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Tractor Trailer Tires #4945054
12/06/18 12:23 PM
12/06/18 12:23 PM
Joined: May 2018
Posts: 1,826
Tri State Conservative
Zee09 Offline OP
Zee09  Offline OP

Joined: May 2018
Posts: 1,826
Tri State Conservative
Was behind one today that had just two tires per axle- big fat Michelins.
Is that the new thing these days? Looks like it would make life a bit easier except
weight wise on a change.


"If I walked on water, they'd say I couldn't swim."
Re: Tractor Trailer Tires [Re: Zee09] #4945058
12/06/18 12:32 PM
12/06/18 12:32 PM
Joined: Sep 2002
Posts: 3,535
Arkansastan
Propflux01 Online crying
Propflux01  Online Crying

Joined: Sep 2002
Posts: 3,535
Arkansastan
Those have been around for awhile. Was meant as a cheaper and more fuel efficient alternative.


2014 Hyundai Elantra
2014 Hyundai Elantra GT

A 55 Gallon Drum And A Shovel Can Solve A lot of Life's Little "Problems"
Re: Tractor Trailer Tires [Re: Zee09] #4945066
12/06/18 12:50 PM
12/06/18 12:50 PM
Joined: Dec 2005
Posts: 3,482
The Canyons
02SE Offline
02SE  Offline

Joined: Dec 2005
Posts: 3,482
The Canyons
Super Singles have been around for awhile. The claim is better fuel economy and less weight of the wheel/tire assembly. Less weight translates into more overall cargo capacity.

Re: Tractor Trailer Tires [Re: Zee09] #4945072
12/06/18 01:01 PM
12/06/18 01:01 PM
Joined: Aug 2015
Posts: 3,048
NC
BigD1 Offline
BigD1  Offline

Joined: Aug 2015
Posts: 3,048
NC
Lawyers going to eat this up.


1992 Toyota Pickup--PYB 10W-30--Fram PH3614
Re: Tractor Trailer Tires [Re: Zee09] #4945081
12/06/18 01:13 PM
12/06/18 01:13 PM
Joined: Jun 2003
Posts: 18,224
Deplorable in apple valley, ca
Chris142 Online content
Chris142  Online Content

Joined: Jun 2003
Posts: 18,224
Deplorable in apple valley, ca
Their downfall is no limping a few miles to the tire store like you can with duels.


02 Wrangler carlube 5w30
87 F250 traveler 15w40
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Re: Tractor Trailer Tires [Re: Zee09] #4945087
12/06/18 01:22 PM
12/06/18 01:22 PM
Joined: Jan 2004
Posts: 4,825
California
nthach Online content
nthach  Online Content

Joined: Jan 2004
Posts: 4,825
California
Bridgestone and Michelin are proponents of this - less weight, simplicity and a small MPG bump from lower rolling resistance and rotating mass. Concrete mixers and trash haulers have been using a similar concept for years.

Re: Tractor Trailer Tires [Re: Zee09] #4945100
12/06/18 01:52 PM
12/06/18 01:52 PM
Joined: Oct 2012
Posts: 2,495
Northern Ontario, Canada
Danno Offline
Danno  Offline

Joined: Oct 2012
Posts: 2,495
Northern Ontario, Canada
Used to spec and buy tractors and trailers. Super singles have been available for about 2 decades. Given their lack of adoption is telling.
Service problems meaning higher costs, more downtime and not an industry standard a couple of reasons that haven't been adopted.


2016 Sorento SX V6 AWD
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Re: Tractor Trailer Tires [Re: Zee09] #4945129
12/06/18 02:30 PM
12/06/18 02:30 PM
Joined: Sep 2002
Posts: 4,301
Lakeville, MN
MNgopher Offline
MNgopher  Offline

Joined: Sep 2002
Posts: 4,301
Lakeville, MN
As others pointed out, super singles. They've been around for a while. Useful in apps where you need a little extra weight carrying capability (the super single is lighter than the duals it replaces) and it is supposed to hep with fuel mileage too. As others have pointed out, it does mean not limping a truck into a service area though - when one goes, you are down until its changed there.

We tend to see them in use on more local and regional uses - like bulk carriers (think cement, etc...) and some end dump users (who haul salt and gravel products - the extra load capacity is useful).

Re: Tractor Trailer Tires [Re: MNgopher] #4945140
12/06/18 02:45 PM
12/06/18 02:45 PM
Joined: Feb 2013
Posts: 3,440
Central Virginia
Silverado12 Offline
Silverado12  Offline

Joined: Feb 2013
Posts: 3,440
Central Virginia
Originally Posted by MNgopher
As others pointed out, super singles. They've been around for a while. Useful in apps where you need a little extra weight carrying capability (the super single is lighter than the duals it replaces) and it is supposed to hep with fuel mileage too. As others have pointed out, it does mean not limping a truck into a service area though - when one goes, you are down until its changed there.

We tend to see them in use on more local and regional uses - like bulk carriers (think cement, etc...) and some end dump users (who haul salt and gravel products - the extra load capacity is useful).

Exactly. We use them on our dedicated bulk tankers that are mainly local. It's all about weight savings plus they're a little more fuel efficient. I've blown a cap, though. It makes for a huge gator on the road that can cause a lot of damage.


12 Chevy Silverado ext. cab LS, 2WD 4.3 auto
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Re: Tractor Trailer Tires [Re: BigD1] #4945144
12/06/18 02:55 PM
12/06/18 02:55 PM
Joined: Jan 2011
Posts: 3,429
PV Az @ 5000'
AZjeff Offline
AZjeff  Offline

Joined: Jan 2011
Posts: 3,429
PV Az @ 5000'
Originally Posted by BigD1
Lawyers going to eat this up.



They've been around for 20 years... we aren't hearing about disasters.

Guys I know who own their rigs seem to stay away from them.


86 Samurai 1.3 leftovers
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Re: Tractor Trailer Tires [Re: 02SE] #4945156
12/06/18 03:07 PM
12/06/18 03:07 PM
Joined: Dec 2016
Posts: 7,756
Waco, TX
Linctex Offline
Linctex  Offline

Joined: Dec 2016
Posts: 7,756
Waco, TX
Originally Posted by 02SE
Super Singles have been around for awhile. The claim is better fuel economy and less weight of the wheel/tire assembly. Less weight translates into more overall cargo capacity.


Yes - for at least 20 years.


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Tractor Trailer Tires [Re: Zee09] #4945157
12/06/18 03:08 PM
12/06/18 03:08 PM
Joined: Jan 2015
Posts: 931
missouri
ragtoplvr Offline
ragtoplvr  Offline

Joined: Jan 2015
Posts: 931
missouri
They make a hub mounted make up air pump to help keep small leaks from becoming a disaster. There are also systems that use the truck air supply. And of course tire pressure monitors.

2 sidewalls to flex rather than 4, fuel savings.

Rod

Re: Tractor Trailer Tires [Re: AZjeff] #4945159
12/06/18 03:09 PM
12/06/18 03:09 PM
Joined: Dec 2016
Posts: 7,756
Waco, TX
Linctex Offline
Linctex  Offline

Joined: Dec 2016
Posts: 7,756
Waco, TX
Originally Posted by AZjeff
Guys I know who own their rigs seem to stay away from them.


Yes - because individual tires on "duals" are far, far cheaper - and a Super Single flat tire means you pull over and park RIGHT NOW.


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Tractor Trailer Tires [Re: Zee09] #4945179
12/06/18 03:30 PM
12/06/18 03:30 PM
Joined: Mar 2013
Posts: 5,233
The Midwest
skyactiv Offline
skyactiv  Offline

Joined: Mar 2013
Posts: 5,233
The Midwest
I've seen a few semis with them at my job as a test I'm guessing. Super singles are 445/50/22.5 whereas most, but not all, drive, steer and semi trailer tires on semis are 295/75/22.5.
You have some Pete owner ops that like "tall rubber" 24.5-R11.
As stated above, if you get a flat with a super single, you gotta sit and wait for a replacement. You can limp a truck or trailer if it has a flat on a dual. Super singles have no place on
converter dollies. The best tire casing in my opinion is Yokohama.


Wife: 15' Audi A4 quattro 6 speed manual
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Wanted: 2019 Ford Ranger
Re: Tractor Trailer Tires [Re: Linctex] #4945182
12/06/18 03:32 PM
12/06/18 03:32 PM
Joined: Feb 2012
Posts: 8,804
New England
Jarlaxle Offline
Jarlaxle  Offline

Joined: Feb 2012
Posts: 8,804
New England
Originally Posted by Linctex
Originally Posted by AZjeff
Guys I know who own their rigs seem to stay away from them.


Yes - because individual tires on "duals" are far, far cheaper - and a Super Single flat tire means you pull over and park RIGHT NOW.

And two on the same side means a very real chance of a truck on its side.


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