Michelin tire load/inflation tables - Diesel Forum - TheDieselStop.com
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post #1 of 5 (permalink) Old 01-15-2006, 10:02 AM Thread Starter
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Michelin tire load/inflation tables

Michelin hid them really good. But with persistence you can find them for stock-size tires - 235/85R16E, 265/75R16E, 245/70R17E, 265/70R17E, and several sizes of 19.5" tires for F-450/F-550.

http://www.michelintruck.com/micheli.../Reference.jsp - then click on “Truck Tire/Lt. Truck Data Book", then on "load/inflation tables"

Firestone/Bridgestone load inflation tables are at http://www.trucktires.com/us_eng/technical/index.asp

The simple Goodyear chart for the pickup tires them make is at:

http://www.goodyear.com/truck/pdf/LoadInflLTMetric.pdf

And the more-complete Goodyear chart is at:
http://www.goodyear.com/truck/pdf/da...dInflation.pdf

Note that the load/inflation charts for various manufacturers will be identical for the same size tire. That's because the data are originally developed and published by the Tire and Rim Association - not the tire manufacturers.





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My Sierra Blanca (Spanish for White Mountain) in the sig pic was a great pickup for 11.5 years. I sold it several years ago. I drove a hand-me-down 2003 F-150 SuperCrew 4.6L 2V for a while, but it was unacceptable for towing more than a rowboat. Replacement is a 2012 F-150 EcoBoost SuperCrew Lariat that tows my 5,000-pound TT like a dream. Replaced the 2012 with a 2019 F-150 3.5L EcoBoost with max tow.
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post #2 of 5 (permalink) Old 01-17-2006, 09:24 AM
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Re: Michelin tire load/inflation tables

Thanks for the great information, Smokey. Any idea where one could find the same for the 275/70 R 18 Continentals that come on 2005 F350s? Does the Tire and Rim Association publish something if Continental doesn't? Just yesterday, before I saw your thread, I called Continental Customer Service and had them simply quote me the max inflation, so their customer service is not clued into the idea of an inflation table.

I looked at the Bridgestone, Michelin, and Goodyear tables from the links you posted hoping that one of them made a 275/70 R18, but no luck.

I've been running around with pretty close to max tire pressure (aired 'em up for towing my GN horse trailer, which had me at 200lbs under GVWR). When I'm empty I (and probably a lot of other 18" owners) would like to run the right pressure for better ride and tire wear, but I wasn't going to guess at the right empty pressure!

2005 F350 CC LB SRW 4x4 XL V10 4.10 TowCommand White/Grey LineX/BW Turnover/HuperOptik tint
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post #3 of 5 (permalink) Old 01-17-2006, 11:25 AM Thread Starter
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Re: Michelin tire load/inflation tables

[ QUOTE ]
Any idea where one could find the same for the 275/70 R 18 Continentals that come on 2005 F350s?

[/ QUOTE ]

No, not exactly. Continental (General Tire) puts the load/inflation table for their truck tires on their website = Click here - but that doesn't include the 18" light-truck tires.

[ QUOTE ]
Does the Tire and Rim Association publish something if Continental doesn't?

[/ QUOTE ]

Yes. But you have to be a member to order the book that has it in it, and the book (yearbook) is not cheap. http://www.us-tra.org/traHome.htm

There is another source for non-members where you buy a similar yearbood for $16, but I don't know how good it is: http://www.tireguides.com/catalog01.html

[ QUOTE ]
I looked at the Bridgestone, Michelin, and Goodyear tables from the links you posted hoping that one of them made a 275/70 R18, but no luck.

[/ QUOTE ]

You can use substitution and come up with very close to the load inflation table for your tire. Just find a tire that has the same max load at the same max PSI, and use it. Your tire has a max load of 3,640 pounds at max 80 PSI.

If you can't find a table for a tire that has a max load of 3,640 @ 80 PSI, then use one with a max load of 3,415 @ 80 PSI. There are lots of those available. Using that chart, you will be slightly over-inflated, but slightly over inflation is good. [img]/ubbthreads/images/graemlins/smokin.gif[/img]

[ QUOTE ]
I've been running around with pretty close to max tire pressure ...

[/ QUOTE ]

Then you're probably WAY over-inflated - and wearing out the center of the tread plus putting up with a harsher ride.

Use the load/inflation table for a Goodyear LT265/75R16E until you can get your hands on the TireGuide mentioned above. You'll like the ride (and the tire wear) a lot better. [img]/ubbthreads/images/graemlins/cool.gif[/img]



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post #4 of 5 (permalink) Old 01-25-2006, 04:18 PM
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Re: Michelin tire load/inflation tables

Just wanted to thank you for the great post SmokeyWren. Thanks for collecting the tables for everyone. [img]/ubbthreads/images/graemlins/smokin.gif[/img] [img]/ubbthreads/images/graemlins/smile.gif[/img]

Ryan Arthur

2000 F350 7.3 CC LB DRW 4x4 4R100 4.10 Lariat

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post #5 of 5 (permalink) Old 03-14-2006, 10:38 PM
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Re: Michelin tire load/inflation tables

Thanks, Smokey! Those sources are great. I printed a copy of the Michelin tables for the size you indicated and keep a copy in my glovebox now. Using the tables, I aired the fronts down to 45 and the rears to 40 for empty running. When loaded I'll put the rears up to 65-80 depending on the load, and not touch the fronts.

2005 F350 CC LB SRW 4x4 XL V10 4.10 TowCommand White/Grey LineX/BW Turnover/HuperOptik tint
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