To Spare or not to Spare?

[Ed Hackenbruch]

  I have found that the inside tire on a set of duals will usually run a little warmer than the outside tire because it doesn't get as much air flow around it.

[TomC]

Very few big rig trucks carry a spare. The ones that due are usually company trucks. If you run good tires, inspect them often and use a wireless tire pressure system, the main reason for a blow out is low pressure and heat built up in the tire. In 1.3 million miles of driving, I never had a steering tire blow out, and if I did get a blow out on a dual, just went around 50mph to the next truck stop to get it fixed.

Even with being in the industry for over 40 years and have the knowledge of how to change a tire, that is one thing I'll ALWAYS leave to professionals since the bus is so heavy along with heavy tires. Anyone doing their own tire changing, unless you've been through a professional training course, is playing Russian roulette with your safety. It is just not worth the few bucks you save. Good Luck, TomC

[PP]

I've needed and used the AC units in the space behind the bumper much more than I've ever needed a spare. I do have the means to swap out tires if push comes to shove, the tags are spares. But I also have a cell phone if there's service and that would be plan A.

[Scott & Heather]

Ok, so tags are great spares especially for those of us who are underweight (we are right around 32,000 lbs). In theory, we would call a service truck and ask them to swap a good tag for a blown tire whether steer or drive. The blown tire/rim would then be mounted at the tag location and we would dump the air in our tag bags. Ok, the tags would still drag because they don't physically lift, they just dump air, so we would need to chain them up. Does the service guy use his jack to raise the tags for chaining? Is there some sort of linkage anyone has ever installed to physically lift the tags after their air is dumped?


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[saddleup]

No spare here, did haul one the first year in the bay slider because the wife said...gave her the choice of the dam heavy in the way spare or a freezer....now I got icecream....lol

[TheHollands!]

Scott, I blew a Tag once and after I had released the air, I just used a regular car jack to raise the tag so that I could attach the chain on the hooks. The tag itself is not that heavy. Craig

[Scott & Heather]

thanks craig.  good to know...

[lvmci]

Hi All, 12R22.5, are sometimes difficult to find in some areas, i carried a spare not mounted for awhile in the 5A, now a mounted spare, but t  have more room in the C3,  lvmci...

[Bensmc9]

Tag tie up chains should be located next to ramp blocks in battery compartment. At least that's where they are on my mc9


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