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pawntan View Drop Down
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Posts: 24 		Direct Link To This Post Topic: difference between pro series 49901 vs 49903
    Posted: 21 Feb 2015 at 8:40pm
can anyone explain the difference between 49901 vs 49903 WDH ?
I need to buy WDH for my R-pod 178 , towing with Chrysler Town Country.

Can anyone explain the difference between pro series 49901 vs 49903 below ?


It seems like if the price is the same, and the weight of the product is the same , then it's a no brainer to choose with the max TW, that is 49903

Pro Series Weight Distribution System w/ Friction Sway Control - Round - 10,000 lbs GTW, 550 lbs TW Pro Series Weight Distribution PS49901

vs

Pro Series Weight Distribution System w Friction Sway Control - Round - 10,000 lbs GTW, 1,000 lbs TW Pro Series Weight Distribution PS49903

I think I'm missing something here. Otherwise, no one would buy 49901

Can somebody explain ?
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Podster View Drop Down
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Posts: 1108 		Direct Link To This Post Posted: 21 Feb 2015 at 9:49pm
Well I'm no expert here, but...my understanding is that a proper spring bar rating should be matched to the TW application it's being applied to so the system will perform properly. On the other hand some will say it doesn't matter because it can be adjusted. 

More is not necessarily better in this situation. 

I happen to think it does matter. My TV hitch is rated at 6,000 lbs and has a rated TW of 600 pounds, assuming the proper WDH is applied, according to the hitch manufacture. 

So the difference is in the rating of the spring bars. A 1,000 pound rated bar is almost twice as stiff over a 550 and that is going to have an effect on how it rides and how it fits the application. 

For me and my application... i would buy the PS49901 because I believe the rating is matched better for my situation. It's all about balance.

But don't take my word for it...here is the long technical answer. Good luck!
Cliff & Raelynn
Ranger 4.0/178
(1/2 ton 5,800lb tow capacity)
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pawntan View Drop Down
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Posts: 24 		Direct Link To This Post Posted: 21 Feb 2015 at 10:23pm
Thanks podster,

This sentence (from article above)  really cause me to scratch my head. I need an illustration, and example how can it be dangerous.
"For example, if the weight distribution system has a 1,000 pound (454 kilogram) tongue weight capacity but the trailer is loaded with only 300 pounds (136 kilograms) of tongue weight with 50 pounds (23 kilograms) of cargo in the trunk of the towing vehicle, you're about 650 pounds (295 kilograms) under the rating. That can make the distribution unpredictable and dangerous"

It really does not make any sense.  I agree that it can have stiff ride, but unpredictable/dangerous reasoning just does not make some sense.

 I need some explanation like "imagine... "
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furpod View Drop Down
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Posts: 6128 		Direct Link To This Post Posted: 21 Feb 2015 at 10:44pm
It's a lever. And if the lever is to strong it will brake stuff. DO NOT get the 1000 pound bars for a pod.

"Imagine" if there was a solid bar connecting the tv to the pod, and you hit a bump, and there was no give.. pod gets wailed. Now, "imagine" the bar has give.. the pod doesn't get wailed..
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Posts: 1108 		Direct Link To This Post Posted: 21 Feb 2015 at 11:23pm
I have also heard that over sized spring bars and/or over adjustment can actually make the rear axle of the TV raise off the ground and of course, if that happens, its probably won't end well. 
Cliff & Raelynn
Ranger 4.0/178
(1/2 ton 5,800lb tow capacity)
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pawntan View Drop Down
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Posts: 24 		Direct Link To This Post Posted: 21 Feb 2015 at 11:24pm
Nice explanation, thank you furpod, now I can imagine.

How about the fact that 49901 is rated for 10000lb trailer weight, and the pod is only 2600lb.
Would that cause any issue ?


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pawntan View Drop Down
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Posts: 24 		Direct Link To This Post Posted: 21 Feb 2015 at 11:29pm
regarding the raising of rear axle. that reminds me of this video

https://www.youtube.com/watch?v=kwOqARlw1EI

https://www.youtube.com/watch?v=kwOqARlw1EI

So thanks for the valuable tips, my economic sense almost got me into trouble
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Posts: 1108 		Direct Link To This Post Posted: 21 Feb 2015 at 11:32pm
Yep, I've seen that one...towing in a severe crosswind, that rig should have never been on the road given those conditions.

...this is my fav...   Car Pulling Trailer Smoking
Cliff & Raelynn
Ranger 4.0/178
(1/2 ton 5,800lb tow capacity)
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furpod View Drop Down
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Posts: 6128 		Direct Link To This Post Posted: 21 Feb 2015 at 11:39pm
Originally posted by pawntan

Nice explanation, thank you furpod, now I can imagine.

How about the fact that 49901 is rated for 10000lb trailer weight, and the pod is only 2600lb.
Would that cause any issue ?




The only difference between the two, is the size and stiffness rating of the transfer bars. The mounting head is the same. The issue would be in the bars not deflecting, and then transferring the shock and impact of the road surface into the pod frame and structure. this is a mistake made in the 'stream world from time to time, by owners who don't ask, just go with the gut feeling that bigger must be better.. and then they have popped rivets after every tow.. we talk them into getting lighter bars.. and walla.. happy campers.
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pawntan View Drop Down
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Posts: 24 		Direct Link To This Post Posted: 21 Feb 2015 at 11:54pm
how about the 10000 lb rating trailer weight rating, does that cause any issue?
what do you all use for WDH anyway ? 
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