They are often suitable for higher speeds than other farm trailer tractor tyres. F2 - Tractor front tyres commonly with a 3-rib pattern, but also available in 4 or 5 rib version, that are used on the front axle of two-wheel-drive tractors and on some agricultural implements. 30″ Rows use sizes 420/80R46 & 480/80R42; 38″ Rows use sizes 520/85R38; Broad Acre or Flotation uses sizes 650/65R38 & 800/65R32. Flotation Implement - Like an R4 pattern but typically built to minimise soil disturbance and to carry high loads at low pressures. You may have noticed that tractor tires are marked differently from the tires on your car or truck. Tirerack.com: Measuring Non-Tractor Tires. This guide aims to help you understand your tractor tyre's size, tread pattern, load carrying capacity and maximum speed. They offer high flotation and load capacity at lower pressures and make for a good all-round tyre. You can replace tractor tyres with different size as long as the rim is the correct size. It is ideal for traction in field work. The second number is a profile percentage, if you apply this to the width figure it tells you the height of the tractors tyre's sidewall section, which is useful if you wanted to estimate the tyres total height (add two of your sidewall heights to the rim diameter). Simply put, it is made up of a series of numbers. She has a bachelor's degree in creative writing and environmental studies. The most common tyre size in the UK is 205/55R16 but there are many variations so it’s important to check your existing tyre or to check your vehicle handbook to ensure the right tyre size has been installed. A 260x85 tyre would be 260mm high and 85mm wide. 11x4.00-4 Tyres, 13x5.00-6 Tyres, 15x6.00-6 Tyres, 16x6.50-8 Tyres, 18x8.50-8 Tyres, 20x8.00-8 Tyres, 20x10.00-8 Tyres, and 20x10.00-10 Tyres. The number given in your tyre size is not the exact width of your tyre, but more the standard width a tyre should be according to the European Tyre & Rim Technical Organisation (E.T.R.T.O) for that tyre size. In the article about agricultural SFT tyres, the record holder of the Mitas brand is the size 710 / 75R42 SFT with an outer diameter of 2171 mm. To accept cookies from this site, please click Accept. 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. Determine the size if there are two numbers. It is also known as "Rice & Cane", "Paddle" or "Spade" tyre pattern. Determine the size when there are three numbers. As we are currently working with agricutlural tractor and machniery dealers we often have take off or demount Michelin tractor tryes available at … “The only exception to fitting a lower speed rating to a vehicle is when you come to fit winter tyres to your vehicle – as long as you don’t exceed the tyres maximum speed limit.” For example, if the sidewall reads "11.2-24" or "11.2/24" it means that your tire has a width of 11.2 inches and the diameter of the rim is 24 inches. Traction Implement - Like an R1 or R4 tractor tyre pattern but designed for use on the drive wheels of agricultural and industrial implements. Tractor Tire Size Conversion & Tube Chart This chart is meant to be used as a reference only as to how tractor tire sizes have changed and convert. Count how many numbers are on the sidewall. The first value (in this example, 205) is the tyre width in millimeters. These alternate width/profile options work to ensure your tyres overall height remains constant (within tolerances) to ensure your tractors gearing ratios or transmission won't be affected by the change if you have a 4WD machine. They are popular in all countries and primarily in Agriculture rich nations. R2 - The R2 pattern has a very deep tread and is designed for extremely wet or sticky soil. Use the table below to help you find radial tire size equivalents and metric conversions. These tyres are often available with notches or lugs in the outer ribs to improve grip and self-cleaning. Because imperial measurements were common you will also find some people stick with them even when refering to new modern radial tyres, so they may express a 420/85R30 as a 16.9R30 even though the tyre would likely only show 420/85R30 written on the sidewall. If there are 2 numbers, they tell you the width of the tyre and then the diameter of the rim (both in inches). 18.4r38 michelin agbib tractor tyres,these tyres have about 5mm of tread , one has 6 small gaiters fitted to the sidewall where the inner lining has started to crack ,they are ideal for duallwheels or light farm work priced each. They are still used as they are often cheaper to produce and can also provide a firmer ride which is a benefit for some applications like on scissor lift platforms. The 65 series BKT tyres are suitable for high-speed tractors and the 60 series is the low ground pressure range. This has been shown to be the most workable in a … Long lasting, puncture-resistant tractor front tyre for extra mileage and trouble-free service. The letters and numbers after that tell us the maximum speed that the tractor tyre is designed to run at, and again the table below show you what the varying letters mean. Speedy next-working-day delivery and expert advice. The first number in the sequence is the tyre’s width measured in millimetres, so in this example we can tell that the tyre is 195mm wide - a common width for superminis and smaller family cars. With these older markings it is generally assumed that the profile percentage is 85%. The basic functions of different tyre types are listed below: The last number is still the rim size. The second value (55) is the tyre profile in percentage. For example: between 18–622 and 25–622 there are tyres of 19, 20, 22 and 23mm section. The last number is the rim diameter in inches (the hole in the centre of the tyre). Turf & grass tyres for ride on lawn mowers and garden tractors. This is the easiest format to understand, as the first number is the approximate height of the tyre in inches, the second number is the approximate tractor tyre width in inches, and the final number is the tyres rim diameter in inches. Function of Tractor Tires. 18.4r38michelin tractor tyres - SOLD. Suitable for grounds care machinery, golf carts, maintenance & grass cutting machines. Find your store Browse all tyres Find your Motorsport Dealer Tyre Safety Tips Viper Stryke Tyre Recall Cobra Chrome 240/50R16 Tyre Recall Отзыв шин Cobra Chrome Improper Use on Caravans and Motorhomes Contact Tire sizes are defined by specifications such as the type, width, aspect ratio, speed rating, tire construction type, and service description. For each tyre size you input our tyre calculator suggests multiple tyre sizes that are with in one inch bigger and smaller of the entered tyre size. 02.03.2019 Preventative Tire Maintenance to reduce downtime. Metric Tractor Tyre Sizes - 420/85R28, 460/70R26, 540/65R38 Most modern radial tractor tyres are marked up with metric sizes such as 420/85R28, 460/70R26, 540/65R38. Most modern radial tractor tyres are marked up with metric sizes such as 420/85R28, 460/70R26, 540/65R38. Let’s use 205/55 R16 as an example. Determine the size when there are three numbers. The first number is the width of the tire in inches, and the second is the diameter of the rim in inches. Tractor Tires by Size. “The only exception to fitting a lower speed rating to a vehicle is when you come to fit winter tyres to your vehicle – as long as you don’t exceed the tyres maximum speed limit.” 2 size(s) available View Tyre Details Most classic tractors use the older crossply type tractor tyres. Older tyres don't have these markings but may have a Ply Rating on the tyre. Buy Tractor Tire Chains; Buy Lawn Tractor Chains ... News and Expert Tips; About; Contact; Select Page. The ply rating is a reference to tyres carrying capacity, and you should look for the same ply rating when replacing your tractor tyres. The “14.9” means the tire is 14.9 inches wide and the “42” tells us th… Radial tractor tyres have many benefits over the older crossply versions, as they are designed to flex more and dissipate heat better. Copyright 2021 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. For example, if the sidewall reads "11.2-24" or "11.2/24" it means that your tire has a width of 11.2 inches and the diameter of the rim is 24 inches. This code specifies the dimensions of the tire, and some of its key limitations, such as load-bearing ability, and maximum speed. Tyre Size - The tyre size is easy to read, once you know how. RCI Chart. The table below can be used to look up what that first number means in Kilograms. If your tire reads "15/6.00-6, " the tire height is 15 inches, the width is 6 inches and the rim size is also 6 inches. Michelin Tractor Tyres. Starting in 1972 tires were specified by load rating, using a letter code. Difference between 3.50-18 & 11090-18 tires. The first number is the width of the tire in inches, and the second is the diameter of the rim in inches. Mitas EM tyres designed for excavators, loaders and other construction equipment have universal use and can therefore also be used for agricultural machinery. Count how many numbers are on the sidewall. on the tyre side wall. The letter 'R' informs us its of Radial construction (not the older crossply construction). As a long standing supplier of Michelin Tractor tyres we have access to all Michelin Agricultural Tyres at the best prices. This number refers to the overall diameter of the tire or the tire height. Writings by Finch have appeared in the Western Herald, the Sturgis Journal and eHow.com. 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 tire size can be composed with two sets of numbers, for example: 6.50-16, 12.4-24 or 18.4-38 1. number 6.50 -16 is the width in inches 2. number 6.50- 16 is the diameter of the rim. 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. What Does the 96Y Represent in the Following Tire Size: 245/40R19 96Y? Buy mower tyres only. The higher speed limit applies to tractors that have (among other requirements) all-wheel suspension, braking efficiency of 50%, pneumatic tyres, a speedometer and a horn. UK based with huge selection of tractor tyres. Your tyre size can be found on the sidewall of your current tyre and is a sequence of numbers and letters. Look on the sidewall of the tractor tire. Below is an example of an RCI Chart from Goodyear Titan: Goodyear Titan Ag Tire RCI Chart *Please note manufacturer RCI Charts only contain tires sizes produced by that specific manufacturer. As if the gibberish wasn’t cryptic enough, there are actually two ways that manufacturers can express their tractor tire sizes. A tyre size conversion calculator or tyre diameter calculator are the best ways to get the answers you are looking for. With the older imperial markings it is generally assumed that the profile percentage is 85%, so use that if you want to keep the tractor tyres width and height the same as the current crossply size (ie.16.9-38 = 420/85R38).. It is also referred to as a tractive tractor pattern. Online store specialising in tractor tyres and inner tubes. We have tyre options to suit the smaller, lower horsepower tractors right the way up to the larger, high-powered tractors. Use the table below to quickly convert your older imperial crossply markings into their newer metric radial marking. There are a series of numbers on it. There are two organizations, Tire and Rim Association (TRA), and European Tyre and Rim Technical Organisation (ETRTO), that influence tire standards. Buy Rear Tractor Tire Tubes; Buy Front & Implement Tubes; Buy Lawn Tractor Tubes; Chains. It's the size of the rims that are the important thing when replacing them. R3 - This is the non-marking grassland turf pattern often made of diamond shaped block lugs that are shallow and non-aggressive so as not to leave a mark on the ground. In addition, we also have a wide choice of vintage tyres. The first number in our lawn tractor tire size is 15. Learn more. Tractor Tire Sizes Explained. Tyres can make a critical difference to in-field performance as well as soil health, but not all tyres are the same. Product Code: sh18.438mich10. In addition, we also have a wide choice of vintage tyres. 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