GVM upgrade - Hilux

Submitted: Friday, Jul 20, 2007 at 10:45
ThreadID: 47906 Views:7956 Replies:11 FollowUps:13
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Hi, does anyone know if it’s possible to legally upgrade GVM of the vehicle (current Hilux 4x4) by around 200kg without serious modifications?
Thanks
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Reply By: Fragle_Rock (VIC) - Friday, Jul 20, 2007 at 11:08

Friday, Jul 20, 2007 at 11:08
We have just been through a similar process for a work vehicle. We were advised that it is not possible to change the GVM once a vehicle has been registered. It is possible (with a significant amount of paperwork and $$) to have it done before a vehicle is registered. So providing the vehicle is brand spanking new and has not been registered I understand that it is possible, otherwise forget it.

Cheers

AnswerID: 253512

Follow Up By: George - Friday, Jul 20, 2007 at 12:37

Friday, Jul 20, 2007 at 12:37
I would like to modify it prior to the registration - obviously it is a new vehicle.
Thanks
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FollowupID: 514586

Reply By: Ingtar - Friday, Jul 20, 2007 at 11:09

Friday, Jul 20, 2007 at 11:09
Anything is possible with enough funding... but is it really worth it for 200kg?

I would think the cost would outweigh the benefits, and it would be easier to just get a trailer.

Of course if it something you REALLY want to do... go speak to an automotive engineer. The process varies state to state but that would be a good starting point.
AnswerID: 253513

Follow Up By: George - Friday, Jul 20, 2007 at 12:38

Friday, Jul 20, 2007 at 12:38
It is for a slide-on camper so it is worth it.
Cheers
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Reply By: Dodgin & Weavin - Friday, Jul 20, 2007 at 12:36

Friday, Jul 20, 2007 at 12:36
We asked our Toyota Dealer and were given all the info we needed to get it done. Can't remember the exact process but it did involve engineer inspections, vehicle modifications and money. I guess it may vary from State to State but it certainly seemed possible in our state about 4 years ago. By the way we didn't proceed with the process.

Cheers

Dodgin
AnswerID: 253528

Follow Up By: George - Friday, Jul 20, 2007 at 13:02

Friday, Jul 20, 2007 at 13:02
Thanks, my dealer doesn't appear to be so helpful/informed. He is aware that such upgrade is possible but couldn't recommend anything specific.
Cheers
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FollowupID: 514593

Reply By: traveller2 - Friday, Jul 20, 2007 at 13:17

Friday, Jul 20, 2007 at 13:17
It is possible (in NSW at least) by getting it engineered but you cannot get the GVM to go any higher than the combined load carrying capacity of both axles without huge expense.
In the original brochures they usually list the carrying capacity of each axle, the combined figure is usually a few 100kg's above the listed GVM.
This is what you can get it increased to as long as the tyres, suspension and brakes are up to the task which you engineer will certify (or not).
AnswerID: 253539

Follow Up By: George - Friday, Jul 20, 2007 at 14:54

Friday, Jul 20, 2007 at 14:54
Thanks, no luck there as the combined load is almost equal to the GVM.
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Reply By: Member - Douglas M (SA) - Friday, Jul 20, 2007 at 14:03

Friday, Jul 20, 2007 at 14:03
Hi George,
Try www.lovells.com.au/. When I was doing some research to enable me to remain legal reguarding GVM I seem to remember that Lovells were the only company that could legally do it. But I've been wrong before!
Best of luck
Doug MacLennan
AnswerID: 253544

Follow Up By: George - Friday, Jul 20, 2007 at 14:57

Friday, Jul 20, 2007 at 14:57
Thanks Doug, I have just shot email to Lovells and while their website mentions GVM upgrades only for Landcruiser and Patrol I still hope that they will be able to help.
Cheers
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FollowupID: 514606

Reply By: Member - Barry M (NSW) - Friday, Jul 20, 2007 at 17:13

Friday, Jul 20, 2007 at 17:13
It would appear to me that a suspension upgrade would easily account for another
200 kg. You are hardly likely to attract the attention of authorities unless you look
overloaded. The springs on my hilux easily handle a 2 ton load but I dont carry that
weight on road. Uprated, of course, & leaves as well. Yours will be IFS but I would
think a rear strengthening would be all you require. If you must be legal this advice
should be ignored.....oldbaz.
AnswerID: 253575

Follow Up By: George - Friday, Jul 20, 2007 at 19:06

Friday, Jul 20, 2007 at 19:06
I have been considering this alternative approach...
Cheers
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FollowupID: 514650

Follow Up By: George - Friday, Jul 20, 2007 at 19:10

Friday, Jul 20, 2007 at 19:10
I have been actually told that a set of air bags would be sufficient to cope with extra weight and then some.
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FollowupID: 514652

Follow Up By: Member - Barry M (NSW) - Saturday, Jul 21, 2007 at 16:50

Saturday, Jul 21, 2007 at 16:50
George, I'm sure airbags would indeed give you the necessary lift. I used Polyair
on the Hilux when original rears got tired & they worked a treat but after holing
3 bags I replaced the springs. Mind you, this occurred while agricultural boom
spraying & I suspect wire & sticks to be the culprits. Before fitting airbags I suggest you price a spring upgrade as from memory the fitted cost of new rear leaf springs
wasnt much different, & they wont let you down, whereas bags might depending
on weight & type of usage. Get quotes from spring manufacturers rather than
4WD type retailers as they seem to charge excessively for the same result.
cheers...oldbaz.
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FollowupID: 514795

Reply By: Member - Norm C (QLD) - Friday, Jul 20, 2007 at 19:15

Friday, Jul 20, 2007 at 19:15
George at least you seem to know what weight you will carry. I suspect that well over half the vehicles on our road, when packed for extended travel, are well over weight and the owner doesn't have a clue what his weigh is or what his allowed GVM is. I suspect some don't even know what GVM stands for.

Although it is not 'legal', 200KG is a pretty small overload compared to most. An issue to consider though is, does your 200KG over include the 'discretionary' load you will add in addition to the camper. It is surprising how much weight we all add when we pack for a trip.
AnswerID: 253607

Follow Up By: George - Friday, Jul 20, 2007 at 19:22

Friday, Jul 20, 2007 at 19:22
It includes around 50kg of "discretionary" load...
Cheers
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Follow Up By: jeffwa - Friday, Jul 20, 2007 at 21:15

Friday, Jul 20, 2007 at 21:15
50kg is just fillingup up my water tank. I don't know how much I would weigh but I bet it would be over the pathetic GVM listed on the rego, mind you I have extensivy upraded the suspension with heavy duty springs, shocks desgined for an F100 and airbags.

But yeah, I'm of the opinion that if it looks safe and feels safe then it most likely is. There are plenty of stock standard cars with worn out suspension that I would imagine are much more dangrous than mine even with the load. When you get blinded by a 4 runner's headlights and they only have a driver and no load, you've got to question the saftey of their vehilce, and it's not an uncommon thing to see.

I have never felt that my vehicle is unsafe when we are loaded up, in fact it drives better loaded after my upgrades than it did unloaded stock.
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Reply By: Member - Dick (Int) - Friday, Jul 20, 2007 at 19:27

Friday, Jul 20, 2007 at 19:27
I guess it depends on which state you are in. In NSW you can do it. TJM Newcastle have just increased the GVM on my 79 Series to 3,700kg

Dick
Cheers
Dick







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AnswerID: 253611

Follow Up By: wheeleybin - Saturday, Jul 21, 2007 at 09:10

Saturday, Jul 21, 2007 at 09:10
Dick
Did TJM certify it and did the RTA accept that certification and mark your Rego accordingly.
It is good to know this as I have a problem with a Mercedes Vito that needs resolving.
ian
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Follow Up By: Member - Dick (Int) - Monday, Jul 23, 2007 at 00:49

Monday, Jul 23, 2007 at 00:49
Sorry for the delayed reply, was in Myanmar and no internet access. TJM installed the modification, had an engineer certify the installation and had it approved. Cost was $1740. You could contact Grant Thompson at TJM in Newcastle for more details. 02 49 5111 84 or tjmhuntervalley[at]bigpond[dot]com

Dick
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Dick







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Follow Up By: wheeleybin - Monday, Jul 23, 2007 at 07:06

Monday, Jul 23, 2007 at 07:06
Dick
Thank you for the information .There is an RTA approved Engineer in Newcastle for certifications and based on what you have achieved I will pose questions now to see if its viable with the Vito.
Ian
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Reply By: Skippy In The GU - Friday, Jul 20, 2007 at 20:29

Friday, Jul 20, 2007 at 20:29
You could add a lazy axle, or duel wheels. it's not cheap
AnswerID: 253621

Reply By: Member - JohnR (Vic)&Moses - Sunday, Jul 22, 2007 at 11:30

Sunday, Jul 22, 2007 at 11:30
George, you can also ask Member Lucy who is overweight as a standard Droopy. Has been engineered to ensure and validate the level. I believe it needs to be tested at levels over the proposed mass, with braking and handling issues, drive height, clearance and all.
AnswerID: 253822

Reply By: George - Monday, Jul 23, 2007 at 10:35

Monday, Jul 23, 2007 at 10:35
Thanks for all suggestions. Unfortunately it appears that pre-certified kits are available only for Landcruiser and Patrol. Upgrades of GVM for any other vehicles are only feasible if the cost is of no concern and the certification is absolutely necessary. As some of you indicated relatively small excess, providing suspensions is beefed up, doesn’t really warrant the trouble involved with the official upgrade.
Cheers
AnswerID: 253989

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