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tandem duals or triples?

Discussion in 'Trailers' started by hougie, Jan 23, 2011.

  1. hougie

    hougie Well-Known Member

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    What are the pro's and cons of a tandem dual goose neck vs a triple axle singles goose neck. There both rated for pretty close to the same weight. Thanx guys
     
  2. CM1995

    CM1995 Super Moderator

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    Well the cons to the tri-axle trailer are:

    1. Not as maneuverable as a dual tandem because of the extra axle
    2. The tires will wear faster on a tri when trying to turn in tight situations (see #1)
    3. You have another axle to maintain - brakes, suspension, bearings, etc

    I wouldn't consider a tri-axle unless it was a very good deal and didn't plan on using it in tight spaces.
     
  3. mitch504

    mitch504 Senior Member

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    I agree w/ everything our expatriate moderator said, and would add:

    4. The load is carried on 6 tires, not 8. Another reason for shorter tire life.

    5. If you have a flat w/ single tires you must stop immediately; w/ duals you can slow down and limp to a good place to chjange it. Usually a nail in a single trailer tire on a tri-axle results in the tire being destroyed before you can stop.

    I would not consider a tri-axle w/ single tires unless it was a deal and was going to be used occasionally, w/ relatively light loads. This is coming from a man who has owned and heavily used 2 of them for over 20 yrs. (My father bought the 1st one and I got an extreme deal on the second one)
     
  4. tbone1471

    tbone1471 Well-Known Member

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    I got a deal on a tri-axle. It was the worst trailer purchase I have ever made. It eats front axle tires. I have had tires (load range G) with 50% tread blowout when tight cornering on pavement. I have spent more in brakes and tires then I did on the trailer. The duals are usually a little more initial investment but they are worth every penny.
     
  5. hougie

    hougie Well-Known Member

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    The duals are 2-4000 more but it sounds worth it. Thank you guys for your input
     
  6. Digger Dan

    Digger Dan Well-Known Member

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    Can you post up a link to the trailer you are looking at?
     
  7. watglen

    watglen Senior Member

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    The only advantage i can see is cost. I think commodity trailer manufacturers can purchase 3 7000# axles(plus the related tires, brakes, and whatnot) cheaper in bulk than 2 10000# axles. Otherwise, why would you bother?

    You get what you pay for.
     
  8. hougie

    hougie Well-Known Member

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  9. dzlnut

    dzlnut Well-Known Member

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    I have had both i would go with dual tandems any day of the week... More stability Less axle wear, tire wear and better traction
     
    Last edited: Jan 27, 2011
  10. Dualie

    Dualie Senior Member

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    I have seen MANY MANY MANY tri axles snap the axles off pulling in and out of driveways and fields. when you have 20k on the trailer and all the sudden the front two axles are off the ground the back 7k axle doesn't really like the 32K load its taking.

    i have converted a couple to dual tandem with mixed results.
     
  11. JBlackwell

    JBlackwell Well-Known Member

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    With 20K on a gooseneck the trailer was overloaded anyways. A 22GN gooseneck rated at 22,000#GVWR minus the empty weight of around 6,000# puts the payload at 16,000#. Granted a tandem is a little more forgiving.

    I have had both a tandem dual and single tire 3 axle trailer. I like the 3 axle for having 2 less tires to have to replace which 6 tires still had the rating I needed, the ride to me was a bit better. Biggest thing to me was the Texas FM roads have no shoulders & narrow lanes. With our dual tandem we were running with the outer two tires off the road most of the time. What good is a dual tandem when the two inside tires have all the weight on them? If you are in the pasture a lot or off pavement period the tire wear is not excessive on a tri axle.

    Apples to apples I would pick a dual tandem, but if a 3 axle is cheap enough don't rule it out.
     

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  12. hvy 1ton

    hvy 1ton Senior Member

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    That's a really nice dodge JB.
     
  13. JBlackwell

    JBlackwell Well-Known Member

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    Thanks, I had ordered it brand new. '06 w/ Cummins & 6spd. Dealership thought I was crazy spending $36,000 ordering one...sticker was $39,500. I love it so much that if somone offered my money back right now I'd say I would have to pass on that offer.


    Back to the thread this past weekend I hauled a 17,000# loader w/ the Trailmaster dual tandem and had a blowout. Well had no spare and no tire shop around so I limped 30 miles to the tire shop @ 45mph. I would have ruined a wheel with a single tire, but as long as you carry a spare or two it doesn't matter.
     
  14. Mike Mc

    Mike Mc Well-Known Member

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    My tri axle did have 7K axles and it just wouldn't stop good enough when the time came that you needed to stop in a hurry, ya it only happened about once a year :eek:

    So I put (3) 8K axles with the wide brakes and now it will stop good like the tandem axle trailers. Hauling heavy is all great until you get in an accident then your in trouble. Whatever trailer you get make sure the brakes are in top notch condition.

    In the picture I'm hauling 16K of gravel and I just went over a hump and both back axles we're off the ground, if they we're 7K axles it would have snapped at the backing plate.
     

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  15. dzlnut

    dzlnut Well-Known Member

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    on the slowing down issue I would recommend installing a BD exhaust brake on your truck they work really well.
     
  16. Mike Mc

    Mike Mc Well-Known Member

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    Ya exhaust brakes are great for stop signs and hills but when some girl talking on her cell pulls out in front of you thats when you need to make sure everything is working good.

    My buddy has 3 axle dually trailer. Seriously it has (3) 12K axles with dual tires. When I'm over his house I'll take a picture and post it.
     
  17. foof

    foof Member

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    As far as the exhaust brake goes, I have done some research on a break that Banks has. It uses the variable geometry turbo and is much more effective. Plus it is not difficult to install, mainly a controller that plugs inline with the computer and a display screen in the cab for controls.
     
  18. dzlnut

    dzlnut Well-Known Member

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    Last edited: Feb 15, 2011
  19. foof

    foof Member

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    Thanks for the updates on brakes, although I have gotten out of the machinery hauling biz last year.

    Mike MC, a buddy of mine has a relatively long gooseneck with tandem duals, but was not enough for his Lull loader and supplies so he added a 3rd dually axle. It really does make for a beastly trailer!
     
  20. hougie

    hougie Well-Known Member

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    Thanx for the links dzlnut, I've been thinking about an exhaust brake for a long time but am afraid it will harm my motor.