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  1. #1

    Wanting to upgrade to 46 or 52" tires

    I presently have Michelin Military XL tires; 39" tires on a 16" wheel. I want to go with the same tires but in a 46 or 52 inch size on a 20" wheel.



    Any comments here?



    Some say that size tire is too much weight for my '01 Dually 3500 axles.
    2001 3500 QC Dually SLT HO, 6 Spd, 6-inch lift, 39.5 Michelin military tires, LUND step bars and ventshades, 4-Inch MBRP Exhaust, Autometer tri-pillar guage set for PYRO and Fuel PSI and Boost. SBC O Fe. 135,000 mi, Fleetguard filter. Ranchand bumpers and winch next.

  2. #2
    Join Date
    Apr 2005
    Location
    Decatur, IL
    Posts
    369
    53's would be too much, but 46s have been done on 1 ton axles plenty of times. In fact, I even have a set of 46" Michelin XLs in great shape that I'd sell if you are interested. PM for more info.
    99 Ford F350 Crew cab, 4x4 6spd, Cummins 12V powered, Super B, SBC DD, Rickson 19.5s
    ** Not affiliated with FordCummins.com**

  3. #3
    Join Date
    Feb 2005
    Location
    Shamong, NJ
    Posts
    320
    GBrock, this thing sounds huge! Were are the pics?
    My Toy-1994 2500 SingleCab Longbed 4x4 3.54 Maroon/ Gray(Soon to have a FRESH 12V + Built Auto!)

    DD-2004 GMC Sierra 2500HD CrewCab ShortBed 4x4 White LLY DMAX/Allison

  4. #4
    Join Date
    Jul 2005
    Location
    Mountain Home, ID
    Posts
    2,893
    With the power the Cummins puts out I would think about Rockwell axles with tires that big. . I don't think the 1 ton axles will hold up.
    1998 24v 2500 Quad Cab Shortbox 4x4.
    35" BFG M/Ts on Weld wheels, 2" lift with Bilstein 5100s, RV275s, Smarty, TST, ATS manifold, straight piped, Banks guages, Yukon 4.10s and Detroit in the rear, Frantz oil filter, PSC steering box, DSS, Putnam class V hitch, 172,000 miles.

  5. #5
    Join Date
    Apr 2005
    Location
    Decatur, IL
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    369
    Petersons 4wheel and Offroad ran 46" Michelins on one of their Project trucks. It was an 02 F350 (maybe 250, but the axles are the same) D60 front, 10. 25" rear with several performance mods done to the PSD as well. The axles handled it well considering the power, tire size and type of 4wheeling being done. I wouldnt hesitate to run 46s on it, and if the axles do start breaking parts, then downgrade to a smaller tire, like 41s, or 43s, or upgrade to Rockwells.
    99 Ford F350 Crew cab, 4x4 6spd, Cummins 12V powered, Super B, SBC DD, Rickson 19.5s
    ** Not affiliated with FordCummins.com**

  6. #6
    Join Date
    Sep 1999
    Location
    Riverside
    Posts
    10,500
    Quote Originally Posted by GBrock
    I presently have Michelin Military XL tires; 39" tires on a 16" wheel. I want to go with the same tires but in a 46 or 52 inch size on a 20" wheel.



    Any comments here?



    Some say that size tire is too much weight for my '01 Dually 3500 axles.


    I have over 1000lbft of torque on my manual trans truck and have done a bit of damage to frame,brackets and mounts with 35's no way would I go that big on tires with out being prepared to do a lot of repair work after any playing.



    Bob
    94 2500 4x4 5 spd Carli performance 2.0 with full leafs
    2005 2500 Quad 4x4 48re,Carli dominator 3.0 plus long travel air bags, Baja proven and enough power to make it work

  7. #7
    Join Date
    Feb 2005
    Location
    Shamong, NJ
    Posts
    320
    The front wheel bearings/ hub are not going to hold up. If you do the dynatrac hub conversion you could get away with it. I just bought the stage I kit, but they have not arrived yet.
    My Toy-1994 2500 SingleCab Longbed 4x4 3.54 Maroon/ Gray(Soon to have a FRESH 12V + Built Auto!)

    DD-2004 GMC Sierra 2500HD CrewCab ShortBed 4x4 White LLY DMAX/Allison

  8. #8
    Join Date
    Jun 2001
    Location
    Far North Central Colorado
    Posts
    112
    Unless I'm mistaken, Michelin military XLs are only rated for a top speed of 55 or 60 mph. Most military vehicles are governed to 55 mph or used to be.
    CyberRanger -- cyberranger@gmail.com
    "Big Blue" 2002 2500 SLT 4x4 QC LWB HO 5.9, 6 Spd

  9. #9
    Join Date
    Jan 2005
    Location
    cali
    Posts
    2,230
    Quote Originally Posted by CyberRanger
    Unless I'm mistaken, Michelin military XLs are only rated for a top speed of 55 or 60 mph. Most military vehicles are governed to 55 mph or used to be.
    use to be is the word except for the gearing in the cutvee chevy 6. 2 with 456 gears n 235/16 tires thats the max u wanna run that truck is 55 I've never seen a govner on any of the late style trucks or 151 jeeps .
    running since Feb 2013 1985 dodge crewcab longbed 4x4 cummin's conversion
    R I P Speedy the bug 5-17-2010, sold 2008 2500 n 2011 3500
    new as of 5-11-2012 a 2012 jetta sport wagen TDI Wifes Ride
    2014 Jeep Grand Cherokee 3.0 Diesel replaced the Crashed Durango

  10. #10
    Join Date
    Apr 2005
    Location
    Decatur, IL
    Posts
    369
    The speed rating is in place for the tires when loaded to max. capacity. Without much weight on the tires, virtually no heat is generated and the tire can be run at a higher speed with much less risk for a blowout. However, at these much higher speeds, tire wear increases exponentially, regardless of weight. I dont know the exact formula, but have talked with Michelin engineers, who have told me that the tire wear/weight/speed ratios are fairly complex. But with Michelin surplus prices being what they are, you could run at a higher speed, and wear out a good number of tires, while still not spending too much money.



    I ran 41" Michelin XZLs on a 94 F350 for almost 2 years, putting 20k on these tires, most of which was highway driving at 65 mph. The tires wore VERY well, and rode excellent compared to the garbage Swamper TSLs I had before.
    99 Ford F350 Crew cab, 4x4 6spd, Cummins 12V powered, Super B, SBC DD, Rickson 19.5s
    ** Not affiliated with FordCummins.com**

  11. #11
    Join Date
    May 2004
    Location
    Hamilton, OH
    Posts
    674
    Where did you get the 41" XZL's at? All I've found in that size range has been the XL pattern. . .



    Chris
    Black 2001.5 2500 qc sb 4x4 - towrig
    Maroon 1996 2500 xc lb 4x4 - 2.8 street puller - ADP pump, ADP injectors, ADP turbo, SBC Iron Giant
    Red 1993 W250 - 913 pump, EDM's, H2E, built auto

    Power by J.R. Adkins - 317-281-3130
    Put to the ground by SBC - 800-988-4345

  12. #12
    Join Date
    Apr 2005
    Location
    Decatur, IL
    Posts
    369
    New through Michelin. I know a guy who can get them at manufacturers cost to me, so that really helps on the price. If I didnt have that deal, Id be running surplus XLs.
    99 Ford F350 Crew cab, 4x4 6spd, Cummins 12V powered, Super B, SBC DD, Rickson 19.5s
    ** Not affiliated with FordCummins.com**

  13. #13
    Join Date
    Feb 2005
    Location
    Bakersfield CA.
    Posts
    254
    Quote Originally Posted by DieselNasty
    GBrock, this thing sounds huge! Were are the pics?
    Yeah, lets see some pic's.
    95 3500 4x4

  14. #14
    Join Date
    Oct 2005
    Location
    Longview, Texas
    Posts
    88
    Quote Originally Posted by FordCummins
    Petersons 4wheel and Offroad ran 46" Michelins on one of their Project trucks. It was an 02 F350 (maybe 250, but the axles are the same) D60 front, 10. 25" rear with several performance mods done to the PSD as well. The axles handled it well considering the power, tire size and type of 4wheeling being done. I wouldnt hesitate to run 46s on it, and if the axles do start breaking parts, then downgrade to a smaller tire, like 41s, or 43s, or upgrade to Rockwells.


    I thought they kept breaking stub shafts on the front 60?
    2007 3500 6.7 6spd 4x4 DRW--Bought on 8/23/07.

  15. #15
    Join Date
    Jul 2002
    Location
    Middle Tennessee
    Posts
    2,337
    A buddy of mine was running 52's on a '96 2500 show truck he built. I think he put @80K miles on it with them. Like I said, it was a show truck, I don't know that he had it off-road much, but he was running a 10" lift kit and a 3" body lift. He's dropping back to 45's, I think, removing the 10" lift, and going with a 7" lift to turn it into a daily driver.



    Scott
    Scott

    Mid-Tenn TDR
    TOTALLED OUT 1995 2500 2wd
    FINALLY DRIVING BUT NOT FINISHED 1998.5 QCSB Auto with the '95 12V, Goerend tranny, #10 plate, DD3's, 181's, HE351CW, 60# springs, AutoMeter guages, tabbed KDP, MPRP Exhaust

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