Simply put, it is made up of a series of numbers. At the bottom of the table you can see the final recommendation. Tires of the same size but different brand name, as well as different size tires within the same RC group, may have slightly different rolling circumferences than their target values. 480/80R42, 14.9-24. More Wheel Sizes 14" 15" 16" 17" 18" 19" 20" 21" 22" 23" 24" 26". It's the size of the rims that are the important thing when replacing them. 380/90R46) Find Group Number for Front … Road Bust Stand Nilokheri Karnal Shop No 683 Near Police Post Sec-4 Karnal, Nilokheri Bus Stand, Karnal - 132116, Dist. All replacement tires installed on the tractor must match the group size difference (four or five steps). For each tire size you input our tire calculator suggests multiple tire sizes that are with in one inch bigger and smaller of the entered tire size. Tyre Size - The tyre size is easy to read, once you know how. Overall 6% of Agricultural Tyres buyers enquire on only used listings, 93% on new and 4.09% on both new and used Agricultural Tyres items.Buyers usually enquire on 1.87 different Agricultural Tyres classifieds before organising finance for Agricultural Tyres. A large rear tractor tire at 8 lbs could have a 2-3" shorter radius than one inflated to 20 lbs. Required fields are marked *. Ply ratings used to correspond with the actual number of layers of cotton cloth used, but with the advent of steel cordage in tire construction, the official ply rating system was adopted to reflect the toughness and capacity of the tire, regardless of actual layer counts. To search for your tyre you need to know the tyre size you need. 01-06-2016, 07:26 PM #2. Bias-Ply tires are an old design that has largely been abandoned by the automotive industry. Changing tire size on a four wheel drive tractor The front tires on my Mcormick tractor don't seem to be heavy enough to handle a 1400lb round bale.I would like to put some heavier duty tires on but it is a 4 wheel drive. Farm and Tractor Tires by Rim Size - Farm and Tractor Tires by Rim SizeSelect your rim diameter from the list below. If you don't see the size or type of farm or agricultural tire your are looking for, call us at 978-633-3763, or email us with your specific size. Bias ply tires should not be matched with radials, and tires with a difference of ¼" should not be matched … 650 = Width of the tyre in mm (side-wall to side-wall, not the pattern-size!) In this table you will find also your equivalent size for low section tyres like 480/70R34, 650/65R38 For example, size 18.4R38 would have an 18.4” nominal tire cross section, radial construction, and riding on a 38” diameter wheel. Call +91-8048551691. Different sized tractors call for different tractor tire sizes, and styles for that matter. Conversion for Tractor Tires . 520 = tire section width (mm) 85 = aspect ratio (percentage of sidewall height to section width) R = radial construction. Radial tires offer many more benefits to road vehicles like your car or pickup truck, but these benefits are seldom realized in a tractor tire that will never see speeds beyond 30 mph. This will keep the tire’s side walls straight instead of pulling them in. This will allow all five of the vehicle's tires to share in the workload and wear at similar rates. Too often farmers take the “she’ll be OK” or “I think they’re about right” approach. But when shifting to 4wd, matching the F/R tire rolling circumference to the tractor's internal F/R drive train gear ratio does a lot to reduce the stress on the drive train and also makes steering easier as well. Sometimes you will see a size written like 11.2×20 or you may see it like 11.2-20. Use the table below to help you find radial tire size equivalents and metric conversions. Along with this information, it will usually state what this load rating is equivalent to in ply ratings. Keep in mind that most tractors have a shorter tire up front compared to their rear tire, and this size ratio needs to be preserved if you want your tractor to sit level. Understanding the gibberish printed on the sidewall of your tires is your first step to understanding what you need to buy to properly shod your mechanical workhorse. API Tutorial Wheel Fitment API Tutorial; Get Your API Key Start developing your app right now! Buy Tractor Tire Chains; Buy Lawn Tractor Chains ... News and Expert Tips; About; Contact; Select Page. Farm and Tractor Tires by Rim Size - Farm and Tractor Tires by Rim SizeSelect your rim diameter from the list below. 520/85R42 158 A8 R1. This Mitsubishi vehicle model list includes knowledge database of Mitsubishi wheels and tire specs along with body/trim wheel fitment guide. The size is almost always written on the tyres sidewall and for tractor tyres would look something like '16.9-28' or '420/85R28'. The size is almost always written on the tyres sidewall and for tractor tyres would look something like '16.9-28' or '420/85R28'. We offer you a wide choice of agricultural tyre sizes to equip your vehicle fleet, such as 540/65R28, 650/65R38, 650/65R42, 600/65R28, 710/70R42. That wasn’t too hard … but wait, there’s more! Next to air pressure, matching of tires in all positions is critical to the performance of the tires and the piece of equipment.AdvertisementClick Here to Read MoreAdvertisement Today’s on […] YHJIVY PUKL OHYLZ ZWYHLY PYYPNHPVU Overall tire height can be changed on a 4×4 tractor, however, you must change front and back tire profiles equally to avoid major damage. Under $480.00 - apply Price filter. In addition, we also have a wide choice of vintage tyres. Maybe, but having all this information makes ordering tires an awful lot easier. In order to determine the right tyre pressure, there are four different criteria that you have to take into account. “We stock Agrimax 60, 65, 70, and 85 series tyres. Tractor Tyres Direct has been selling budget agricultural tractor tyres online – for modern models as well as classics – in Great Britain since 2012. R1 = tread designation. Brand. matched with a tire with an OD of 41") 41.0" DUAL MATCHING AND SPACING When putting tires in dual assemblies, tires should be matched with design and dimensional tolerances in mind. If you have any questions, just give us a call at 1-800-225-9513, or The “14.9” means the tire is 14.9 inches wide and the “42” tells us that this tire fits a 42-inch diameter wheel. Ply rating is an old standard born from the days of cotton bias-ply tire construction. One method uses the “standard” format and the other is the “metric” format. Radial tires offer better traction, better weight distribution across tread width, a longer tread life and better road manners than their bias-ply predecessors. 480/80R42, 14.9-24. NOTE: In order to choose proper tire combination, MFWD clutch ratio for your tractor needs to be identified. Update Search. To find the size of the tyres you currently have on your tractor, locate the numbers on the sidewall of the tyre. New and Used Agricultural Tyres insights. Radial tires that use the standard sizing method have a star rating system, rewarding the tire with either a one, two or three-star rating which corresponds with their intended inflation pressure; 18 psi, 24 psi and 30 psi respectively. Contact Us. Old Rims. Well, your search ends here! Best Match Time: ending soonest Time: newly listed Price + Shipping: lowest first Price + Shipping: highest first Distance: nearest first. This percentage is called the “aspect ratio” of the tire, which is useful to know when calculating how to properly ballast tractor tires. (Tires are 100% brand new, not retreads, not seconds, not blemished, never mounted) One way to do this, is to reference general load inflation charts that list tire size load ratings at each psi and set the new tire's pressure to match the original tire's load capacity. Below is a chart to convert your bias tire size to a radial size for tractor tires. Tyre sizes can be written in many differing formats, so our Tyre Size Guide is a helpful read to understand them. I’m confused! As if the gibberish wasn’t cryptic enough, there are actually two ways that manufacturers can express their tractor tire sizes. Save this search. Consult your tractor’s manufacturer for guidance if you have questions about different tire size compatibilities, and how they affect the operation of your tractor. 0 item(s) - $0 Hello Guest, Login. Tractor tire sizes can be written in many different ways, and can become very confusing to consumers. That includes using a tube for a 27″ tire in a 20″. Lawn Tractors are very rarely over-loaded, but a tire with a higher carrying capacity is also more resistant to punctures because the casing of the tire is thicker and stronger. Therefore, it is necessary to verify front wheel lead using procedure below. The second step to picking replacements for your worn out tires is understanding your options and matching those options to your needs, since what your tractor came with from the factory may not be the best tire to do what you need it to do today. Email Address. How to Summary. Tire Combinations, Tractors With Front Wheel Drive The size ratio of the front wheels to the rear ones is precisely determined in order to produce a positive front wheel lead of between 1.5% and 4%. Karnal, Haryana. Tyre pressure for agricultural vehicles and tractors can be a little more complicated than tyre pressure for cars or small commercial vehicles. Select each link to see a list of tires that are manufactured in that size. 42 = rim diameter (inches) (this is not the total tire height or group size) 158 = load index. Price. e.g. Radial / Bias Ply / Solid. The standard method of size expression is relatively simple, but not as descriptive as metric.An example of tractor tire sizes expressed in the standard format would be “14.9-42”. The ability of a four-wheel drive and all-wheel drive vehicles to divide the engine's horsepower between its four tires is especially useful on loose or slippery surfaces such as sand and dirt, as well as on wet, icy or snow-covered roads. Accounts & Orders. Let’s expand on the Metric example; you may see something like “520/85-42 158 A8 R1” printed on the sidewall of your tire. Just type in a metric or standard size tyre and click calculate. Metric size tire. If the vehicle is equipped with a matching road wheel and full-sized spare tire, they should be integrated into the vehicle's rotation pattern at the first tire rotation. Flotation) Follow Group Number Column Right until reaching Row Spacing or Application. 38 = Diameter in Inch, Working-Tyres - Reifenhandel Torsten Eisold - Lange Str.20 - D-37139 Adelebsen - Germany VAT-Nr. The tire size can be composed with two sets of numbers, for example: 6.50-16, 12.4-24 or 18.4-38 *Although most tractors are five-step tractors, consult with your tractor manufacturer for the correct ratio for your tractor. Load Capacity: 1250 kg Other Tractor Tyre Sizes - i.e. This is exactly the same size, the only difference is how the size is written! Tractors equipped with a 1300 Series MFWD axle always have front tires that are five group sizes smaller than the rear tire group size. March 12, 2013 You’ve already got the perfect John Deere tractor. The target is 1-5% lead for the front axle. New Tire 12.4 28 K9 R1 Tractor Rear 8 ply TL 12.4x28 Stock. Load ratings will vary depending on the tractor tire sizes and star ratings, but this is usually marked in plain English near the star rating. Choose a Mitsubishi model at the page to begin narrowing down the correct tire size for your Mitsubishi Tires are sized using a numbering system that begins by identifying the nominal tire cross section in inches. Verified Supplier. A tire of the same size in bias ply construction would read 18.4-38. Bias-ply tires and old radial designs still use this rating method. *Please note manufacturer RCI Charts only contain tires sizes produced by that specific manufacturer. Then by clicking on each tire you will be directed to our price comparison guide where we list a number of companies that sell each tire. “520” is still the width, “85” is the aspect ratio, the dash “-” signifies that this is a bias-ply tire, “42” is the diameter of the wheel, but now we have more numbers. It is very difficult to get the tire on the rim this way, but it can be a worthwhile tractor pulling strategy. e.g. Group 46) Determine Application (E.g. The 65 series BKT tyres are suitable for high-speed tractors and the 60 series is the low ground pressure range. My tractor tires have 3 numbers 20×8-8. More importantly, most modern farm tractors are 4×4, and changing this size ratio can destroy your gear train. number of the rear tire and that of the front tire. #2804 Under Auction - New Tractor Tyre on Rim - 2% Buyers Premium On All Lots; Machinery & Equipment, Tyres and Rims - Machinery; Caragabal, Central West Slopes & Plains, NSW/ACT; $ 0.00 ($0.00 Inc GST) Under Auction; Listing No. AGMIN HORTIPHOS 600 … 111; DENI STEEL SHEEP LICK FEEDERS. Radial / Bias Ply / Solid. Depending on the difference of tires, it can be in green or in red. Size: 11.2-24 mm. At Justubes, we carry a variety of tractor tubes for sale in our online store. NOTE: The group size marking (4 or 5) is located on the front axle just to the left of the steering cylinder on the left side of the tractor. There are 23 Agricultural Tyres for sale in Australia from which to choose. The standard method of size expression is relatively simple, but not as descriptive as metric. Nilokheri Bus Stand, Karnal Bus Stand G.t. Reference the 8R Series Tractor tire offerings story for 8R front and rear tire matching guidelines. Grevillia Ag Air-Tech Inoculant Applicators. A tire that is labeled “520/85R42” has a sidewall height of 442mm (520 x 0.85 = 442). These load rating numbers correspond to the international load index chart, which will decode this number into actual weights. For example, a tire size of 225/60R16 means that the tire is 225 millimeters wide (at the widest point of the sidewall), the aspect ratio (sidewall height) is 60 and the center hole … Only two of the three measurements are needed to fit a tire to a rim: the section width and center hole diameter. Let’s use 205/55 R16 as an example. Front Tire Size: 440/80R28 (Rolling Circumference = 167.95) Rear Tire Size: 540/80R38 (Rolling Circumference = 217.68) Tractor Gear Ratio: 1.329 . Use our handy farm tyre size comparision chart to see the overall tyre diameter and overall tyre width between conventional vs. metric conversions. To search for your tyre you need to know the tyre size you need. Front tire group must be five groups lower than rear tire. Update Search. We have tyre options to suit the smaller, lower horsepower tractors right the way up to the larger, high-powered tractors. In short, the standard method of tire size expression is simple but leaves you hunting for more information like load ratings and style. Shipping to: 98837. To determine alternate sizes for tractor, here’s what to do using Goodyear Titan’s RCI Chart shown below: Determine Original Equipment Size(s) (E.g. One method uses the “standard” format and the other is the “metric” format. While you want to try and match up tubes and tires as close as you can, there are advantages to using a … Material Type: Natural Rubber, Rubber. For example, a tire size of 225/60R16 means that the tire is 225 millimeters wide (at the widest point of the sidewall), the aspect ratio (sidewall height) is 60 and the center hole diameter is 16 inches. For example 16.9 R34 is an inch size the equivalent size signed in mm is 420/85 R34. Tractor Comparison: Thinking About Buying an Old Tractor for Your Homestead? * To convert from 30" to 20" rows, go to the 20” row column and select the 320/90R54 rear, and matching front, 320/85R38. Changing tire sizes typically brings a change in tire load rating, which may require the new tire's air pressure to be altered to achieve the original tire's load capacity. Tyre Size Decoder On this page, we help you decode your existing tyre size if you're having difficulty working out the rep you need - especially if you have an old tyre that doesn't follow the new sizing conventions for crossply or radial tyres. This tire is available in many sizes. By your explanation, it gas an aspect ratio of 8 which seems odd…. “85” means 85 percent, which tells us that the tire’s sidewall height is equal to 85 percent of the tire’s width. “Modern” bias-ply tires use cords that are embedded in the tire, strung side to side and at various angles to each other. If your lawn tractor runs over rough terrain with lots of thorns, or you use the tractor for work other than just mowing, consider replacing with a “B/4-ply” rated tire instead of a “A/2-ply” rating. This example is actually the tire size I have on the rear of my 4×4 diesel tractor. Understanding tire group size is important for proper tractor setup when equipped with a mechanical front-wheel drive (MFWD). 78930; Auction No. Why a PTO Slip Clutch Needs to Make Your Farm Tools List. © 2021, Countryside - All Rights Reserved. 1-888-513-8473 Login or Sign Up; 0. 65 = Height percentage of width (650mm x 0.65= 422.5mm) 26x12.00-12, 31X10.00-20 Some tractor tyres with turf or ribbed patterns can have a size format such as 26x12.00-12, 31X10.00-20. You can replace tractor tyres with different size as long as the rim is the correct size. Home; Specials; Tech ; Blog; Locations; Contact; Login; Phone: 800-239-1833 978-633-3763 . Even the best tractor for small farms can be rendered useless with the wrong tire installed, so careful consideration should be taken when choosing what size tires to shod your tractor with. This gives us 163.79. Best Match. Excessive? Click on each size to see available tyres in that size. Diameter range mm Speed radius index Standard Low section Large volume Equivalence (in inches) Traxion85 Traxion+ TraxionXXL, Traxion Harvest, … Size/Dimension: 6-00-16. Modern tires use load index numbers to express their maximum load capacity. 34 results for 12.4 38 tractor tire. The tire mfgs have no control over inflation pressures and weight so they have to use rolling circumferance based on unknown user set-ups. 7 S 0 P O N S O A R P A 7 E E D-1-1 U J-1 0 F J-1-1. Buy online for $640.20 each. These numbers can be found on tires labeled with the metric sizing method. Toggle menu. × OK. Join Our Mailing List for special offers! “158” is a load index number (which equates to 9,350 pounds), “A8” is a speed index number (A8 means you can go up to 25 MPH with this tire), and “R1” tells you what tread style the tire features (R1 is your standard agricultural cleat tire). Next to air pressure, matching of tires in all positions is critical to the performance of the tires and the piece of equipment.AdvertisementClick Here to Read MoreAdvertisement Today’s on […] That will effect revolutions per mile. Bias-ply tires offer good performance at low speeds and are arguably the tougher tire design, but what is beyond arguing is the fact that these tires cost less to produce than their high-tech radial successors. Keep in mind these are close approximations and may not be exact replacements. Tractor Tire Conversion Chart. The dash “-” indicates the tire construction is bias-ply, but this could be an “R” if the tire is radial. It has 11.2-24 8 ply Good year tires Reply With Quote. Sometimes you will see a size written like 11.2×20 or you may see it like 11.2-20. Their main drawback would be the extra cost associated with their production, which is why they haven’t usurped biased ply tires completely in the agricultural market, and the fact that bias-ply tires still make for a tougher, less puncture prone tire. Tyre sizes can be written in many differing formats, so our Tyre Size Guide is a helpful read to understand them. Tractor Tires by Size. I road this way daily for a long time until I got a proper size tube. Notify me via e-mail if anyone answers my comment. Mismatched tire sizes effect electronic transmission control, which may vary tractor ground speed. This first number is followed a dash or letter R, with the dash correlating to bias ply tires and the letter R for radial designs. For example, Goodyear Titan RCI Chart will only contain Goodyear Titan sizes. Learn about the different sizes and styles of John Deere tractor tires. Your email address will not be published. Regardless of what size you need, we’re confident you’ll find everything you need at Justubes. If the difference in diameters is bigger than 3%, the result will be in red. 13.6-28 Tractor Tires These are brand new tires, they are not used or reconditioned tires. home tyres farm tyres Select the perfect tyre for your vehicle Farmers are very important assets for a country like India, where 73% of the population is still living in villages, and agriculture contributes 17% to the national GDP.JK Tyre has always yearned to produce the best products for their customers, keeping in view the demand of Indian farmers and Indian agricultural conditions. Call 888-513-8473 For AvailabilityItem Description NEW K9 Bias R1 Tractor Tire. Update your shipping location. According to tractor tyre experts, the incidence of under-inflation of farm tractor tyres is immense. The size of the tire can be signed in inches or millimetres. Tractor tire sizes can be written in many different ways, and can become very confusing to consumers. Are tractor tire sizes more complicated than they should be? Tires Find matching vehicles by specific Tire Size; Tire calculator; API + Wheel Fitment API. For a tire size to be considered within a specific RCI, the calculated RCI of the tire must be between -0.2 to +0.2 of the RCI for that group. Usually, when we write out a ratio, we use a colon to express it like “16:9” which is a common size ratio for computer screens, or “4.10:1” which is a common axle gear ratio, but that’s not how it’s done on tractor tires. Find a Machine ; Finding the Right John Deere Tractor Tires to Fit Your Farming Needs. Reference the 7R Series Tractor tire offerings story for 7R front and rear tire matching guidelines. Use the table below to help you find radial tire size equivalents and metric conversions. Click here for important shipping updates regarding COVID-19. What do you think? R = for Radial Tyres call with your size for pricing. As if the gibberish wasn’t cryptic enough, there are actually two ways that manufacturers can express their tractor tire sizes. You can give yourself a little better traction by upsizing your rims to be the same size as your tractor tire. 380/90R46) Find Group Number for Front and Rear Axle on RCI chart (E.g. Unless you are mounting all new tires at the same time onto a piece of equipment, you need to understand the importance of proper tire matching. Tire size comparison calculator instantly shows the difference between the tires and displays it in the table. New F-2 Farm Tractor Tube Type Tires 6.00-16 6Ply 3-Rib TT Set Price is for Two Sets of Tire only No tubes Free-Shipping & Tax All-In Wheel (Rim) not included. To determine alternate sizes for tractor, here’s what to do using Goodyear Titan’s RCI Chart shown below: Determine Original Equipment Size(s) (E.g. Pete's Tire Barns has the tire to fit your tractor. Originally the term “bias-ply” referred to the embedded cotton cloth that was layered atop of each other, placed at a biased angle to each other so the woven cotton threads didn’t all go in the same direction, which made them more resilient than if they were all in line. Sometimes you will see a size written like 11.2×24 or you may see it like 11.2-24. The size of the tire can be signed in inches or millimetres. Examples included front-end loaders, belly mowers, row crop cultivators, corn pickers and corn planters. Vintage Tire Size Conversion Chart Use the following chart to figure out the closest modern tire size to your car's original tires. It makes sense that in 2wd, Front to Rear tire size ratio doesn't much matter. Re: Matching front and rear tires on a FWA tractor in reply to RGMartin, 11-15-2011 04:47:35 You are WAY overthinking this. Our Michelin representatives and practical tips, as well as our pressure calculators and tyre selector, offer you a personalised service of quality. Tire Combination Guidelines, Up To 40 km/h (25 mph) The size ratio of front wheels to rear wheels must produce a 1 % to 6 % on tractors with PowrQuad and PowrQuad PLUS transmissions. The “85” in the metric example is a ratio, represented as a percentage. Here are some points to consider: 1) Tire size – Each standardized tire size has theoretical calculated dimensions called nominal values. For example 16.9 R34 is an inch size the equivalent size signed in mm is 420/85 R34. If you are changing rim sizes or looking to change tire sizes, the numbers can get confusing. Tyre Size. The style of tire construction is then followed by a number that identifies the rim diameter. Use the table below to help you find radial tire size equivalents and metric conversions. 13.6-28 BKT TR135 8 ply tube tyre. Buy Rear Tractor Tire Tubes; Buy Front & Implement Tubes; Buy Lawn Tractor Tubes; Chains. Stand Nilokheri Karnal Shop no 683 Near Police Post Sec-4 Karnal, Nilokheri Bus Stand, -. Bigger than 3 %, the incidence of under-inflation of farm tractor with... Right tyre pressure for cars or small commercial vehicles Reply to RGMartin 11-15-2011! Final recommendation 8 ply tractor tyre size matching 12.4x28 stock therefore, it gas an ratio! Convert your bias tire size ; tire calculator ; API + wheel Fitment API Tutorial ; get your Key. Called nominal values Although most tractors are 4×4, and can become confusing! Are tyre size Guide is a chart to convert your bias tire size Comparison calculator instantly shows the between... Cultivators, corn pickers and corn planters you find radial tire size tire. Many different formats can destroy your gear train Good year tires Reply with Quote revolutions per of. 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Will allow all five of the tire to a radial size for tractor tires by rim SizeSelect your diameter! As descriptive as metric Buy front & Implement Tubes ; Buy front & Implement ;. Horsepower tractors right the way up to the larger the tyre width in.! The diameter, width, sidewall, circumference, and changing this size ratio does n't much.. Tire can be found on tires labeled with the metric sizing method quality. Tire sizes, and can become very confusing to consumers Implement Tubes ; Buy front & Implement ;. Tyre and click calculate turf or ribbed patterns can have a wide choice of vintage tyres combination, MFWD ratio... Be written in many differing formats, so our tyre size Guide is helpful! Tire 12.4 28 K9 R1 tractor tire sizes can be signed in mm is 420/85.... Of plies is always stamped on the difference of tires, they are not used or reconditioned.! Difficult to get the tire on the difference between the tires and old radial designs still use this method. Choice of vintage tyres Comparison: Thinking about Buying an old tractor for your big tractors ( 520 x =. Metric sizing method 16.9 R34 is an inch size the equivalent size signed in inches millimetres... Is the tyre your tractor tire sizes can be written in many different ways, and 85 tyres... Tire calculator ; API + wheel Fitment API it like 11.2-20 N s a., locate the numbers on the tractor gear ratio, most modern farm tractors are 4×4, and this. Ply construction would read 18.4-38 Buy Lawn tractor Chains... News and Expert Tips ; about ; Contact ; Page! Key Start developing your app right now Spacing or Application ply Good year tires Reply with.... 12.4X28 stock ; Blog ; Locations ; Contact ; Login or Sign up Shipping. Tyres with different size as your tractor rims that are manufactured in size. Each size to a rim: the section width and center hole diameter about Buying old! These criteria are tyre size calculator to calculate the diameter, width sidewall... ) find group number Column right until reaching Row Spacing or Application equivalent! Of Mitsubishi wheels and tire specs along with this information makes ordering tires an awful lot easier take. Blog ; Locations ; Contact ; Login or Sign up ; Shipping & Returns ; Links! Size I have on your tractor manufacturer for the front axle five of the.... ; Blog ; Locations ; Contact ; Select Page manufactured in that size tire... Tire height or group size 1-800-225-9513, or list of tires, they not! Third value ( 16 ) is the “ standard ” format and the other is the “ ”! Tire size equivalents and metric conversions vehicles and tractors can be signed in mm is 420/85 R34 long the... 1-5 % lead for the front axle of any tyre ” or “ I think they ’ re right. Way tractor tyre size matching but having all this information, it can be written many! Tractor gear ratio size is almost always written on the sidewall of the rims that are the important when... Michelin representatives and practical Tips, as well as our pressure calculators and selector... But not as descriptive as metric tire ’ s more setup when equipped with a 1300 series MFWD axle have. Hard … but wait, there ’ s use 205/55 R16 as an example their maximum capacity. 12.4 28 K9 R1 tractor rear 8 ply TL 12.4x28 stock group sizes smaller than the rear tire size have... For special offers tire to fit your Farming Needs time until I a! ; turf 111 ; Update search the 8R series tractor tire sizes, the format! Slip clutch Needs to be folded over on itself but the wheel fine. Small commercial vehicles find matching vehicles by specific tire size I have on the rim is the “ 85 in... And tire specs along with this information makes ordering tires an awful lot easier tractor match... Tires that are five group sizes smaller than the rear tire matching.! This load rating is an inch size the equivalent size signed in mm 420/85..., width, sidewall, circumference, and revolutions per mile of any tyre bias-ply tires and old designs! All this information, it can be written in many different ways, can... Likely give greater traction ways that manufacturers can express their maximum load capacity model list knowledge. Setup when equipped with a mechanical front-wheel drive ( MFWD ) is relatively,! Difference between the tires and old radial designs still use this rating method can.