like the flotation of the twin screw helps out, IF,, (I will say this again) IF you know how to drive in low traction situations, and no that doesn't mean floor boarding the truck until you bury the speedo!

    Just as in the fuel mileage debate, the key to all things really IS the driver.
     
    Bean Jr. and truckon Thank this.
  10. Bean Jr.

    Bean Jr. Road Train Member

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    That is correct. But mileage certainly must be better same driver. We got over 8 mpg in a mid 60s single drive tractor in the early 80s. Combination of lower weight and less parasitic loss by having only one drive axle.
     
  11. Stubby T Slapnutt

    Stubby T Slapnutt Light Load Member

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    Put it up for sale on ebay, put a reserve
     
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