legal tyre size calculator nsw

Alternatively ring them. while keeping an overall diameter and a circumference of the new tyre approximately the same as they Misaligned wheels By J. ames Cleary -25 Feb 2023. . But do your own checks first because there is a 24 xtrail version. If you know for sure that your vehicle is illegal (essentially if your roof height has gone up by more than 50mm from factory), you need to do a lane change test, and have an engineer to sign off on the modifications. To be considered roadworthy your tyres must be free from cuts, cracks . Youve brought up a very interesting question. MC is 44 for off road use. In other words, 1 inch goes above the diff, and one inch below the diff. Ive just bought a set of used tires(205/60/16). Cars manufactured on or after the first of July 1988 must also have a speedo that is accurate to plus or minus 10 percent for all speeds above 40km/h. In fact, the actual diameter of the tyre is not larger than 15mm of the size of 225/40/18. The moment you change that, the engineering goes out the window. How to choose the right tyres for my car? Youll have to ring the department of transport over there and ask. Legal Disclaimer Tire Pressure Calculator Limitations. Would be much appreciated. When changing tire sizes, we recommend staying within 3% of the diameter/height of the original tire. you install the larger wheels on a car. maybe lol - need a Gingerbeers certificate if tyres are over 7%. Front Tyre Size Front Rim Rear Tyre Size Rear Rim; 2023: Ute : 255x70 R16 255x70 R16 2022: Ute : 215x70 R16 215x70 R16 . If you are considering replacing your tires with a different sized tire, you can conduct a size comparison, which can help you determine what alternate tire sizes will work on your vehicle. Ride Height and Gearing to Remains the Same. I totally agree; there are plenty of modified 4WDs that handle better than they did from the factory showroom, but unfortunately there are serious risks of driving a 4WD that isnt legal over here. Tire Size Comparison. please pay special attention to the following: wheel size, i.e. you can enter the chosen tire size and you'll be presented with the adequate rim width range for the tire size. Dated 25 October 2018. Search hundreds of tire sizes to find the right tire size for your application. It also specifies the distance between the bottom of the guard and the centre of the wheel. Modify or construct a vehicle. Coil spacers are not ideal, but they do work. Since the blitz in Qld, police in NSW have also started paying close attention to 4wdrivers that are lifted slightly over the limit. For those of you out there that are running bigger than a 2 inch lift, your vehicle is illegal. Details. If you are towing its even easier to be illegal. All of these things (and many more) can contribute to having an unsafe vehicle. It also solves the problem of deciding what tyre you would like to run if you have inch . Disclaimer:Tyre interchangeability is not always possible, so be sure to 15.2mm do exceed the legal range(15mm), but because it is used tires, the tyres tread has been worn out more than 1mm when I put it on my rim. original equipment(OE) tyre, Effectively, you are limited to a 50mm bigger tyre and 25mm suspension lift without engineering. In many cases, a vehicle with 50mm tyres and a quality 2 inch lift kit will handle better on the road, but you still need to prove it is safe by having an engineer sign it off. An example is 70 series Landcruiser. We recommend you take the 20c test once a month and before any road trips. Find your tyre size based on its sidewall code. However there are maximum limits that an inspection authority can certify. Without them, you won't be able to go anywhere. Factory Tyre size is 30.6. Cheap tyres. Tip: To determine if the tyres you have selected require certification you need to look at the tyre placard fitted to the vehicle by the manufacturer. All punctured or damaged tyres must be removed from the wheel for internal and external examination to ensure there is no hidden secondary damage which may later cause tyre failure. Though your tyres will really wear out over time, there are some factors that can accelerate the process. 4. In fact, the actual diameter of 8.25-16 is 865mm. It is not a 100% guarantee of correct fitment. Tyre Calculator. No, I would say you cannot. Use our tyre size calculator to calculate the diameter, width, sidewall, circumference, and revolutions per mile of any tyre. Many thanks, 4) Rim diameter in inches. the standard tyre size is 275/70r16, and I've gone with 285/75r16. Just type in a metric or standard size tyre and click calculate. 31X10.5R15. This is a tyre size chart i saw at a 4wd shop workshop the other day. In reality then, you are limited to: 1 inch lift and 2 inch bigger diameter tyres (together) 2 inch lift and the same size tyres. If you have bigger tyres than standard and a 2 inch lift (or bigger), your vehicle is also illegal. I would contact the department of transport for your state and get a list of the engineers, and call them. On top of this, if you do any towing, there are 7 weights that you need to comply with, which confuses everyone. The tire will stick out 15 mm farther. Sponsorship welcome so long as independence is . 2) Percentage height of the sidewall in relation to the width. Theres certainly some interesting areas to delve into that youve mentioned though. So which websites do 1inch lifts cant seem to find any. As one of Australias leading multibranded fuel cards, the Tyrepower Fleet Card gives you the power of so much more. When changing your tyre size, stay within 3% of your original tyre's diameter and height. Our tyre calculator makes this happen for you. In Victoria the maximum width of any replacement rim cant be more than 25mm, or one inch greater than the widest wheel specified by the manufacturer for that vehicle or model. Plus Sizing Calculator. If I do not notify the insurance company, will they decline my claim? %PDF-1.6 % Example requiring certification: Fitting an alternative fuel tank or repositioning of an existing fuel tank to non-original mounting points. This post is referring to WA though. Pay for it later - in four equal instalments. RD = 664.4. I found this from Mr 4x4 in my inbox this morning. Calculate your offset, compare tyre stretch, rolling radius and more. Suck it guys. 1. Im struggling to find an engineer that is sympathetic to my needs, and I have several mods that need engineering. experience with the Tyre Size Calculator, CS|Cycling-Sport's tire pressure calculator is to be used as a reference tool for end-users. The calculator lists optional/alternate tyre sizes, based on the entered OE tyre size, where the overall tyre diameter for the Aus Navara is a 255/70 . Motor vehicles in Australia are subject to many complex but necessary safety standards, and tyres are no exception. However, I do believe there is an unhealthy obsession with fitting Bigger Tyres and lift kits, without proper consideration as to the benefits and risks associated with doing so. Cheers. If your tread depth is less than 3mm, you should consider replacing your tyres. Its only the inch below the diff that raises the vehicle. The diagram below shows the permissibile conversion from a 15" through to a 20" tyre. if suspension flex is your cup of tea, you have either the wrong vehicle or as a weekend warrior either way you are close to home. And for 4WD owners and prospective buyers the big news is this: "Allows ride height to be increased by 75mm; comprising 50mm suspension and 25mm wheel/tyre without requiring certification under . Tire diameter measurements vary for each pattern or brand. NEW feature: Or, You can display adequate tyres for all three Plus Sizing methods: 26-Nov-2018. Acceptable for most cars. For starters, lets consider what is legal, and then you will know where you stand right now. Ok now add the revenue earners into the fray and you are behind the black ball, without any sense of engineering principals of strength and capability they are totally reliant on the lowest common denominator, the specs. 1 inch lift and 2 inch bigger diameter tyres (together). Shop for Tires. Why Buy Tires Online? 185R14. Vehicle Standards Information . you guest it its all about the weakest vehicle manufacturer in the group. Ive heard this too. Then as a bonus it shows examples of your speedometer reading with the first tyre, and the actual speed you"re traveling if you were to install the second tyre. To be blunt, in the event of an accident, your insurance company can literally tear your policy up and walk away without paying a cent. Compare your new and existing setup and our tool will show you key measurements for accurate . In theory then, a car with 15-inch wheels might be able to take a 17-inch space saver. Wheel/Rim Size Calculator in which Thanks. Its not a huge difference between the two but the profile difference between 75% of the tread width and 70% can be enough of a difference to put your speedo out of whack too? The condition of your tyres is imperative for the overall performance and safety of your vehicle. Our handy Tyre Calculator lets you see all the acceptable tyre sizes that exist . Width (A) - The tyre width measured in millimetres. At the RTA (NSW) they said a 750R16 is the same diameter as a 235/85R16. endstream endobj 379 0 obj <>stream (4th March 2011, 14:41 #4: GTO. Unless you planning on doing serious off road work, Id get the 16s. If your tyres are worn to the tread wear indicators (TWI) - 1.6mm or below - they must be replaced. Bigger tyres and lift kits will make a 4WD more capable off-road, but it also makes them illegal on the road, unless you have jumped through a number of hoops. h262P0Pw/+Q0L)662)Ic0i1P` In regards to breaking the law, I dont think so, but confirmation from your local road authority would put your mind at rest. any chance you could help me out mate? Steering and suspension issues Team-BHP Support . Email Us. Factory standard tires on the MR Triton is between a 245/70R16 or 245/65R17 or 265/60/18 which all roughly equate to . My intention is merely to make those with 4WDs aware of what you can and cant do, and how those decisions can affect you in terms of your insurance, the way the police deal with you and what modifications can do to a 4WD. What happens when my Tyre Tread Depth is below the legal limit? The vehicle's steering or suspension geometry may need to be . There are three main ways of measuring/checking your tyre tread depth. The thumb rule to calculate sidewall height says that for every 10mm increase in width of tyre, the sidewall height (or aspect ratio) should be reduced by 5%. Tires are manufactured with the tire size printed on the sidewall. Thank you very much, Aaron, any suggestions or tips would be greatly appreciated. I, ANDREW BROAD, Assistant Minister to the Deputy Prime Minister, determine this vehicle standard under section 7 of the Motor Vehicle Standards Act 1989. and Terms of Service apply. If one of the tyre sizes marked on the placard (eg 215/65R17) matches the marking on the tyre sidewalls, certification is not . I know this, as Ive been on it (cant remember the address) and I have spoken to engineers who have looked this information up in a matter of minutes. This means the maximum size is actually 813.3mm. Therefore you need to find 20" tyres with a rolling distance that falls between 651.4mm and 679.4mm to be legal. Posts: 66,782 Thanked: 266,033 Times View My Garage . Towing capacity; a simple guide to keep you legal, 50mm tyre size increase on models in your range, https://bigtyre.com.au/store/P2592/825r16-haulmax-att304-set-14-ply-tube-tyre, What to take on a lap of Australia, and leave behind, The progression of camping; perspectives and what you really need. Now, I understand this post may get your blood boiling a bit, and I totally understand. Heres the list of engineers, or try On Track Fabrication: http://www.transport.wa.gov.au/mediaFiles/licensing/LBU_VS_IB_102.pdf, Getting sick of seeing 44 lifted and tyres sticking out past guards . If you have modified any of the following items on your 4WD itwould be a very good idea to do some reading up: That said, there are 32 ways to make your 4WD illegal which are pretty straight forward. It's time to get a new set of tyres to avoid possible blowouts and accidents. You will find that the Everest had its compliance rating changed to MC, so its not actually a passenger car. hok0\d$(2[H6JjpL^Kf 9HLe x@j((B(G}#@)@n@!46 )) HEP cY . Copyright Drive.com.au 2023ABN: 84 116 608 158. I would assume they go off the size listed, not its actual measurement. When a tyre is brand new, it starts off with about 8mm of tread depth - measuring from the bottom surface of the tyre to the top of the tread. Hey mate, i noticed you said we are allowed to raise the roof height by 2, however you also said you can get a 2 lift and the same tyres, or a 1 lift and 2 bigger diameter of tyres. The moral of the story here is that if your aftermarket fuel tank is a different capacity or mounted differently, ensure it comes from a reputable source that has already done the certification hard work for you. There is a government website that most workshops have access to, which gives you all the detail you want about roof height. There are heaps of calculators, google tyre size calculator but the best info you can get is from your local RTA authority websites. 165R13. represents the ratio of the difference between OT and OE tyre diameter and the difference between For example, for cars manufactured after 1973 and weighing more than 1201kg, the maximum increase is 51mm. Im in WA and have a Suzuki Grand Vitara Prestige. Developed in association with the NSW Vehicle Standards Working Group . Its value It probably is over regulated, but it does stop a lot of people doing stupid things too. Id also probably avoid going for steel wheels unless you want to increase your fuel consumption. 155/80R13. Also browse our tyre categories and deals pages for Jeep tyres, 4X4 tyres, cheap new tyres, all weather tyres, cheap truck tyres, all season tyres, and tyres with free shipping. Does this law apply in vic as i see lots of 4wds over the size limit for lifts and tyres. Here's a guideline to what's legal in the major states of Australia. Enhance grip and traction for safe braking and confident driving. Here's all the information on the tire sidewall quickly decoded: 1) The width of the tires in millimeters. Tyre Repair Ok so for the practicalities, if it rides like a boat then it is illegal, if in the braking arena you bend the pedal, foot well or your leg or presents anxioty than its possible illegal or brakes are not up to spec. (OE TD - OE WD or 2 x OE sidewall height). Assuming that this is OE wheel/tire and there are no any problems with clearance on both sides. It also solves the problem of deciding what tyre you would like to run if you have inch measurements in mind but can't find a company that manufactures that inch size tyre. To calculate a metric tyre to height in inches: (#1 x #2 / 2540 x 2) + (#3) Example: 285/75R16 (285 X 75 / 2540 x 2) + 16 = 32.8 inches tall. If you are going to be lifting vehicles, you need to look at VSB 14. Insert the coin into the tread grooves on your tyre. Make it a habit to check them once a month. Aspect Ratio: The height of your tyre from the base of the tread to the rim, as a percentage of the tread width. This applies to the central three-fourths area of a tyre's circumferential tread and across its entire circumference, all the way around. It doesnt consider any roof attachments; its just the factory roof height. Wheel and tyre combinations that exceed these rules can be used as long as an engineering certificate has been issued by an appropriate inspection authority. TAKE NOTE: Tyre manufacturers recommend that you don't allow your tyre tread depth to go below 3 mm for added safety. Profile / Aspect Ratio (B) - The profile is the depth of the tyre sidewall. For the purpose of this post, I will only touch on body/suspension lifts and tyre sizes. When upsizing the wheels and tyres, the overall diameter must be no more than 15mm larger or 26mm smaller than the tyre size designated by the manufacturer for that particular model. Our tyre safety tips provide practical advice: Keep tyres (including the spare) inflated to the recommended levels. Find the series of numbers on the sidewall. =Dbz1a|m QB!A>W5_4Q. After some quick tips on how to tow a trailer or caravan safely? I have been looking into this for my SUV 44 x-trail. I have Fitted king lifting springs and raised 30mmAnd now looking at Tyre options. Tyre tread is the rubber found on the circumference of your tyre. 7.00R16. Puncture repairs must meet Australian standards. Plus One, Two and Three; at the same time, by clicking on the "Show Plus One, Two 'n Three Tyre Sizes" - the blue button. consult your car manufacturer's manual before changing your tyres. Remember, too, that changing the rolling radius of a tyre can affect the accuracy of the speedo, so it pays to ensure its checked by an expert. Note: Tyres showing wear on one side, or showing feathered edges to the tread pattern, are often indicative of mechanical maladjustment. They are placed by manufacturers to help ensure your safety on the road. Just fill in the inch measurements you are looking for and it will calculate and exact metric version of that tyre. Hi All, Check out our guide for answers to all your questions. You can use it for a wide variety of tyres including street, racetrack, trailer, spare, off-road and even extreme mud-terrain tyres. I dont see it changing any time soon! Example not requiring certification: Replacing 215/65R17 (712 mm overall diameter) tyres with 235/65R17 (738 mm overall diameter) tyres, an increase in overall diameter of 26 mm, or 4%. The third number generally preceded by an "R" is the wheel diameter. Legally in Australia, tyres must have a minimum tread depth of 1.6mm. legal tyre size calculator nsw. In order to get the list of optional(i.e., replacement) tyres, that are adequate for your new wheels, in the plus sizing calculator below, Fitting and adding alternative fuel tanks are also covered: Fitting/adding an alternative fuel tank or repositioning an existing fuel tank to non-original mounting points. Youre also not allowed to fit wheel spacers unless they are factory fitted while steering limit stops cant be adjusted to allow the fitting of larger rims or tyres. If you want to read through the document, you can find it here. Im looking at lifting my Hilux and was just wondering if the roof height included any roof attachments, i.e awning, roof rack, gas bottle holder etc or i s it worked from the manufacturers standard roof height from their vehicle specifications? We'll reach out to you as soon as we can. (Roughly a 32inch tyre). Look at your existing tyres and enter their size into the calculator. I thought 265/75/16 was more common than 70/16? The skinny tyres fitted to the cheaper models are actually taller than the wider tyres fitted to the GXL. Put safety first when using the road and ensure youre performing regular tyre examinations and tyre maintenance. If you want to know What is the legal lift kit height, make sure you also consider the tyre size change, as this is what usually catches people off guard. Multiply a tyre's width by the aspect ratio to get aspect height (205 x 0.55 = 112.75) Convert into inches (112.75 / 25.4 = 4.44) Double the aspect height (4.44 x 2 = 8.88) Add inside diameter of tyre (8.88 + 16 = 24.88) When changing tyre size, the tyres should not have more than a 1% difference in diameter - less than 0.5% would be ideal. . With that being said, Tyrepower recommend you should consider changing tyres at around 3mm of tread, rather than waiting for the minimum allowable depth. A race 225 width tire on a 6" wheel will perform better than a street 225 width tire on 7" or 8" or 9" wheel, or a street 245 width tire for that matter (if the car has enough horsepower). P275 / 35 ZR20. It is the part of the tyre that comes into contact with whatever surface you are driving on - from smooth highways to muddy off-road terrains. select OE tyre size. Overspeeding - especially when cornering Is the 8.25-16 on toyota 80 legal regardless the actual diameter? The New South Wales Roads and Maritime Services have released a concise document that deals with many of the new rules that surround the modification of any vehicle under 4.5 tonnes GVM, and required certification. Your feedback, suggestions and ideas in order to help us serve you better. The police has no real job in this country.Therefore they giving #### to the motorists for no reason.Australia is the most over regulated country in the world.A nanny state.In America ,people can put all kinds of wheels on their car,how come we cant?We dont live in a free country unfortunately.Some stupid people trying to control everything we do,like in a police state. Get weekly updates with the latest car news and reviews. Perhaps you should re-read, before you leave comments that make you look rather silly. are for the OE tyre(i.e., stock tire). To find alternative tyres, simply click on each size to see what Tyroola has available. If you have an accident with an illegal 4WD, what happens? The X-trail T31 2007 44 is rated MC. While it may sound simple just to increase the diameter of your wheels, as you . The only way this does not apply is if it has been signed off by an engineer. / R. select new wheel diameter size. A great, cheap option for light trucks and vans, providing low noise and comfort on the road. It is also dangerous to drive because: Your tyre will lose grip and traction. The sidewall heights are:- 265mm. select your original equipment(OE) tyre size, the new wheel/rim diameter The Prestige being the top-of-the-pops 44 model with various extras including low range. See changes to diameter, ground clearance, speedometer and get guidance. I cant answer your question about whether they factor actual size, or theoretical size. This is for informative purposes only. 3. Next thing you should do is to find the right wheel for the chosen tire size. The calculator and the information provided is free to you but cost me to produce and maintain, so please consider supporting me on Patreon and YouTube. Im going to assume you dont have a 4WD? By fitting a lift kit, your center of gravity increases. should be the OE tyre size) diameter. Increases in wheel track (the distance between the left- and right-hand wheel) cant be greater than 25mm beyond manufacturers specification. difference between an optional tyre(OT) and the original equipment(OE) tyre fits within the range of -3% to +4% The most likely place tyres will rub is near where your accelerator is, when you are full locked one way and the tyres flex up. The thing is it came stock with alloy wheels and 225/60/R18 road tyres. 14 inches - 10 tyres. It sounds like you are legal, despite the police not being on the same page. Look at the tyre size on your placard and you can go 50mm above that in WA. Get recommended upgrade/replacement tire sizes, with adjustable difference variables (rim size diff./section width diff./circumference diff.) You may also need to consider a wheel alignment service. I currently have a 3 lift with 35 tyres on a dealership purchased 2013 XLT Ranger, Ive been looking at the engineering list and sent out a few emails but noone has actually been able to put into steps just exactly needs to be done so I can avoid getting stickered. Discover our interest free finance options. This site is protected by reCAPTCHA and the Google Privacy Policy I'm in NSW the anal state . NSW In NSW you are allowed to fit wheels that are up to 26mm wider than the manufacturer's specified wheels without needing to notify the Roads and Traffic Authority (RTA). Simply pay in instalments. Australian law states that if your tread falls below 1.5mm or your treadwear indicators make contact with the road surface, your tyre is classed as unroadworthy. Do the same for another set you want to compare them with. You can use it for a wide variety of tyres including street, racetrack, trailer, spare, off-road and even extreme mud-terrain tyres. Nicely written article Aaron, cheers buddy. So its a fake 44! Example not requiring certification: Fitting a replacement fuel tank of equal capacity using the original manufacturers mounting points. Join Date: Feb 2004. Tyre tread also helps to: Drain water so your tyre stays dry to avoid any accidents. If I do not have engineering approval, will the police give me a yellow sticker? Reply Australia; RG.I [2012 . Ive written a very, very simple guide that explains it all: Towing capacity; a simple guide to keep you legal. Had the same problem when getting tyres for the Troopy. This is a compliance notice which can only be removed by a qualified vehicle examiner once the vehicle is brought back to roadworthy standards. Dec 16, 2016 #1 I found this from Mr 4x4 in my inbox this morning. It's NSW reg'd and passed rego inspection just two days ago. Great to hear your engineering was so cheap. In Western Australia rims cant exceed the manufacturers specifications by more than 25mm, or one inch. However, theres always the slim chance that it doesnt go through and you could be in for a world of pain. Driving frequently with excess weight Under South Australian laws, wheel spacers are not permitted between the hub and wheel unless originally fitted by the manufacturer. You will find that theres no benefit going too wide though, and it will increase the chance of it scrubbing. An interesting write up. Do electric vehicles really need specialty tyres? Rest assured, our staff have the experience and the know-how to find the right match for whatever fitment you are looking for. They need to make things standardized across the country, and get the police on the same page. The overall diameter of the wheel and tyre combination cant be more or less than 15mm larger or smaller than specified on the manufacturers tyre placard. I want to increase to either a 265/75/16 (803.9mm) or a bigger 275/70/17 (816.8mm). As with some other jurisdictions, you cant increase or decrease the diameter of the wheel by more than 50mm. Ensure tyres have adequate tread depth. Can you travel Australia on $800 per week. For more tyreand wheel information check this PDF. For example, if you go from 33 tyres to 35 tyres, although they are 2 inches bigger, you only raise the vehicle 1 inch the radius change. Cop at an rbt chatted me about the 285/75r16 tyres that have been on the 80's wheels for the last 7 yrs. Regularly get your tyres rotated to ensure even tread wear. Divide this by 25.4 to get inch equivalent. The sidewall height is a percentage of the width of the tyre. Rim is 8 mm closer to suspension components. Its pretty common to see big 4WDs driven daily on the road. The only other solution is you reduce the modifications done to the vehicle so it complies without the need of engineering. Its a total joke, and is causing a lot of dramas. I think the tyre size thingy applies to the biggest tyres fitted to the model. With Tyrepower Car manufacturers are lowering the category for the mainstream and to cover 24 versions. For a lot of four wheel drives, 31 inch are standard tyres, so 33 inch tyres are the biggest you can legally fit (or 285s from 265s). The chosen wheel will determine the real tire size when the tire is fitted on the wheel. For more tyreand wheel information check this transport.qld. This includes not showing signs of chunking (where chunks of tread break away), or separation from the tyre carcass. Cheers. A long-lasting summer tyre designed for vans and other people movers. When it comes to these results, it is recommended that you only use options within 1.5% and -2%. When going to a larger tyre size or dropping down to a lower tyre size on a set of alloy wheels it is important to make sure your vehicles rolling circumference remains the same or as close to the original rolling circumference as is possible. Tire Size Calculator is an app that gives you concise info and intuitive interactive ways to help you: 1. New Size. Wheel Fitment API ; . When your tyre tread wears down and becomes flush with these indicators, your tyre has reached the limit of its safety. 8. Simply pay in instalments. Tire Deals/Promos Readers Rides Contact. Good to know. Cheers mate. NO need to pay twice for the same app! experience with the Tyre Size Calculator, I doubt you will get a vehicle with such a big lift engineered in WA, but you could try.