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28-11-2017
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I just registered
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Join Date: Jan 2017
Posts: 181
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Yeah its definitely worth going to a weighbridge if your close to the limits. you've also got the axle limits which can often be difficult to achieve with a max ball max tow minimal front weight setup. Getting your WDH set up right and checking your axle weights at a bridge is worthwhile when towing heavy.
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07 JKUR manual
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28-11-2017
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Full Flexer
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Join Date: Jan 2013
Location: Melbourne
Posts: 1,220 What Jeep do I drive?: WK2
Likes: 46
Liked 158 Times in 112 Posts
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It is worth going, even if you are not close to your limits.
You can easily be over on an axle or the vehicle, especially with a bull bar, winch, drawers, loaded roof rack, full auxiliary tank, etc....
orbital70
You weighed the ball weight?
Cheers
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 2017 Grand Cherokee Limited with Off-road Pack - Quadra-Lift, Quadra-Drive and Bash Plates.
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28-11-2017
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I just registered
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Join Date: Jan 2015
Posts: 27 What Jeep do I drive?: WK2
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Trailer is tri axle tiltbed weighed with Jeep on giving me a trailer weight of 3,470kg with a towball weight of 346kg using a towsafe scale.
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28-11-2017
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Full Flexer
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Join Date: Jan 2013
Location: Melbourne
Posts: 1,220 What Jeep do I drive?: WK2
Likes: 46
Liked 158 Times in 112 Posts
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You really do like pushing the limits, don't you?
Cheers
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2017 Grand Cherokee Limited with Off-road Pack - Quadra-Lift, Quadra-Drive and Bash Plates.
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28-11-2017
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I just registered
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Join Date: Jan 2015
Posts: 27 What Jeep do I drive?: WK2
Likes: 9
Liked 4 Times in 3 Posts
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If I am towing trailer with a weight over 3,000kg usually use 2014 Hino dual cab with 4,495 GVM as tow vehicle, especially for long trips or steep climbs or descents.Have used Jeep as tug with trailer loaded with weight distribution hitch and not had a issue.
Last edited by orbital70; 28-11-2017 at 04:21 PM.
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12-12-2018
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CrawlerStar
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Join Date: Sep 2009
Posts: 551 What Jeep do I drive?: WK
Likes: 7
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Quote:
Originally Posted by Benn0
It looks like they forgot to take into account the 350kg tow ball weight when they calculated GCM on the older models....
They took the GVM 2949 and added trailer weight 3500 and got 6449, without allowing for 10% of the trailer weight being taken from the GVM.
Payload is about 750kg, minus the 350kg towball weight, leaving you with about 400kg in the car. Depends on what you need to put in the car while you are towing.
Most 4wds have this issue, even the landcuiser only has 610kg payload, and after you take the towball weight off you are cutting it close.
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I don't understand why they took the towball weight off the the GCM. If the vehicle GVM is 2949 and you can tow 3500, the GCM should be 6449 as it was. The 350kg ball weight is just part of it, so understandably comes off the vehicle's payload, but shouldn't reduce the total. Can anyone explain the logic of Jeep's change to the GCM?
I guess the bottom line is you must include the towball weight in your GVM, so be careful not to overload your Jeep. In the case of a 3500kg caravan, this would be it's maximum loaded weight, so if it had a towball weght of 350 kg, this would come off the van and go into the car's GVM of 2949 kg.So 2949 plus 3150 would be within the 6049 limit, but would only leave you 250-300 kgs for fuel and passenger. My JGC has the Adventure pack, so would be roughly the same weight as the Trailhawk, 2340 tare. My van is about 3300 with a ball weight of 200, so I figure 6099 less 3100 leaves 2999 which gives me a margin of 50kg as the car's allowable maximum weight is 2949. Therefore if 200 of that is allowed for the ball weight of the van, I have about 400 kg for fuel and passengers - just enough!
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 CRDV6 2017 Laredo Adventure pack
Last edited by crdv6; 13-12-2018 at 07:50 AM.
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2016 Jeep Grand Cherokee WK2 Limited
2015 Jeep Grand Cherokee Overland
