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  #1105  
Old 09-08-2014, 12:26 AM
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Re: The Towing thread

Quote:
Originally Posted by Bigskiddy View Post
So can you use the Treg hitch and WDH together?

Obvious reason is to satisfy Jeep requirements in having the WDH and the Treg hitch is already on the van. I realise your not going to use the WDH as you descend into a creek bed.

From memory I think Allypally was towing a huge van without a WDH, is he still doing that?

My mate is a lawyer, so it's best to keep things simple for him. He'll probably forget to connect the WDH in any case.
Don't think I'd risk my insurance for want of a WDH.
Another worth while addition to think about is ALKOs Electronic Stability Control for caravans. It is now being fitted as standard to a lot of new caravans. My understanding is that there has not been an insurance claim for a caravan rollover on a caravan fitted with it. As long as the caravan has electric brakes it is apparently easy to retrofit. AL-KO Electronic Stability Control (ESC) - I don't own shares in it!!
Peter

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  #1106  
Old 09-08-2014, 12:44 AM
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Re: The Towing thread

Quote:
Originally Posted by Bigskiddy View Post
So can you use the Treg hitch and WDH together?

Obvious reason is to satisfy Jeep requirements in having the WDH and the Treg hitch is already on the van. I realise your not going to use the WDH as you descend into a creek bed.

From memory I think Allypally was towing a huge van without a WDH, is he still doing that?

My mate is a lawyer, so it's best to keep things simple for him. He'll probably forget to connect the WDH in any case.
He towed 1 van once without a WDH. These days he has a Hayman Reese WDH, and uses a D035 coupling
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  #1107  
Old 09-08-2014, 12:47 AM
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Okay my mate has an DO35 hitch on the van. The manufacturer has just told him that the QL will keep the car level and the caravan has ESC so there will be no need for a WDH.

Manual says 2268kg or more WDH needed (Page 253)

Just saw your post Allypally. Will suggest he do the same.
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  #1108  
Old 09-08-2014, 01:02 AM
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Re: The Towing thread

From US owners manual:

WARNING!
If the gross trailer weight is 3,500 lbs (1 587 kg) or more, it is mandatory to use a weight-distributing hitch to ensure stable handling of your vehicle. If you use a standard weight-carrying hitch, you could lose control of your vehicle and cause a collision.

I remember it as being 2,270 kg for Aus though.

2012 brochure

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  #1109  
Old 09-08-2014, 04:04 AM
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Re: The Towing thread

The role of the WDH is not to level the car but to transfer load back onto the front wheels. This tries to restore the grip of front tyres largely diminished by the weight at the back from the ball weight. The attitude of the vehicle is irrelevant.

From advice from some experienced guys, I run lower front pressures as well as the WDH. 28-30 front, 40 rears to restore balanced grip, so the vehicle is a stable platform with all 4 wheels resisting the yawing or wobbling pushed from a van.

Air suspension is great, better than springs for towing but it does not compensate for the weight shift and the balance changes caused by the van.

Most dealers say WDH is not needed because most of them form their view based on Land rover Discoveries I reckon where wdhs are verbotten. Strangely Land rover won't explain their banning of WDH on Discos. No amount of electro-smarts can completely overcome the laws of physics.

Try the Caravanners Forum for detailed info. It has some really knowledgeable and qualified guys who post regularly. Suggest a Google for Collyn Rivers and his research and writings on van loading, stability and wdhs. Ex GM USA engineer he's written for most engineering and motoring journals at some time on the reasons why van loading and vehicle setup are crucial to manage the dreaded wobbles and hopefully avoid anything nastier.
Max
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  #1110  
Old 09-08-2014, 04:44 AM
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Re: The Towing thread

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  #1111  
Old 09-08-2014, 05:38 AM
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Re: The Towing thread

Whoa, can I tow this with a 2014 3.6???

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  #1112  
Old 09-08-2014, 08:30 AM
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Re: The Towing thread

Quote:
Originally Posted by Bigskiddy View Post
So can you use the Treg hitch and WDH together?

Obvious reason is to satisfy Jeep requirements in having the WDH and the Treg hitch is already on the van. I realise your not going to use the WDH as you descend into a creek bed.

From memory I think Allypally was towing a huge van without a WDH, is he still doing that?

My mate is a lawyer, so it's best to keep things simple for him. He'll probably forget to connect the WDH in any case.

Yes, you most certainly can. I towed a Coromal PS546 with Treg hitch on my old Prado with a WDH. You will need an adaptor plate which goes between the WDH and the Treg receiver. That is to prevent rotation of the receiver under load, as the centreline of the Treg pin is offset from the centreline of the bolt which secures the receiver to the WDH. The existing anti-rotation pins on the Treg receiver won't fit on the WDH without the adaptor plate due the space being tight.
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  #1113  
Old 09-08-2014, 06:59 PM
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Re: The Towing thread

Quote:
Originally Posted by Bigskiddy View Post
So can you use the Treg hitch and WDH together?

Obvious reason is to satisfy Jeep requirements in having the WDH and the Treg hitch is already on the van. I realise your not going to use the WDH as you descend into a creek bed.

From memory I think Allypally was towing a huge van without a WDH, is he still doing that?

My mate is a lawyer, so it's best to keep things simple for him. He'll probably forget to connect the WDH in any case.
Our van has a Treg hitch, and we have dragged it with our WK2 over 50,000k, and using a HR WDH. You must use the black polyblock to avoid the WDH compressing the block below the hitch jaws (with nasty results). On the WDH head, the Treg receiver has been welded - so no adapter plate and reducing the joints in this area.

The combination has done heaps of hard work and the van was dragged before that with a succession of Patrols, also using a WDH.

This year on the Plenty hwy corrugations I did break the Treg coupling shaft completely, dropping the front of the van onto the chains.

I replaced the Treg in Alice Springs as I really couldn't blame the coupling after all the work it had done over the years we have had it.

HOWEVER - there are tremendous forces generated into your coupling over dips and hollows as a result of the hitch doing its job.

You could do worse than suggest your mate do a towing course to gain knowledge, and be shown the correct setup without pain or damage to van or tow vehicle.
John
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  #1114  
Old 09-08-2014, 09:22 PM
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Re: The Towing thread

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  #1115  
Old 09-08-2014, 11:36 PM
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Re: The Towing thread

I replaced my old RedArc brake controller and fitted the new RedArc tow pro brake controller to my Jeep last week and towed with it over the weekend and I was impressed with its performance.

I mounted it in the same spot the dealer fitted the old unit so I had to blank the top hole as the new unit only has a single knob with the LED light built in to the knob.

Have attached some pics of the control box and switch position.
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File Type: jpg 2014-08-15 17.38.57.jpg (521.3 KB, 44 views)
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  #1116  
Old 09-09-2014, 12:05 AM
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Re: The Towing thread

I probably would have bought one of these if it hadn't been a few weeks from release when our van was ready for collection. The installation is far more flexible...
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