Toyo M-55

[Arya Ebrahimi]

My response was a bit sarcastic, but not entirely.

I run a single rear wheel Duramax(2500) and tow a 38' gooseneck which puts the truck(and rear axle/tires) at its max capacity. I could easily see towing at 80mph across wide open states like Kansas or Texas. So at max load rating and speed rating, would you be concerned?

For 99.9% of my useage, the speed rating will not be a concern. That .1% can add up to be a lot of miles though when the truck averages 30-35k a year.

 

[bfdiesel]

Since this is a commercial tire all it needs is a 81 MPH speed rating it hasn't been tested higher because it is not needed to sell them. Like I said before kinda hooky how they do it anyway. "Tire speed ratings are generally used to identify the highest speed a tire can maintain for 10 minutes without being in any form of danger or damage." From here http://www.tirespeedratings.org/

So according to how they test them if you make ten minutes you are fine (sarcasm and eye roll). kinda hooky

 

[Pacific Northwest yetti]

I live in farming and ranching country in eastern Oregon. We use only m55's on all our rigs. They are the only thing that put up with the abuse. I have a 2004 chevy 2500 crew cab short box. I love the m55, will not go to anything else. Yes they are spendy but worth it. I average 3k+ miles a month on rough farm roads, towing hauling. My driveway is a 3 mile long wash boarded gravel road. That should give you a bit of an idea on how tough I am on tires. They have never failed me in the mountains, mud snow or ice. I would recommend them.

 

[Regcabguy]

I gave up on Toyo releasing an M-55 285-70-17. It is my favorite tire also.
I just got some 285-75-17 Toyo AT2's which I'm very impressed with. The new tread pattern has wider voids and side biters now.
Much quieter than the MT's I had or the M-55's I had on my prior truck.

 

[redthies]

You'll have to let us know what you think of the new AT2s. I am just in the process of buying a truck that has brand new M55s in 255/85R16. I am presently running the MTs in 315/75R16. Love the MTs, but I also expect great things from the M55s.

 

[Arya Ebrahimi]

Put a set of 265/75R16 Toyo M-55's on my '06 Duramax CCSB on Friday.

Initial impressions are good. Tread squirm is obvious, but I anticipate that will dissipate with a few hundred miles. Road noise is a bit louder than I was anticipating, but the tone is spot on. They sound like an over-inflated mountain bike tire at speed. Just a loud "whirrr", nothing like the drone or hum of a Mud-Terrain.

Have not had them in any adverse conditions yet, but will report back when I do.

 

[Mike S]

I have been running M55s on my 80 series Landcruiser (255/85 R16) and my F350 (285.75 R16). I have tried a lot of tires over the years - Michelin, Goodyear, Goodrich... all the way back to Gates Commandos on my first FJ40 Landruiser. I like the M55s on and off the road. The mileage on my LC is nothing short of outstanding. My F350 is a lot heavier and I tow my Airstream or boat, both over 4000 lbs., and the mileage is not as good - been through 1 set and halfway through another in 100K miles on the truck.

My problem with all the tires I have tried is sidewall cuts. I have never had a sidewall cut with the M55s.

They are not nearly as noisy as I thought they would be on the highway, and do very well in rain, snow, ice, and are OK in mud. I will buy them again when the ones I have finally wear out.

 

[bfdiesel]

I have had a cold chisel shoved in between two lugs on my m55's turn along the belting and come out two inches down the side wall. Pulled it out and the tire is still doing fine and has never even leaked. It went in dull side first somehow.

 

[Arya Ebrahimi]

Reporting back after roughly 650 miles and a little wet pavement evasive maneuvering this morning.

Miraculously the excessive tread squirm has dissappeared right around 500 miles as everyone said it would. Prior to that, it felt like I was driving on tires with 10psi in them. There is still a bit of perceivable tread squirm when looking for it, but definitely within the acceptable range.

This morning I was traveling my normal commute on the GW Parkway outside DC when I rounded a bend to find traffic at a standstill. I nailed the brakes and the tires gripped really well. I know my worn Revo's would have exhibited quite a bit less grip. The ABS kicked in, and I corrected the inevitable slide and smoothly came to a stop(short of the Mercedes in front of me ). I also have not been able to break the rear's loose on wet pavement with as much ease as I did the Revos. This is a noteable accomplishment, as the truck has no load in the rear, 60psi in the tires, and 610ft-lbs of torque.

Overall I am pleased. My only minor complaint is how loud the tires are. I don't mind the tone, but the volume is more than I anticipated. Still easily overcome by the radio though.

 

[Erik N]

Just got back from a 14 day backpacking/car-camping trip on the 255's I bought last year. Still love the tires.

After sitting under a tree, loaded, for 9 months, they had not lost any air. The pressures were exactly as I had left them last October. 36/38.

Still enjoy the noise they make (I actually sold the GY MT's I came on my other, beachfishing Burban here in TX partially because of their horrific roar), it's a nice calming whirring sound.


Again I aired down to 20/22psi. The sidewalls took a beating, but still look great, probably the lack of wheelspin has a lot to do with that. I dented 2 of my hubcaps this time... Probably I will remove them during next year's trip.

Traction, as usual, was good. I didn't notice any of the tread squirm someone had mentioned... Maybe the 255's tall sidewall masks that. The did make a squirmy noise over road paint when braking or turning hard, though.

I had the tires rotated front to rear before storing the truck. About 2,200 miles on them.

I also love the truck itself. She fired on the first crank! What is it they say about the old EFI's? They always run, and they always run the same... or something like that.

And of course, pics attached!

 

[TooTall'sTruck]

Nice! I have my shop truck sitting in the shade also and have yet to see any form of deteriation on the tires (235/85-16 10ply) and the old 351W pope after a few months and a few pumps!!

We need a better outline of the trip you took though!!

 

[Wolftaco]

Proud new owner of 4 Toyo M55s in 255/85r16!

Well after anxiously awaiting the arrival of the 255 ST Maxx, I decided to purchase the M55's. Ha! Thanks to everyone on this thread for being guinea pigs and sharing your experiences! I hope to do the same and report back once I get these things on the truck! I never regretted spending a little more for reliability and peace of mind.

 

[chilliwak]

I was curious if this tire is rated as an official snow tire? Also are they easily available in a 35 or 37 inch tire size. I look forward to your feedback. Cheers, Chilli...

 

[Regcabguy]

I was curious if this tire is rated as an official snow tire? Also are they easily available in a 35 or 37 inch tire size. I look forward to your feedback. Cheers, Chilli...

Regrettably Toyo doesn't offer the M-55 in a 35" or 37".

 

[TooTall'sTruck]

The M55 is basiclly a commercial tire...and nobody wants a 35" tire on a commercial vehicle. They are too far from "stock". My solution to wanting a 35" or bigger and 11" wide max is to go up in rim size! A 255/70......22.5! They are 36" tall and about 10" wide, they are the same width (via eyeball) as my 235/85-16 and they are usually a 16ply tire. That size is commonly used as a drop axle on chiptruck trailers around hear, and Double Coin makes a great tire. My target tire for my Fords (as for that much money they would fit on every and all trucks I would ever own) is the Goodyear 622 RSD.
http://tires.quicklane.com/TireProfile.aspx?tire=1685_Goodyear_UNISTEEL+G622+RSD_Medium+Truck_255/70R22.5_0__M_140_BSW_756203265_9OO1+756203265_G592B&size=255_70_22.5

Even with a set of custom Stockton wheels a set of 5 tires and rims is only $4500. Not really bad considering that they are a heck of a lot cooler than the ordinary bling crap that most rims over 18" are.

I did my math correctly and the chip trucks haul 105,000 pounds and get about 6 months to a set of tires (roughly, the shop doesn't really track the usage) and that 6 month period is about 60,000 miles. So if 100k# nets 60k miles the a 10k truck ought to squeak out 600k miles....the tires would never see wear...and they would only require around 30 psi to carry our kind of weight and still have a little cushion.

The lifted crew bus (Ford supperduty) the logging company owners drive usually run the Toyo MT and tear the crap out of the tread in about 30k miles if that. BUt the stock sized OBS ford crew bus that the crew drives like a bat out of hell run the 235/85-16 or maybe 285/75-16 in M55 and get around 50-60k per set.