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  #13  
Old 03-06-2015, 07:15 PM
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Re: 2015 JGC Ecodiesel Towing capability

I tow a 21 foot Jayco (x213) behind mine, which tops out at 5500lbs, it pulls great, far better than my last Sport Trac adrenalin did....but you sure feel the short wheelbase in the wind. Like said above just be cautious and you'll be fine

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  #14  
Old 03-07-2015, 08:13 AM
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Re: 2015 JGC Ecodiesel Towing capability

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Originally Posted by Huskercory View Post
Good points mswlogo.

I guess I made a few assumptions with my recommendations. I have never seen a full size travel trailer with surge brakes, so made the assumption that electric brakes would be used.

In terms of the weight distribution hitch, it may not be needed for under 3500 lbs, but the addition of sway control makes a huge difference with that long of a trailer, so I would highly recommend one regardless. I highly doubt a loaded 22' trailer would be under 3500 anyway, but it might be close.

The best bet for jjacobs is to actually go to a reputable camper dealer (maybe he is buying the camper from one?) who can not only recommend what to do, but can actually install everything and make sure it is working properly. As you pointed out, they would be knowledgeable about local regulations as well.

In terms of your boat, are you using any sort of weight distribution hitch? I don't recall every seeing one used with surge brakes before.
That's a great point, I never thought about Surge not working with WDH.

I just googled it. I guess you can.

International Telstar Owners Association • View topic - Equalizer Hitch

I have used a WDH with electric brakes. With a borrowed trailer to transport my Kubota Tractor a few times. WDH is a huge help.

My boat does not have a WDH, but should. I only ever have to tow it to a Marina for major repairs I won't tackle. Which is only a couple miles around a lake. But I have towed it on highway and it was fine. I'm surprised it could even legally be sold this way, but a ton are. It's only a single Axle too. It's 20' Tiga Full inboard. That's where I get my "V8" thrills from (350 GM Motor).

But I absolutely do not recommend it.
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Old 03-07-2015, 12:34 PM
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Re: 2015 JGC Ecodiesel Towing capability

Recently purchased a Laredo 240MK Keystone RV trailer which has an empty weight of 5400 lbs and length of 28' including tongue. It is high at 10'11", 15" tires and dual axles. Im sure I'll be at 6,200 lbs when towing.
Pulled it home with a 3 hour drive. No problem pulling but you do know its back there! Once the snow clears a bit more Ill be able to test it loaded :-)
I use a Reese Dual Cam Anti-Sway weight distribution hitch. I would not pull without it (or something similar). The problem again (pulling large, boxy trailers) is not the pull power but the payload of the jeep (hitch weight factors in here) and the wheelbase. Make sure the WDH hitch is set up properly.

Boats tend to pull easier as they sit lower (center of gravity) and not subject to as much sway from the winds or semi's passing you.
I also tow a 22' center console. Again, big difference between boat vs rv trailer.

So, when pulling this larger rv, Ill go much slower when wind is present.

This is my second RV trailer with my '14 ecodiesel. Last camper was much smaller (22') and at 4300 lbs. No problem at all.
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  #16  
Old 03-07-2015, 03:23 PM
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Re: 2015 JGC Ecodiesel Towing capability

Seems to be something of a holy war here but for various reasons (do not want to add any load to the trailer axle) I do not use a WDH and have never felt any need for one.

My trailer is a retractable TrailManor 2720SL and I figure 4klbs with 460 lbs on the tongue but it has very low frontal area - little more than my GC. I do have the factory towing package but with a 2WD V6 there were no suspension, cooling, or altenator mods, just the receiver, wiring, and a full sized spare. I use a Tekonsha P2 controller because I got a deal on one.

At 65 mph cruise here in the flatlands and bursts to 70ish, it feels dead stable and can run a few hundred miles between stops NP. It is one of the sweetest towing rigs I've ever had. Usually sits a tad under 2k rpm and everything stays cool even at 90+F. Do see a downshift for the Thomas B. Manuel bridge but never gets near the 4800 rpm torque peak (more like 2300)

Not going to argue with those who recommend a WDH, just have the opinion that one is not always needed.

Do argue a bit with those who talk a about long vs short wheelbases, for me it is the ratio between the wheelbase and the distance from the centerline of the axle (easier than the suspension attachment point) to the hitch ball. In my case it is a 115" wb and 38" or a touch over 3:1. That is a nice place to be.

All I can say is that I can run from Orlando to South Florida nonstop and arrive relaxed. I know the trailer is there but it does not try to take control.
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Old 03-07-2015, 06:03 PM
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Re: 2015 JGC Ecodiesel Towing capability

Well if you don't see the advantages of a WDH, I don't know what to tell you......I'm not here to go all white knight on you, but to give the impression it's not needed is wrong....I never had one with my old 2300lbs tent trailer, but 4000+ it's helpful. I've driven short distances without putting my load bars on, and it's truly night and day, in terms of stability with the suspension and "bounciness", and steering control. Don't cheap out just because you think you're a good driver.....and for the record, I'm not some old grandpa Simpson shaking my fist on the porch, I'm 34, I'm a professional trained driver (paramedic), and I'm just stating fact 😊 safe pulling!
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  #18  
Old 03-07-2015, 06:30 PM
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Re: 2015 JGC Ecodiesel Towing capability

OK and perhaps I had better explain the reasoning. It is a 4k trailer with a 460 lb tongue. This is with 10 gal of fresh watter and little else.

The trailer was built with a 3.5k axle and I can see clean spots on the top of the plastic wheel well after about 1,000 miles. This is partly because I went from 1870 lb OEM tires to 2150 lb that are 1/2" taller.

One of the things a WDH does is to transfer force from the Tow Vehicle to the Trailer and I am reluctant to add any load to the trailer axle.

Now it this had been anything other than the sweetest pulling larger trailer I have ever had (and pulled some tandem axle trailers that were not as nice), I would have replaced the axle with a 5k unit. but it is smooth and my Jeep stays level and is well within any weight limits. No tendancy to sway or bounce and mostly unaffected by semis passing at considerably higher speeds.

Further while some like to misquote the Jeep manual what the OM (5th R1) for mine says is:
"A friction/hydraulic sway control mechanism and a weight distributing (load equalizing) hitch are recommended for heavier trailer tongue weights (TW) and may be required depending on Vehicle and Trailer configuration/loading to comply with gross axle weight rating (GAWR) requirements."

So the GAWR and tongue weight are both inside limits (as is the total weight and the frontal area which is mentioned in the OM) & do not want to add any load to the trailer.

Make more sense now ? Am sure some got bored long ago but before modifying anything you should consider the effect on every component in the system.
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Old 03-07-2015, 06:49 PM
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Re: 2015 JGC Ecodiesel Towing capability

The WDH, aside from some stability benefits that many of them have, works to transfer some of that tongue weight from the back of the tow vehicle to the front axel for a more stable and safer towing experience. Even though our JGCs with factory towing have load leveling provisions, either via the rear shocks or QL, depending on how equipped, that doesn't rebalance the weight that's sitting on that ball. I absolutely can feel the difference in handling when there's 5000 lbs "back there" and the WDH mitigates that.
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Old 03-07-2015, 10:19 PM
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Re: 2015 JGC Ecodiesel Towing capability

Don't forget that just because you have the factory towing package, it meant different things in different years and with different drivetrains. Some (like mine) have no suspension mods at all and it really does not need any.

Have a set of air lifts that I have not installed because it hasn't needed it.
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Old 03-08-2015, 11:05 AM
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Re: 2015 JGC Ecodiesel Towing capability

I do understand, padgett. But that weight shift is still important for handling no matter what the suspension setup is because if the front end gets too light, it compromises steering and braking in a meaningful way.
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  #22  
Old 03-08-2015, 12:30 PM
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Re: 2015 JGC Ecodiesel Towing capability

Understand all of that but what I am saying is the if the front gets too light and you would overload the trailer axle by torquing the trailer tongue/hitch (what a WDH really does) you should consider a different rig.

Since I personally do not want to add any more force to the single axle of my trailer & if the 460 lb tongue weight had affected the steering/braking, I would add air lifts to the rear axle to compensate rather than using a WDH. I could detect no meaningful effect so I did not bother but did consider everything to the point of purchasing the air lift system which is easily adjustable to the load.

While a WDH may be appropriate for many, it wasn't for my specific situation and am just saying that people should consider the ramifications and understand exactly what they are doing before blindly adding something. A GC with the factory towing package was well thought out.

Also since WDHs come in a range of weight ratings, make sure you know what is appropriate for your system before purchase. I suspect a 600 lb system would be appropriate for many GCs & would be a good starting point.

Frankly a better initial investment IMNSHO would be for a TPMS for the trailer tires you can monitor at the TV with temperature as well as pressure.
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Old 03-09-2015, 01:32 PM
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Re: 2015 JGC Ecodiesel Towing capability

Quote:
Originally Posted by padgett View Post
Understand all of that but what I am saying is the if the front gets too light and you would overload the trailer axle by torquing the trailer tongue/hitch (what a WDH really does) you should consider a different rig.

Since I personally do not want to add any more force to the single axle of my trailer & if the 460 lb tongue weight had affected the steering/braking, I would add air lifts to the rear axle to compensate rather than using a WDH. I could detect no meaningful effect so I did not bother but did consider everything to the point of purchasing the air lift system which is easily adjustable to the load.

While a WDH may be appropriate for many, it wasn't for my specific situation and am just saying that people should consider the ramifications and understand exactly what they are doing before blindly adding something. A GC with the factory towing package was well thought out.

Also since WDHs come in a range of weight ratings, make sure you know what is appropriate for your system before purchase. I suspect a 600 lb system would be appropriate for many GCs & would be a good starting point.

Frankly a better initial investment IMNSHO would be for a TPMS for the trailer tires you can monitor at the TV with temperature as well as pressure.
I was going to give you some benefit of the doubt early on in the conversation, but it's apparent you are just choosing not to acknowledge that regardless of the situation, WDH > no WDH. suspension doesn't make up for what a WDH does, which is transfer tongue load weight (and in the same manner a percentage of gvr) across the entire unit rather than hang it on the back of the jeep. There is just no argument about why it's bad. Can you overdo WD? Sure, and it feels like you're driving a wheelbarrow but like everything else if it's set up neutrally as its supposed to, it can be felt while driving, and it's night and day between 4500 lbs with no wdh.
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Old 03-09-2015, 01:48 PM
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Re: 2015 JGC Ecodiesel Towing capability

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Originally Posted by padgett View Post
Seems to be something of a holy war here but for various reasons (do not want to add any load to the trailer axle) I do not use a WDH and have never felt any need for one.
What the Weight Distribution Hitch does is more evenly distribute the weight between the Rear Axle and the FRONT Axle of the towing Vehicle.

Having all the Tongue weight behind the rear Axle is what makes it handle poorly.

It might add a slight increased load to the towing axles, but mostly it's moving the weight to the center of the tow vehicle. Don't knock it until you've tried it.
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