sgtjoe Report post Posted October 28, 2019 My MH has always run Michelins, the factory weight shows 100psi, my question is if I switch brands (Hankook or Continental) can I still run the same psi as the Michelins? Or does each manufacture have different psi requirements because the tire size would be different. Only Michelin has 235/80R 22.5 Share this post Link to post Share on other sites
richard5933 Report post Posted October 28, 2019 In the research I've done, it seems to be best practice to use the load & pressure charts supplied by the manufacturer for the tires you're purchasing. They do make changes in these charts from time to time, so it would be good to get the chart from the current tire data book for your tires. Share this post Link to post Share on other sites
desertdeals69 Report post Posted October 28, 2019 You need to weigh your coach. Then look up the correct pressure according to the tire mfg specs. The factory weight is probably not correct. Share this post Link to post Share on other sites
sgtjoe Report post Posted October 28, 2019 So what you folks are saying is that even though I get Continentals or Hankooks almost the same size as my Michelins the required PSI may be more or less?? Share this post Link to post Share on other sites
rossboyer Report post Posted October 29, 2019 Yes. I replaced my Michelins with Firestones. Both J rating, but the Firestones will support more weight at the same pressure. Share this post Link to post Share on other sites
manholt Report post Posted October 29, 2019 If you have not weight your coach, with your current tires, your probably are not running with the correct pressure now! Share this post Link to post Share on other sites
sgtjoe Report post Posted October 29, 2019 Where do I find the different dealers psi rating based on their tire size and my MH weight? Share this post Link to post Share on other sites
rossboyer Report post Posted October 29, 2019 If you cannot search for the tables for the brand of interest to you, go to a large dealer and ask them to get the tables for you. Be armed with the weight (4 corners is best) and the size of your tires. My dealer recommended that I look at Firestones. They download the table. It was easy to compare with the Michelin table I already had. Share this post Link to post Share on other sites
wayne77590 Report post Posted October 29, 2019 The information is on the web. Just search for: "continental tire pressure manual" without the quotes, or for whatever brand you wish to see info on. Continental If they don't list a tire pressure guide, click on the "Contact Us" and call or email them. Share this post Link to post Share on other sites
richard5933 Report post Posted October 29, 2019 Everything you ever wanted to know about Michelin, Firestone, Hankook, and Continental tires. The inflation charts are generally towards the back of the books. Note that the Michelin books show the weights differently in different parts of the books - sometimes it's per wheel, and sometimes it's per axle end. You need to read carefully to be sure you're following the correct chart/line. MICHELIN RV: https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=2ahUKEwi8w52ZkcLlAhWBneAKHY6yArgQFjAAegQIARAC&url=https%3A%2F%2Ftiretraker.com%2Fmichelin.pdf&usg=AOvVaw0mv3AzlIsY4we6qfTQia3K MICHELIN COMMERCIAL: https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=3&ved=2ahUKEwiWs4GWkcLlAhViTd8KHZyEBlQQFjACegQIBxAC&url=https%3A%2F%2Fwww.michelintruck.com%2Fassets%2Fpdf%2FTruck_Tire_Data_Book_Jan2007.pdf&usg=AOvVaw2zTDG0Pmb4VRxyKgcEHb5a FIRESTONE TRUCK & BUS: https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=2ahUKEwji9dupkMLlAhXmguAKHfedBHsQFjAAegQIARAC&url=https%3A%2F%2Fcommercial.firestone.com%2Fcontent%2Fdam%2Fbcs-sites%2Fbridgestone-ex%2Fproducts%2FDatabooks%2FTBR%2FFirestone-TBR-DataBook-08-07-2018.pdf&usg=AOvVaw2Ka8_0ZZfv5yFabxq11F8v HANKOOK TRUCK & BUS: https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=2ahUKEwjKjZnQkMLlAhXySt8KHZOfA1IQFjAAegQIABAC&url=https%3A%2F%2Fwww.hankooktire.com%2Fus%2Ffiles%2Ftire-leaflet%2FHK_TBR_2019_Catalog_3rd_Quarter.pdf&usg=AOvVaw0-kW0Y3OyJHfNgiHCZu48J CONTINENTAL TRUCK & BUS: https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&ved=2ahUKEwiX0KDqkMLlAhXhct8KHYKdCjYQFjABegQIAxAB&url=http%3A%2F%2Fblobs.continental-tires.com%2Fwww8%2Fservlet%2Fblob%2F545220%2Ffe724e72368187b7f28848bd91c2034f%2Fcontinental-data-guide-data.pdf&usg=AOvVaw1MTGmHqCJ4iZ7L_7PCtyTI Share this post Link to post Share on other sites
wolfe10 Report post Posted October 29, 2019 EXCELLENT. Thanks, Richard. Share this post Link to post Share on other sites
wayne77590 Report post Posted October 29, 2019 Yep! It's all on-line. Share this post Link to post Share on other sites
richard5933 Report post Posted October 29, 2019 2 hours ago, wayne77590 said: Yep! It's all on-line. Correct. Google is our friend! Share this post Link to post Share on other sites
manholt Report post Posted October 30, 2019 Yep. The same with BF Goodrich (I have 8), Toyo, Kelly, Goodyear, etc. All good coach tires!! Share this post Link to post Share on other sites
tireman9 Report post Posted November 1, 2019 Basically you will find that for identical size, Load range and wheel rim width all brande are identical except for maybe a handful of Michelin tires being different by about 5 psi. This resulted from a tire that was already in production in Europe (designed completely Metric) then later made available in the US. The Metric to SI units conversion needed rounding which resulted is some tires being different a few psi I have a list of links to tire Load & Inflation tables on my blog that I try and keep up to date. Share this post Link to post Share on other sites
manholt Report post Posted November 1, 2019 Would that be the 365/80's? Share this post Link to post Share on other sites
rayin Report post Posted November 2, 2019 Richard, virtually all such tables are all right here: http://www.rvtiresafety.net/2015/04/links-to-load-inflation-tables.html Share this post Link to post Share on other sites
richard5933 Report post Posted November 2, 2019 9 hours ago, RayIN said: Richard, virtually all such tables are all right here: http://www.rvtiresafety.net/2015/04/links-to-load-inflation-tables.html That is easier, isn't it. Thanks for posting to link to that page. Share this post Link to post Share on other sites
rayin Report post Posted November 2, 2019 An irv2.com member found the Sailun truck tire load/inflation chart. I'm ignorant at adding a link from a file download on my computer to this forum so I emailed it to tireman9 so he may add it to his listing of tire charts. Share this post Link to post Share on other sites
