michelin makes nice ones but very pricey. Grand apiece maybe. Tire wise the bill wouldn’t be much different from 8 295/75’s. Those wheels might be expensive though. Another couple grand easy for 4 of them. Could sell your old wheels to recoup some of that. If they’re all Alcoa’s somebody’d probably give you $1000 easy on FB Marketplace.
Pullin with the dreaded PACCAR Mx13
Discussion in 'Ask An Owner Operator' started by RushmoreTrucker, Nov 4, 2025.
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15 cents per gallon is $1125 per 7500 gallon load. This is a load of Fieldmaster (dyed) that I hauled and it has 4.273 gallons of Cenex’s additive package in it.
Tug Toy and RushmoreTrucker Thank this. -
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What do you fellas think of super single drives and carrying a spare? I'm eyeing Michelin X One line Grip Ds. I'll take anything that lowers tractor weight for the same or better fuel economy. But thinking about it, carrying a spare might just eliminate a bunch of the weight savings. I'm not certain I'll carry a spare. Tractor has room in various places for it, though.
I also plan on eventually adding some aero stuff to the tractor. If it ended up weight neutral with the side skirts added and flow below etc and got better mileage, I'd be real happy. My truck is less aerodynamic than your average T680 Next Gen because of its funky configuration.
As you can see, no side skirts, it only goes far enough for the steps. I was told this was to save weight.
I've got more trailer gap than I realized, I guess. Perhaps these measures are extreme since I'm doing fine anyways, but I'm gonna have to replace the tires either way and it's a fine excuse to go in and make sure the axles' hubs are sealed and greased right when I replace the wheels. Wouldn't be the end of the world if I kept the whole set as some kind of spare either but I'd probably sell the wheels and trade in the tires to become retreads.
I can't figure out how to get those lights on the sides facing the load to turn on, and I don't use em anyways, so I'll probably uninstall em. Currently they're just very small airbrakes.
Having had my first slip and slide, I've determined it's best to replace this set of drive tires earlier than anticipated with something grippier. I've got Toyo M920As with like 7-8/32nds right now. Of course I recovered from the slip and slide (near empty trailer, patch of ice, wind gusts, yippeee) and it'd probably be better if I was loaded to 60-79,000lbs instead of being down at like 30ish but still.
I wish I lived in a world where it was economically viable to just go out and spec then buy a NEW truck and still net a bunch while paying it off. Or, at least, a world where it isn't quite this risky. I probably would've done something pretty similar to this truck, but it would've kept side skirts, had a few other changes. Would've been a 510/1850 from the start. Perhaps a 13 or even 18 speed manual instead of a 12 speed auto. If I want to do tanker with this truck at any point in the future, as far as I understand it's best to run the truck with the transmission in manual mode so it doesn't keep shifting due to liquid surge. But maybe it'd be just fine. -
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