Transmod - Certified Vehicle Modification Business Required fields are marked *. Lets break that down quickly, that weight of 2740kg is with 10-20 litres of fuel. Click on the options above to find out more. Certification of new, unregistered vehicles, is available at any ARB store or authorised stockist. I see that a lot of Grey Nomads are using Mazda BT50 for towing. If my Opinions. Orange spring works 13 Leewood Dr Orange NSW 2800 Australia. Would you like to add shock absorbers for a better ride? As stiff as a board. ABN: 63 673 050 244. These measurements all need to be taken at the same time to ensure the result is correct. Also 10+ years ago dual cab utes where mostly 2500kg towing max. Crossmember length 8. The possibilities are Limitless so give us a call today and we can discus all the crazy and wild options avaiable (we can also do tame ones if this is more your style). They are: 1. If you are looking for a quality GVM upgrade nsw or want to know more about If you are GVM upgrade cost, AME Automotive premium GVM upgrade is at your service across Perth. CRG Diesel tuning 2/119 Olympic Cct, Southport Gold Coast QLD 4215 Australia. The Tow Upgrade. Call 0401 292 739 or click here to email. and Overloaded. Remember, however, that in order to be compliant, you need to ensure you are under all the compliance ratings: Towball Mass, Gross Trailer Mass, and Aggregate Trailer Mass. In some cases, Transmod can even help with revisions previously certified GVM upgrades.
Passenger and 2WD Commercial Vehicle Catalogue - Simplebooklet 98% overweight\size. We thats what they say. Uncover the gear as well as some tips you'll need for your next adventure off grid. All Rights Reserved. Manufactured locally on the Sunshine Coast CONTACT FELK ENGINEERING TODAY 02 4954 6955. ThreadID: 122627 Views: 7548 Replies: 6 FollowUps: 3. For an easy option we recommend our customers call Dave from Weightcheck. They don't want to lose Read More Why you should weigh your vehicle BEFORE you buy a Caravan. With dozens of ARB stores and stockists around Australia, its easy to get a quote on a personalised Old Man Emu suspension system for your 4WD. At AME Automotive, our expertise and specialists make GVM upgrades convenient and hassle-free. "Whereas with GCM, there's a lot of question marks about the trailer itself.". Already registered vehicles fall under the jurisdiction of their state authorities. Axle Group Loading (AGL) The AGL records the axle capacity of the caravan and is usually determined by the chassis manufacturer or the axle manufacturer. Maximum 3220kg (factory GVM is 2950kg, but we had a GVM upgrade). Step 1. CARAVAN GVM UPGRADES Is your caravan underrated? WE WILL NEED TO FIT 13MM CHAIN WHICH HAS A CAPACITY OF 3500 KG TO COVER THE NEW ATM OF 2800 KG. ARBs front axle load upgrades are standard with any full Old Man Emu Nitrocharger or BP-51 Suspension kit and are demonstrated by certification attached to your vehicles door pillar, owners manual and customer handover pack.
Mobility Engineering - Stories Right here on the Sunshine Coast we do; caravan ATM (GVM) upgrades, rust repairs, retro fit shock absorbers to your caravan, change your caravan suspension, your possibilities are Limitless. DOUG Chief One Feather (Losing feathers with age), TUG.2014 Holden LT Colorado Twin Cab Ute with Canopy, DEN. 2014 "Chief" Arrow CV (with some changes). You have to be a hard taskmaster, and we recommend going through every cupboard and drawer and if its not absolutely essential that a certain item is in there, then take it out. Copyright 2021 Limitlesss Chassis. Very quickly we are already at 2850kg. Complete heavy towing guide: GVM, GCM, payload, towball limits explained Auto Expert by John Cadogan - save thousands on your next new car! GVM Upgrades Upgrade your 4WD with one of our GVM kits today! Gross Combined Mass If the numbers add up and the assessment is favourable, our engineer will come out and inspect your trailer/van firsthand. A GVM upgrade does not change how much weight your vehicle is legally allowed to tow, as it does not increase the Gross Combined Mass (GCM). The GTM of the caravan is transmitted to the ground by only the caravan tyres and excludes the mass distributed to the towing vehicle through the coupling. Well keep you posted. from 6 to 10 yrs ago. These GVM and BTC figures do not always add up to the GCM, as is the case with many dual cab utes. Basically/ the same chassis and running gear. The drawbar weight is also increased from 250kgs to 300kgs. This Thread has been Archived. If you regularly use your vehicle to tow a caravan or carry heavy loads,more than likely its time to consider getting your vehicle a GVM upgrade.
Caravan ATM Solutions - JU Design Issue 60 Out Now! Are the ones that have a more, relaxed. You also need to consider other items like bull bars, snorkels and so on, however this all adds the one thing that we have so little of weight capacity. by Wes Whitworth April 30, 2020, 6:01 am. Our highly skilled experts, impeccable service and reliable Repco service network across the nation,we make getting your cars GVM upgraded easy. Gross Trailer Mass (GTM) is the maximum mass recommeded by the manufacturer of your fully loaded caravan when it is hitched to your tow vehicle. MIDLAND TRAILERS 10 LLOYD ST MIDLAND 92501331. That's 3 people and some luggage. Your ARB store will be able to point you in the right direction as to who can help perform this task, which is generally very simple. Everything you place on or in your vehicle adds to the overall GVM fuel, accessories, cargo (including passengers), the tray body for cab chassis models, and even the tow ball load applied by a boat or camper trailer. Upgrading a vehicles GVM is finalised by registering the vehicle at the higher capacity, as well as the suspension upgrade documentation to the respective state authoritys database to officially document the approval. This weight is added to the wheel weights to calculate the empty caravans Tare Weight. There are 3 Main Reasons why people have their caravans and tow vehicles weighed by Check Weight. There are also a number of measurements that need to be taken, which form the basis of the assessment. If we take note of some statistics out in the Web far to many travelers are seriously over weight. The usable payload of many 4X4 vehicles today is minimal, making GVM upgrades and GCM upgrades vital for the safety of your 4wd. GVM ratings also change the TARE ratings. Steps to increasing your Caravan's ATM.
Mobile Caravan Weighing | Servicing NSW | Check Weight Read Next How to reduce your caravan payload by 200kg. Thinking this was more than enough for me all I had to add was the 320kg ball weight for the caravan, and some other modifications that I wanted to do, and all will be sweet. Maximum 5950. Upgrading a vehicles GVM before first registration is much easier, as the vehicle is in its original manufacturers state including tyres with no vehicle alteration. Most manufacturers these days do not specify a maximum allowable Towball Mass on the caravan compliance plate. We gladly accept card payment after certification with mobile EFTpos facility. Under 2500Kg Caravans. Have a look atthis news report. 4495Kg GVM with 4500Kg towing. Now that is a lot, and you think why do you need more? Do you need to get your caravan chassis or suspension repaired? Many others had problems with their TBM or GTM. Do I have to get my trailer weighed before inspection. DOT Approved Used Vehicle Inspection Services, Reliable & Affordable Car Service Centres in Canning Vale, All-in-One Break Repair & Clutch Replacement in Canning Vale, Radiator & Car Air Conditioning Repair Service in Perth, Radiator & Car Coolant System Repair Perth, Affordable Car Services for Engine Repair, Diesel & Fuel Injector Cleaning Service in Perth, we make getting your cars GVM upgraded easy, book an appointment with AME Automotive today, The Ultimate Guide to Car Services in Canning Vale and Perth, Your Go-To Car Service and Automotive Mechanic in Perth, This website lovingly created by Dezign Digital 2020, National backing of specialist suspension, steering and brake outlets. In this same scenario with a 300kg GVM upgrade, you would have 330kg of additional payload on the vehicle, and would still be within your GCM limit. Those seeking a GVM upgrade for their 44 in NSW will no doubt be surprised to learn that NSW changed GVM upgrade rules, literally overnight. Installing Full Air Bags. We have been proudly providing trailer engineering and design services since 2008. Contact us us today to discuss your options for GVM, GCM or Tow bar upgrades. 252.2 km Directions.
Caravan and Trailer ATM Upgrades - Coastwide Engineering Solutions There just isnt much weight you can add on. Australia's #1 RAM Truck Specialists. Federal laws do, however, allow for a vehicle's Gross Vehicle Mass (GVM) to be upgraded. Trucks'N'Toys is a family-owned and operated company and have been in operation for over 40 years. A GVM upgrade may be able to solve this issue. While this doesnt alter the towing capacity or Gross Combination Mass (GCM) of the vehicle, it does assist in managing ball weight on the tow vehicle managing your vehicles GVM limit. Adelaide (08) 8369 1377. New vehicle GVM upgrades are only granted by the Federal Department of Infrastructure and Transport after detailed tests have been carried out by Old Man Emu Suspension Engineers. Ironman 4x4 do not undertake GCM upgrades and explained some of the difficulties surrounding them: "When we increase GVM, we can ensure the vehicle is tested and complies to the right kind of performance and level," Kristian Ristell says. An engineer licensed with the Roads Authority as a vehicle certifier was required to undertake the process. Assumes 8% of fully loaded Caravan with an ATM of 3100 kg (8%-15% is average) So now assume you add 4 people and luggage to the car. If the trailer is not suitable (i.e. EG::: CURRENT ATM IS 2400 KG UPGRADING TO 2800 KG. The compliance plate marks the legal recognition of your cars increased load limit so that you can drive around with a higher load in your vehicle without any police issues. Airbag retro-fits are common for these customers, according to Cruisemasters Marketing Manager Nathan Smith, as are uprated wheel bearings, brake and shock absorber upgrades and new couplings. We ensure that the increase in a vehicles GVM following the fitment of a complete suspension system meets the minimum ADR safety requirements.
Weighing your caravan - Caravan safety - Drivers - Staying safe - NSW If you want to know more about the specifics of the Dmax in terms of weight, you can check this out - Isuzu Dmax touring setup weight. The vehicle can then be registered with new increased GVM, ensuring it can be legally used in all states of Australia. Like most stories then came along everyones mate Covid-19, we made a mad dash for the border and just like that our trip was done, or was it? So to put it in short you will need a good quality GVM upgrade before you start adding too much weight to any vehicle, whilst I am not an expert I know through my own learnings (and spending) on GVM upgrades you will need to talk to thequalified team at AME Automotive. I think your asking a lot of a 3.2 litre motor . Your ARB store can put you into contact with these suppliers. You can also get it 4830kg GVM with 3500kg towing. Old Man Emu GVM Upgrade on the Dmax This car has a standard kerb weight of 3452kg and a GVM of 5216kg giving us 1764kg of weight we can put on the vehicle. Possibility of litigation under common law if the vehicle is operated beyond its legal Load Limits. THE CHAIN MAY BE 10MM WHICH HAS A CAPACITY OF 2500 KG. Factory caravan aggregate trailer mass (ATM) ratings only typically allow for an approximate payload of 400kg. Once approved, he will issue a TMR certificate and attach a modification plate on the spot. If you want to chat GVM or think your car is ready to be upgraded to the next level, then book an appointment with AME Automotive today! Dr Tim's Auto Engineering supply Automotive Engineering Services to vehicle modifiers. Australia has a strict set of rules that looks after the GVM of vehicles.
GVM Upgrade - Just Suspension UPGRADES. (Part of consumer law since 2011) If you have to travel with your water tanks empty then is that fit for purpose. Its worthwhile noting that this could prove an advantage because if a fault is discovered during this inspection, its likely the owner was probably unaware of it.
GVM Upgrades | Lovells Automotive High Praise to Jason Underwood Design (0400123852) Email jason@judesign.com.au Jason was very professional & after inspection had a new plate to us within days. (We also offer a similar GVM upgrade service for tow vehicles). Toyota Prado 150 owners have had the limitation of 2500 kgs towing capacity and 250 kgs ball weight. GVM, GCM whilst towing a caravan - YouTube 0:00 / 2:59 Watch your weights! Seeing the growing market demand for off-road caravans and the demand for vehicles to tow them legally, Queenslands recently re-branded Cruisemaster (formerly Vehicle Components) has established a Towing Performance Centre (TPC) offering everything from suspension servicing to complete retrofits and ATM upgrades for caravans and their tow vehicles. We operated several retail stores one being a camping store for some 15 years. Old Man Emu GVM Upgrades New vehicle GVM upgrades are only granted by the Federal Department of Infrastructure and Transport after detailed tests have been carried out by Old Man Emu Suspension Engineers. JU Design can provide ATM upgrades to your caravan based on the major components of the vehicle. I just got rid of 'stuff' I didn't/think I needed. The best bit is that you get to have a holiday on the Sunshine Coast while we work on your caravan! More than just peace of mind, staying within the legal limits of your vehicle can avoid some very serious ramifications when it comes to registrations, insurance and litigation. Would you like to replace old or worn suspension? Key to our team is registered professional engineer, Deon van Deventer, who has a strong technical background and formal engineering qualifications. A GVM upgrade is a term for a whole bunch of accessories. Limitless Chassis GVM upgrade package are backed by a Pedders 2 Year/40,000kms Nationwide Warranty. Dealers etc. Some GVM upgrades change more than suspension, but its not normally the case. GVM UPGRADES. A Gross Vehicle Mass (GVM) upgrade is an independently engineered and tested suspension solution which allows users to increase the payload of their vehicle from what the manufacturer originally designated. Caravans that exceed the plated ATM are illegal. Gross Trailer Mass (GTM) The GTM is the maximum allowable weight that the fully-loaded caravan imposes on the ground through its wheels and axles. We have one but with a little extra. Now that you know what all the weights mean, the next thing to do is get your caravan weighed. Switch to the light mode that's kinder on your eyes at day time. Old Man Emu GVM upgrades are available for the following vehicles. An ATM upgrade will ensure that your caravan/trailer is compliant at a higher load rating, minimising the risk of facing legal or insurance complications, We will determine what load your caravan/trailer chassis is capable of handling whilst remaining within safe structural guidelines, An ATM upgrade will not only ensure that your caravan/trailer becomes compliant, but also give you peace of mind knowing that it satisfies structural requirements. Save my name, email, and website in this browser for the next time I comment. Back To Home Page How To License Your Trailer admin@midlandtrailers.com.au Photo Gallery. Not bad at all. Car manufacturers these days have low original GVM value. Failing to abide by the regulations can invite hefty fines, and loss of your insurance coverage if you get into an accident. GVM is your cars gross vehicle mass, which decides the maximum load your car is allowed to carry while on the road. I reckon that your going to have to get brunswick diesel chev v8 conversion in that vehicle with all the weight . Select a region to view specific ARB products and stores for your area, Mazda BT-50 2021 on (4x4 and 4x2 Hi Rider), Toyota LandCruiser 200 (Oct 2015 onwards) Series GX / GXL / VX / Sahara, Toyota LandCruiser 200 Series GX / GXL / VX / Sahara, Toyota LandCruiser 79 Series (tray) Single Cab, Toyota HiLux 2020 (August 2020 onwards) (4x4 only). With a standard Landcruiser weighing in at roughly 2740kg, the standard GVM is only 3350kg. One of the most common modifications that us 4X4 Enthusiasts make to our vehicles is the upgrading of suspension componentry. The team at AME Automotive will ensure the upgrade so that it can be certified by the Department of Infrastructure and Transport. Welcome to the gang Gunnago Camping, enjoy here and out in the playground. A vehicle with the required accessories suitable for your work or travel and a payload of camping/work equipment or a custom tray body may be close to or even exceed the Original Equipment allowable GVM. Drawbar reinforcement, if applicable. 450mm Extension suits 2100mm tray From $6,500 AUD Info. Thats why we ordered our caravan with 3 water tanks. He has a keen interest in chassis design, particularly in the areas of suspension and structural compliance. Crossmember size 11. Heavier trailers IE More money in their pockets. According to VSCCS Notice 17 Conditions to increase axle mass ratings above the vehicle manufacturers ratings dated 20 April 2020, which our sister site, Unsealed 4X4 has been told was issued without prior consultation with aftermarket suspension manufacturers, the new conditions are as follows: Increasing axle mass ratings above the first stage vehicle manufacturers rating is ONLY PERMITTED providing: This notice is to clarify future and existing modifications based on the applicable Vehicle Standards Bulletins VSB 14 and VSB 6 which have been in place since February 2006. Little did I know that the car wasnt legal to carry heavy loads or tow heavy loads straight from factory like so many people believe. I do believe that forums are our best supply of information & advice. Engine power is a long way down the track as far as towing concerned. Either way its the best thing we have done. GVM Upgrade Solutions in Sydney JUST SUSPENSION GVM (Gross Vehicle Mass) Upgrades Gross Vehicle Massis the maximum your vehicle can weigh when fully loaded as specified by the manufacturer.So GVM is the Kerb Mass plus driver, passengers, luggage, pet dog, esky, tool kit and whatever else you're taking with you. With full tanks it carries about 140litres of fuel. CARAVAN & TRAILER ATM UPGRADE Mobile Service - we come to you certification of trailer modifications (ls12) GET LEGAL An ATM upgrade will ensure that your caravan/trailer is compliant at a higher load rating, minimising the risk of facing legal or insurance complications MORE PAYLOAD
THE LEGALITY OF TOW VEHICLE CAPACITY UPGRADES - HemaX Caravan World Selling to upgrade - tare weight 1020kgs GVM 1500kg $13000- negotiable.
GVM Calculator For GVM & More - Jacksons 4x4 - Jacksons 4x4 Accessories Primarily because, the powers that be. However, the good news is you can always increase it to meet your changing demands, and AME Automotive provides the ultimate GVM upgrade service that will transform your car into the load carrying monster you need it to be. GVM upgrades are possible on all types of light trailers, whether it be a box, boat, custom or an industrial trailer. EVERYTHING else comes second. Byeee. This may require work, for instance, to reinforce the chassis or drawbar, or upgrade or increase the size of a chassis component such as brakes or axles in order for the assessment to continue. Once approved, he will issue a TMR certificate and attach a modification plate on the spot. Bring your vehicle into AKZ Vehicle Engineering and Design Service for a professional GVM-GCM upgrade.
Suspension - 4WD Accessories - TJM Cairns, Townsville, Mackay, Mt Isa Four-Wheel Drive Suspension Upgrades Explained - HemaX Caravan World Lovells Automotive | Suspension & Towing Solutions I Australia In our opinion Jayco make a great value for money caravan but are far to ridged when it comes to its customers needs. Our team at Bold Trailer And Caravan Repair Centre (Bold TCRC) can weigh and inspect your camper trailer to see what is needed to increase its GVM/ATM.
GVM Upgrades - By Dr Tim's Auto Engineering Felk Engineering performs suspension, brake & chassis upgrades on trailers to increase the GVM rating. We are based in Albany Creek, about 30minutes north of the Brisbane CBD. The NHVR uses the National Code of Practice VSB 6 as its endorsed guidelines for vehicle modifications, you can find a copy here and it's a good idea to consult this guideline when you are undertaking modifications to your Heavy Vehicle, if you are unsure . Just don't read my posts and we'll both be happy hey. GCM. This is the Camper Trailer, Hypercamper or Caravan's maximum legal weight when fully loaded and must not be greater than the chassis capacity. The caravan manufacture then fits the compliance plate. There are six compliance ratings that need to be checked, including the Gross Combination Mass, which is the total weight of the caravan and tow vehicle combined. Essentially, some very clever people in the aftermarket have sat down with some very stern people from the traffic authorities and worked out exactly what's stopping your 4X4 from being able to safely carry more weight. The final weight over the front axle of your vehicle is often determined by the weight over the rear axle, as more rear axle weight will reduce the downward pressure over the front axle. We have many optional extras and upgrades for your Tradesman Trailers. Just a little bit of possible help for Victorian caravan owners. The circle is turning. Interesting first post. FELK Engineering Pty Ltd. All rights reserved. Ours cost around $100,000 but that was with everything you could imagine. We offer a full caravan ATM upgrade service here at RV Service Centre Toowoomba - where we can legally increase the ATM and/or GTM of your caravan, to ensure you van is legal. Customers also receive a copy of all the accreditation documentation. . Standards AS4177), Suspension: Type of suspension (Leaf/Coil/Torsion/Airbag), Springs: Type of spring, (Slipper/Rocker/Roller), width, thickness, and number of leaves, Axles: Type of axle (straight/drop/overlay), shape (round or square), and the load rating, Brakes: Brake type (disc/drum) and size (10in/12in). These ratings and capacities are there for a reason, ensuring the caravan is legal and able to be operated safely. The best bit is that we have quick turn arounds and even space for you to stay in your caravan while the work is being carried out if you need to. He has assisted numerous caravan and trailer manufacturers with development of their products for manufacture both locally and abroad. We know exactly what is required of the perfect 44 vehicle,and the usable payload of many 4X4 vehicles today is minimal. The best advice is to get good advice before you decide on a path to follow. Old Man Emu shock absorbers and springs carry an unlimited km warranty in the first three years.
ATM Upgrade: is it worth it? - RV Service Centre Under by 131kg, or 4.24%. At GVM, your vehicle will weigh 3300kg + a 2500kg trailer sits comfortably 200kg under your vehicles GCM. The usable payload of many 4x4 vehicles today is minimal. Over the last ten years, however, we have diversified our specialisation towards RAM and Silverado's. Integrity and accountability are at the core of everything we do and we believe in good old fashioned . They are however more expensive. Hold a lot of memories from accidents.
and Safer lifestyle. When the car is fully loaded to 3350kg (Max GVM), you can still legally tow a 3500Kg Trailer or Caravan. The upgrade will normally increase the compliance rating of both the Gross Trailer Mass (GTM), and the Aggregate Trailer Mass (ATM). For example, if a trailer is rated to 750kg GVM and the trailer weight is 250kg, then you could place a 500 kg load onto that trailer, which will give you . Transmod helps us ensure that the caravan upgrade projects that we undertake comply with ADR 62 and VSB1. With a Ute full of tools or 4x4 gear for your weekend adventure, the total weight of your vehicle may be nearing or even surpassing the legal maximum GVM (Gross Vehicle Mass). The final part of the assessment is a full inspection of the chassis and caravan that hopefully will not show up any defects that make the upgrade unachievable. Through realising the difference between. Our Silverline now has an ATM of 3500Kg & 350Kg towball download. Contact us to arrange a free assessment of your trailer or van, usually within the next day or two. This is completed through a detailed inspection and upgrades to the caravans componentry and/or suspension. All our GVM upgrades are performed to the highest of standards and leave the workshop 100% RMS compliant. Heavy Vehicles in Australia that are more than 4.5T GVM must now operate under the National Heavy Vehicle Regulator laws and guidelines. Right here on the Sunshine Coast we do; caravan ATM (GVM) upgrades, rust repairs, retro fit shock absorbers to your caravan, change your caravan suspension, your possibilities are Limitless. Our range of 4x4 accessories provides the ultimate one-stop shop to suit fleet vehicles and the occasional weekend tourer, right through to the serious off roader. Its just my opinion but keep us all posted you might prove me wrong , I hope so. It's not really that simple. The heavier the trailer, the more expensive it is during registration. Drawbar length 2. A GVM upgrade is achieved by fitting a purposely packaged solution of shock absorbers, springs and other suspension components which are tested and accredited by an independent engineer. Felk has a large inventory of parts. As far as SAFETY for both Ourselves, and the people\property we can hit when things go 'not nice'. On the van side, the actual process varies depending on what we start with. Our qualified mechanics are experts and will make sure the car is safe and in the right condition to proceed with an upgrade. So we went looking for a VASS Vic Roads certified engineer who could inspect & approve an ATM increase. In our opinion its not. This report can then be taken to VicRoads or relevant state authority to have the ATM altered on your registration. Firstly, dont panic, they have a seriously good look at how you can reduce weight in the caravan. can help just one, newcomer or otherwise. We carry out minor and major repair work and all types of modifications to caravan chassis. 8.8 km Directions. Under 2500Kg Caravans. We had Sixwheeler in Toowoomba modify ours to a master piece.
However, owners do need to understand that any weight added to your vehicle, whether you have a GVM upgrade or not, can have an effect on how much you can tow. The weight that is applied to the vehicle from the downforce of the tow ball of the trailer. Assessment includes braking and stability control testing to ensure that each vehicle and package combination maintains all of the vehicles safety standards while capable of carrying a greater payload. Herewith some contacts if you need help with this: Rod Bailey0407 240 702rod@gvmcheck.com.auShed 4, 6 Quinns Hill Road East, Stapylton, QLD, 4207, David Lewis0477 897 700weightcheck@bigpond.comPO Box 5827, Stafford Heights, QLD, 4053. A weight upgrade is a process that enables your caravan to legally carry more weight. Thats 9000kg GVM for around $70,000. While the change doesnt affect vehicles produced by Second Stage Manufacturers (i.e. GCM is usually lower than the combination of the GVM and the vehicles towing capacity. To get started with lifting your rig and improving ride quality and handling, give your local store a call today to know about the prices of different suspensions and more. At Fulcrum Suspensions, we understand that you may like to load up your 4WD. Electrical upgrades like the fitting of inverters and battery and wiring upgrades are also popular to allow existing caravans to power more items off the grid. Call Deon on 0408 112 604, or email deon@okajaro.com.au. Superior Engineering. Coupling: The make, load rating, type (ball or off-road), and the bolt size and type of nuts.