1. #1
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    Default Ford F-450/550 Tires

    Our local agencies are having problems with the 19.5" tires on the Ford F-450/550.

    The only tires available have one ply sidewalls. We are having numerous punctures of the sidewalls when working in the "off road" enviroment.

    We have checked with all the major manufacturers and none make a heavier sidewall tire in an agressive tread. One manufacturer makes a two ply but only in an all season tread which is not suitable for our use.

    Has anyone else had this problem and if so, do you have a solution?

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    I don't have a tire recommendation, but I do have some other places you may want to look for an answer.

    Site #1
    http://www.ford-trucks.com/cgi-bin/dcforum/dcboard.cgi

    This is an Enthusiast message forum which I have personally used to get some very good info in F-Series Chassis questions.

    Site #2
    http://www.bulletinboards.com/messag...mcode=04462388
    This is the NAEVT Forum - also a great source for Technical Info.
    Take Care - Stay Safe - God Bless
    Stephen
    FF/Paramedic
    Instructor

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    Ray:

    We too have questioned the wisdom of Ford's use of this tire on the F550. However, to correct the problem, you will have to go to the next larger 19.5 tire. To accomplish this, you will have to replace all the wheels. The wheels will require replacement to increase wheel separation between the dual tires. If the larger tires are placed on the original rims, the dual tires will run 'in contact'. If you choose to go the route of larger tires with increased sidwall ply, you will encounter another problem. The front tires will contact the chassis components at full steering lock. The up-side to increased tire size is that you will get extra sidewall ply and increased height. The increase in height is only .9" diameter which relates to less than 1/2" axle/ground clearance.

    To date, we have opted to retain the Ford supplied tires and wheels. Fortunately, sidewall damage has not caused any blowouts. All damage has been caught upon coming back onto hard roadway during the initial chassis/tire/wheel inspection after any off road response.

    Respectfully submitted,

    Tony Bulygo (SD born and raised)
    SCCFD (CA)

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    Thanks for the replies. I did not see anything specific on the two web sites but will continue to check them.

    I do not think that we will change to the larger tires because some of our drivers in the VFD would wonder what the noise is when they crank the wheel all the way and still chew up the tire.

    Our last incident was on the Grizzly Gultch fire which required the towns of Lead and Deadwood to be evacuated, Crew was on a fresh cut bulldozer line and supporting a crew doing burnouts when the punctured a sidewall. Not a good time to have a flat.

    The fire should be contained by 6 PM today and everyone is back to their homes. Deadwood casinos opened for busuness several days ago. 7 primary residences lost, 11,000 acres burned, no serious injuries or deaths.

    Thanks, Ray

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    What are the plies of the tires. Are the ones you have like a 4 steel plies tread 1 steel side wall or is the side wall polyester plies. If they are polyester you might try the steel sidewall a Goodyear G124lt 225/70 19.5 is the one I am familiar with and I think the one I am familiar with had the all steel General.



    Here Is the goodyear website: http://www.goodyear.com/truck/produc...5___FData.html

    Good Luck with your quest
    D308

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    d308,

    They are one ply steel sidewalls. I have e-mailed Goodyear for suggestions but have not heard anything back as of yet.

    Thanks,

    Ray R

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    Default nice ride

    http://www.wildlandfire.com/pics/eng3/truck2.jpg

    A twenty inch wheel like on this truck will solve your problem and give you a much wider range of tires to choose from. Saw one of these in New Mexico two weeks ago.

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    Well I Tried Ray, The only other suggestion I could give is that I think general makes one with 2 steel sidewalls but I belive it is an all-season and not the max traction. Good luck and If you could let me know if you find something heavier I would be interseted Thanks.

    Be Safe
    D308

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    Ricky,

    Impressive truck but I don't think we want to do that kind of modification.

    We also use our rigs as medical responders for vehicle accidents in the winter and those wide tires are not good on snow and ice.

    The career department I work for has an International S-1800 4 x 4 with the super single tires at all four corners. It handles on snow and ice like you are on ball bearings.

    Thanks,
    Ray

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    Ray, My department just recieved a Ford 550 brush truck. The company that made it did some modifications to the tires and rims. Maybe they can help you. The truck is known as a BRAT and the company that made it was firematic supply. They have a web page with pictures and a discribtion. The site is: WWW.Firematic.com . Hope this will help you.
    Last edited by XCAPT1; 07-15-2002 at 01:05 AM.

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    XCAPT1,

    The setupon your rig looks like a solution. I will contact them as soon as we get out of our current"Red Flag" conditions.

    Thanks,

    Ray R

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    Ray R You should check with Cooper Tires They have a 19.5 tire that has steel sidewall and steel belts, it is called C-140. The tread is fairly aggessive and gives a great ride. We have used them for years on suburbans and the medics love the way they make the vehicle handle.

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    Joe T,

    We checked on the Coopers but they are still a 1 ply sidewall as are the other manufacturers.

    Thanks

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    RayR: Don't know what the heck y'all is runnin' over there, but first, maybe some "off-road" drivin' classes might be in order for ya. Second, you might want to check into somethin' called "Ultra Seal ." It's what the U.S. militaty uses to BULLET-PROFF their tires!

    You can find it at www.gemplers.com . I use the "high-speed" version in my personal pick-up (a 2000, F250SD 4X4) which I put in more harsh, off-road situations than I bet your rigs ever face! NEVER had a problem. By-the-by, I run BF Goodrich Radial All-Terrian tires; great for dirt, mud, snow & just about any combo of the three.

    Go talk to your local 4X4 speciality shop & see what they have to offer.
    Inter Fratres Unum

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    BoyToy 74,

    I won't argue that some of our drivers could use more training.

    Most of our problems have been sidewall cuts when working on freshly cut bulldozer lines. In most parts of the Black Hills you wind up with some pretty sharp chunks of granite or limestone. The most common cut is on the inside of the duals from a chunk being caught between the tires.

    I had one suggestion to lower the pressures for more flex on the 1 ply sidewalls but we haven't had a chance to try that theory yet.

    I'll check on the additive at one of our local shops.

    Thanks

    Ray R

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    Ray, you probably know, but be sure not to put too much of the sealer in the tires it will cause the truck to bounce, and may anyway if you have the balancing powder inside the tire instead of the lead wieghts on the outside. Also I looked at the stuff and it says it will only seal holes to 1/4"(1/2" in the 25mph type) Not too sure that will work on logs and granite inbetween the duals. Anyway That is my two cents worth.

    As always Be safe and Hope the info helps

    D308

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    RAYR: Don't quote me on this, but I think I remamber readin' an artical in 'Heavy Equipment News' or some such mag that was talkin' 'bout "Super Singles" for the Cons't. industry (I'm a heavy equipment mechanic/rebuilder in my spare time.)

    This type of tire would replace your dual rear whells w/ ONE "super-wide" single tire. Talk to a H.D. truck dealer and/or tire shop in your area; see what they know about these. From what I remember of the artical, there are several mnf.'s who make them.

    At this time, I think the artical said that they are only made in "roadable" treads, however with a good off-road tire on the front "pullin' ", and a 'supper wide' "regular" road treads on the rear pushin', this might solve your problems.

    Hope this can help, but maybe teachin' your biys how to drive off-road will help more! ;^ )
    Inter Fratres Unum

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