AMTA calling for increase in allowable weight on wide-base single tires

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CALGARY, Alta. -- The Alberta Motor Transport Association is working with the province to allow an increase in the allowable weight on wide-base single tires. An AMTA delegation met recently with Alberta Transport Minister Ray Danyluk to...

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I curious for the fleets that are running these.

* I think these look really cool.
* Cool doesn't put freight on the truck.
* Cool doesn't make the freight pay anymore.

My question(s)...

* Whats the advantage (besides looking cool) to running these?
* Are they Cheaper? More fuel efficient?
* I know when you have a single blowout on a regular axle set up if its the inside tire sometimes you don't even know until the next time you stop. What happens with one of these big boys. Does loss of control become a concern?

Thanks in advance for your anticipated input Ladies & gents.
 
NAWK, the biggest advantage is weight savings. On a 5 axle (US configuration) the weight savings can get to 1000 lbs. If you're hauling by the ton that's additional revenue at zero cost. Some will tell you there's a fuel savings, I can't say for sure. As far as a flat tire is concerned, if one of these goes flat you're dead where you sit. That may be the biggest reason to NOT look at these tires to many BUT think about this. If you get caught running to a tire shop in the US with a flat or blown tire (dual configuration) the consequences potentially are the driver being fined and placed OOS and the carrier's CSA score being bruised.
 
Super Singles

We have tried super singles on 10 trailers, however, the biggest problem is finding a replacement tire on the road, and the price of it (not cheap, and often hard to find, and if you damage a rim too, it gets even steeper.) Seriously considering back to dual's for next round of trailers just because the cost benefit has not been seen thus far and we have had them for 2 years now. If you do get them, definitley go with auto-inflation system for the tires, it will at least get you to a place where you can get some repairs done if needed assuming the tire is not cut or beyond repair on the side of the road. Another thing we are still tweaking with is what PSI to run them at as it greatly affects the tire ware. We have had some O/O's convert their tractors and are very happy with them, just disappointingly expensive if there are any issues on the road.
 
Great points F1 Freight!

Another plus to wide based tires is the additional cooling of the brake drums. Because the wheel is off set further the brake drum has more exposure to the passing wind thus quicker cooling of the brakes. Doing conversions from duals to wide based tires is somewhat controversial. Some "experts" profess that the bearings and axles/axles tubes that are used in a dual wheel configuration aren't strong enough to support a wide based tire configuration>just what the so called experts profess.