What are the different types of GVM upgrade and why do I need one?
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- Опубликовано: 26 авг 2024
- #GVM #GCM #grossvehiclemass #upgrade
What's a GVM (Gross Vehicle Mass) upgrade and why do you need one? Axle-sum, axle-upgrade, pre-rego and post-rego GVM upgrades explained, with examples and costs.
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Great Video. In North America we don't use GVM. Vehicles are sold with GVWR (Gross Vehicle Weight Recommendation) which is usually 6-9% below the axle-sum, and fines are only levied on over weight, axle weight; not the sticker GVWR. My truck has an axle-sum of 4140 kg (1730 front and 2410 rear) and a dry weight of 2050 kg and a GVWR of only 2910 kg based on the factory P-rated 4 ply tires it is sold on. This is 30% (1230 kg) below my axle sum.
If you replace the tires, with a tire that has a lower rating your axle rating goes down. The opposite can be true but may not be, depending on the actual axles max rating. My F-150 has a lot of reserve axle capacity. I actually don't know of a shorter off road capable passenger vehicle (122" wheel base) that can carry more by actual mass or by percentage of dry weight anywhere on earth.
Hi Robert. I’ve been following your RUclips videos for a little while now - well ever since I started my research into purchasing an eventual 4WD family touring vehicle for the past couple of years.
I have decided on putting my hard earned shekels towards a new Prado and planning on getting a pre-rego GVM upgrade ... so your video was right up my alley. I will purchase the new vehicle in one state then relocate to another state a couple of years afterwards (work commitments) and hence, a pre-rego upgrade is clearly the go. The axle upgrade issue was news to me so I will definitely ask the question of the guys that will do the upgrade (Dobinsons suspensions) about it and go from there.
Thanks for demystifying the ‘dark art’ of GVM upgrades. Between yourself and John Cadogan (Auto Expert) and one or two other RUclipsrs, I am going into the whole 4WD purchase/tourer setup with my eyes wide open so many thanks 🤙
Great to hear thanks and you know where my Patreon is 👌
Great Explanation, i always knew weights were an issue but now that I am looking for a camper / caravan this video has explained everything perfectly, thanks alot
Glad it was helpful! Please share :-)
Nice. Well presented and straight to the point. The next step presentation could be a list of suppliers of GVM upgrade packages and process of preregistration engineering.
Thanks Paul might do that
Very well explained in simple easy to understand terms and graphics - well done!
Thanks please share!
Mate this is a very well thought out and presented!
Thank you! Please share like subscribe etc...
Watched to understand upgrade options. Didn't realise Axle Sum was a thing, everyone talks about GVM. I'm 50kg over my rear axle limit, otherwise within all other limits, so Axle Sum will fix the problem and avoid the cost of a GVM upgrade (approx. $6,700 for a 2020 Ford Everest). Another option is to get a smaller van (dear) :)
Excellent video! Thank you. I'm currently considering how to increase my Jeep Wrangler's GVM. Now I have a bit more knowledge about this subject. Much appreciated.
Glad it was helpful! Please share :-)
Great video very informative. Getting a GVM upgrade for my 2014 GX Landcruiser so this video helped me decide what one I need, thankyou.
Good video Robert, thanks. One point to raise is that most post-rego GVM upgrades ( I know Pedders and Lovell for sure) are Federally accredited, so they are transferable between States and do NOT require to be recertified by a second engineering certificate if moving from one State to another. I confirmed this with NSW Transport recently as I am a Victorian looking to move to NSW and didnt want to pay the $1000 twice if I decided to upgrade in Vic before moving to NSW.
Just posting to retract my statement about the transfer of certification between States.
After further research I have had it confirmed that NSW will not stand over an engineer report from another State. So a GVM performed in Victoria WILL need to be re-certified in another State. Apologies for the confusion.
Correct only pre rego can be transferred. Appreciate the post thank you.
Another well presented video Robert.
Thanks John
Great video. Only possible error is that the combined axle load of 3580kg (1630kg front + 1950kg rear) is 230kg (not 280kg as stated in the video) above the GVM of 3350kg. Still an excellent video explaining GVM and CVM etc.
Oops maybe but hopefully point still made 😬
Great Vid - best I've seen on this topic. Much appreciated.
Glad it was helpful!
Great video! I just picked up a 200!
I'd be really interested to see all this info but relative to larger motorhomes that are currently plated at 34965 kg GVM
sorry too niche
Excellent video. Very informative. Important info for overlanders!
Glad it was helpful!
Glad to see Toyota now do a 76 single cab and a 79 wagon 😁. I think I would avoid that 4wd shop
Great video RObert, well done
Thanks 👍
excellent video Robert! thank you
Thanks would appreciate a share or two 👌
well done great informative video,im tossing up between a light truck(fus0) or upgrade for mazda,so i can put a camper on the back.Lots to think about, if money was no object it would be the Fuso
Thanks! Please share 👍
Good video but Lovells GVM for the Ranger is 3500kg and a GCM of 7100Kg
LOVE MY ISUZU 300 NPS 75 4X4
THANK DETAIL VIDEO
Thanks, please share :-)
The Landcruiser Sahara with a full tank actually weighs 2900kg add the 350kg ball weight 3250kg you have only 100kg so in my case that makes it the limit. The new 300 series at 10 to $15000 on top of the 200 series then add $6000 for a gvm your looking at around $12500 to $165000 and you still haven't matched an American truck in stock trim which is above the Cruiser.
All these companies do not give you much to play with especially at the high end.
Yes, that's one reason I suggest people avoid top specs like the Sahara. The American trucks tow very well but sadly lack for payload. I have a 300 Series review which includes a weights section.
@@L2SFBC The Ford v6 actually has a decent pay load as does the Chevy I think there is a new version of the ram that also has addressed the pay load issue to a large degree.
Yes some of them do but often require a LR licence such as the Ram 3500.
@@L2SFBC Yes if you want to go that far but even an F150 or Silverado 1500 run rings around the Landcruiser for sheer towing and GVM limits. These are the latest versions I am referring to the earlier ones have a lower GVM. As for the interior the Yanks have that sorted in spades as well.
Thank you Robert for the many videos etc that I have viewed. I was led to your calculator and I have questions about the towing legality of a 2015 Colorado 7 (which I have used since new to tow a Traveller Caravan over 40,000 kms).
Entering details for 1) Colorado 7 with just the driver as payload 2) a much lighter caravan than mine (1500kg) into your calculator flags a rear axle overload of 42kg @ 60% weight on axle. By changing it to 58% it just becomes acceptable. Surely the Colorado 7 is not limited to 1500 kg as my van is much heavier. I am happy to email the document I created from your calculator, so that you can highlight where I am making an data entry error. Much appreciated.
The rear axle load is a function of the TBM, not the total trailer weight. The Colorado can tow much more than 1500kg, but you may find the rear axle load is exceeded early.
@@L2SFBC Thanks Robert. I do understand the TBM etc...but cannot establish at what tow weight the Colorado becomes excessive in the manufacturers' rear axle weight (the example I gave above is what concerns me). I emptied the car, weighed it and used that figure for vehicle weight...added in ALL the required weights lengths etc and cannot draw a confident conclusion. Can I send you the the document I created from your calculator?
Sure use FB my page
@@L2SFBC Have done ....hope it worked as I had to join FB just now to send ....cheers
I don't understand why there's such a big fuss in Australia about GVM 🤷🏻♂️
Because we carry a lot of heavy gear for long distances. Water and food add up in weight very quickly for multi-day trips.
@@L2SFBC yes I understand that part. What I don't understand is why there is so much government oversight/enforcement regarding GVM.
Here in the USA nobody would say anything even if you are pulled over by the police for speeding or whatever.
Cultural differences...
Who cover's a crushed axle? Like what happened to an F250 owner! Nobody want's to know about it!
Thank you Robert for taking Excel lessons. LOL
That proved most helpful. I am playing with a spreadsheet that now along with your information points toward a GVM upgrade for my Colorado 7.
Could you please confirm that "Kerb Wgt" include a FULL TANK OF FUEL? Some articles mention only 10 litres...but doesn't that apply to "Tare Mass (Wgt)"?
In anticipation of your reply, like the cat that ate cheese in expectation of unwary mice! LOL
Thanking you in advance ....cheers.
Cannot confirm. Watch my Tow Weight explained video for why
@@L2SFBC Wow...thank you Robert for such a prompt reply...and on Saturday evening!
I watched and although one slide said about Holden...."General Motors (Holden) defines Kerb mass as vehicle with full tank a fuel and all fluids. Tare mass is same configuration as presentation
....my reply somehow got clipped. I will be weighing my vehicle...many thanks.
My father bought a 2022 Ranger in the US. Curb weight with no driver or anything else except fluids is stated at 2,000kg/4,400 pounds. Is the Australian or other international versions that much different, or do you use a different unladen weight? Even then, I think this one is rated GVM/GVWR of 6,050 pounds or about 2750kg. Just curious as to differences in stock vehicles for different markets, or how the US/Canada and other countries come to these numbers.
These modern SUV's and even light duty trucks (utes) are insanely heavy compared to back in the day. My 88 F150 club cab is about ~4,800 pounds with me in it, my light duty 86 F250 is about 5,100 pounds with me driving. I suppose modern safety adds weight, and again crew cabs and SUV's weigh a lot more because of those extras. Or are those SUV's heavier duty over there because of the 4x4 market?
great videos
Thanks!
Very useful video Robert!! Two reasons for me, understanding of what need to do with my cruiser and the strategy I need to implement in terms of upgrades. Two question though, does a gvm upgrade for a lc200 really require a lift, and why, is a lift required for the outback. I’ve driven a lc200 with a 2 inch lift and didn’t like the experience. Thanks a lot!
No you don't need a lift for the Outback but it's useful to have one as the car will then better deal with heavy loads.
@@L2SFBC Thanks Robert! Awesome response. Just like most Australians, I’m planning to experience Cape York, Simpson Dessert, the Gibb River Road, and the rest of the Continent, and I’m trying to learn as much as I can. The only downside is, the more I learn, the bigger the budget becomes 😂😂😂 please continue making contents, it’s an great source of 4x4 information! 🍻
Thanks, please share!
Hi Robert, thanks for your information videos, is there any further information on GVM axle upgrades specs for landcruiser 300 series you can share
The aftermarket is working on it....
@@L2SFBC no idea when this information may become available then?
Coming weeks
@@L2SFBC great thanks I'll keep an eye on your updates.
If you increase your gvm you must decrease the towing capacity. There is no gross vehicle combination mass upgrade
Hi Robert, I've just put a deposit on a new 4x4, I've read & heard that it is wise to wait for setting up your vehicle with heavy accessories (bullbar, drawers, batteries etc) before upgrading suspension (I think this was in the context of lift kits). However doing a pre-registration GVM upgrade sounds appealing. What are your thoughts on this? Can suspension set ups be adjusted for weight distribution once the GVM upgrade has been done?
Do the GVM upgrade before rego and inform the suspension shop of what will go on.
@@L2SFBC thank you. Enjoying the channel, and just discovered your Facebook page 👍
Great vid one question as im looking into gvm upgrade at the moment for my hilux, post rego gvm upgrade is state compliant so dose that mean if i travel to another state for travel the upgrade means nothing??
Check my GVM upgrade video. Explains it all. Your upgrade is valid for travel anywhere unless you register the vehicle in a new state.
Cheers mate ill cheak that vid and thanx for all the great info
Is there a pre registration upgrade available for a y62 patrol. If so, what are the 'resultant figures? I have one order.
Not sure...check out the Y62 Owners interview, there's descriptions there of forums to ask on.
@@L2SFBC oh, I should also say your video was excellent.
Thank you!
What cop's ever going to know if you're 5 over GVM or 500 over? So long as you're not on a heavy license you'll never be weighed.
Good vid but all I want to know is what I need to modify to physically beef up my machine and I'll go do it myself and get an engineer's tick, I could honestly care less if I am a ton over my legal GVM so long as the machine is capable of bearing that weight. There's a lot heavier and poorer maintained gear on the road than any ute could ever hope to be.
Plenty of cops will know because vehicles are frequently weighed - mostly caravan towers, but also people that tow cars. I haven't yet seen any evidence of weighing individual 4X4s. Also, if you crash and are found to be overweight, good luck on insurance.