New driver here and i can certainly put the manual versus automatic debate to rest now personally. I wish i had a manual!
Some Semi Autos in "manual" mode still want to change gears on you and once your rpm's take that hit any forward momentum you had going up a snowy/icy farmers driveway in chains is gone.
I have one driveway in particular that is a complete pain in the arse. About a mile of winding snow/ice, across a 1 lane bridge and up two significant grades. I would love to change the farm in the route and wait to back up it with some weight in the tank but being such a long driveway would take forever.
Chain both drive axles? I'm only chaining the rear axle currently and with not enough effect.
Mack Anthem No Lockers
Discussion in 'Experienced Truckers' Advice' started by 2Tap, Jan 29, 2023.
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So chain both?2Tap Thanks this.
Chaining two tires or four? I’ve only ever chained the rear axle when I needed to chain but I always put 3 railers on.
As far as the transmission, they can probable program it differently to hold it in gear no matter what. Some of the economy tunes will shift if the rpm’s get too high. My Paccar trans will hold it in gear no matter the rpm but mine has a balance program which is a mix between performance and economy. I would think the M drive trans in your truck could also be changed.
Yes, only chaining the outside, two tires on the rear most drive. I wasn't supplied with four sets of chains but am kind of reluctant to spend more time chaining UNLESS it's notably better. Only the experience i'm reaching out to here and appreciate could answer that!
Other "new" guys (8-10 year company dry van/on pavement drivers) weren't chaining and paid the price with a hefty wrecker bill. I was fortunate to be training with the owners son and they are milk men through and through. When he asked what i thought i eagerly said no way i would try it with no chains. He tried it forward and slid about 125 feet backwards down the grade but his experience kept the tractor/trailer straight. We tried it with chains unsuccessfully and then waited for a load of chips.
I read the worthless manual waiting to be offloaded and didn't see much valuable info on slippery driving.
I will definitely look into those m drive options now, thank you!
Google didn't help me much, what is a railer?
Triples - real chains. Cover both duals rather than the outside tire only. Double the traction and only slightly longer to install than a single.
Singles on rear axle is basically barefoot. Triples will get you moving
Sorry I should’ve explained more. The chains you have are generally called singles as they are for one tire. “Three railers” is a term for chains that cover a set of duals. The have the inner, center, and outer rails of chain that the cross links are hooked to.
They are heavier to handle but the big advantage to them is that you will have a lot more traction if it’s needed.
For those unsure about chains . When using singles the chains only have traction when both tires are level if inner tire tire is on solid ground and outer tire with chain is floating because it dug up snow or mud it’s not doing anything. With triples both tires dug and hook up.W923 Thanks this.
Read the post before mine carefully.
I bet that farm road is crowned and your outside tires aren’t seeing much weight.
If so try putting them on the inside or get 3 rail chains as others have suggested
kylefitzy Road Train Member
- Aug 12, 2007
You’ve never run into issues with the states that want a single on each outside drive?
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