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FREEDGUY 
Orange Level Access
Joined: 15 Apr 2017
Location: South West Mich
Points: 5391
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 Topic: Air Brake ABS ?
Posted: 29 Dec 2021 at 5:03pm |
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For the "big trucks" with air brakes, are the trucks able to have ABS ??
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Boss Man
Orange Level
Joined: 03 Mar 2018
Location: Greenleaf, WI
Points: 609
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Posted: 29 Dec 2021 at 5:18pm |
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ABS and traction control
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DMiller
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Joined: 14 Sep 2009
Location: Hermann, Mo
Points: 29715
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Posted: 29 Dec 2021 at 5:22pm |
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Long TIME Ago, look up FMVSS121
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Ed (Ont)
Orange Level
Joined: 08 Nov 2009
Location: New Lowell, Ont
Points: 1224
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Posted: 29 Dec 2021 at 7:38pm |
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Sure do!
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jaybmiller
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Joined: 12 Sep 2009
Location: Greensville,Ont
Points: 21591
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Posted: 29 Dec 2021 at 7:46pm |
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yup, gone are the days when you had to KNOW how to drive a vehicle......
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3 D-14s,A-C forklift, B-112
Kubota BX23S lil' TOOT( The Other Orange Tractor)
Never burn your bridges, unless you can walk on water
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Lars(wi)
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Joined: 14 Sep 2009
Location: Permian Basin
Points: 6711
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Posted: 29 Dec 2021 at 8:27pm |
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ABS on class 8 trucks nowadays. OOS violation if inoperable at inspection for the tractor, warning for trailer.
Edited by Lars(wi) - 29 Dec 2021 at 8:27pm
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I tried to follow the science, but it was not there. I then followed the money, and that’s where I found the science.
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Lars(wi)
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Joined: 14 Sep 2009
Location: Permian Basin
Points: 6711
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Posted: 29 Dec 2021 at 8:29pm |
 jaybmiller wrote:
yup, gone are the days when you had to KNOW how to drive a vehicle......
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Especially those Godforsaken auto shift transmissions.
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I tried to follow the science, but it was not there. I then followed the money, and that’s where I found the science.
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SteveM C/IL
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Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 8035
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Posted: 29 Dec 2021 at 10:04pm |
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They suck on an empty trailer in the rain if you brake very hard. I'd rather have the sliding trailer than the release,grab,release grab. The release feels like you sped up.
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DMiller
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Joined: 14 Sep 2009
Location: Hermann, Mo
Points: 29715
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Posted: 30 Dec 2021 at 6:19am |
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Sure does!!
And yes driving knowledge is a lost art now.
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PaulB
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Joined: 12 Sep 2009
Location: Rocky Ridge Md
Points: 4437
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Posted: 30 Dec 2021 at 6:45am |
ABS = ALL BRAKES SUCK I've been driving professionally since those 121 brakes were first out there. There's no feeling like when you push the brake peddle and nothing happens and with the 121 brakes more often than not, that's what you got. I will admit that the newest systems are better (when they do work) than the 121 ever was. Before I ever got a license, We had a neighbor across the street that was an engineer working for ATA who was a big part of developing the "121" system, with all the skid testing on lake Michigan back in the late 60s and early 70s. He never spoke highly of it and always was against the timeline that was mandated to meet. His biggest complaint was the problem of corrosion in all those wiring connections and failed sensors. Imagine that salty water corroding things? As for me, I'd still rather have complete control of what the brakes are doing than having a computer say" No you don't need no brakes". There are times when even a controlled skid is better than freewheeling. The best solution is to SLOW DOWN AND NOT FOLLOW SO CLOSE when driving in bad weather. Too many people on the roads today are no longer DRIVERS, just steering wheel holders, in both cars and trucks. As we know most don't even know how to use a dimmer switch anymore. Like one of the bumper stickers on my hauler trailer "If you can't operate the turn signals, what make you think you can operate the rest of the car?" Same goes for those "Auto-Shift" transmissions. That computer can not see what is ahead of you and is always trying to be in the highest gear possible, not the proper gear for the conditions. When I was driving the one truck that had the "Auto-Shift" in bad weather I found I had to use the "Manual" button to maintain proper gearing for the conditions. And what goes with having Brail bumps on the shift buttons of a tractor trailer? As for self driving cars being the latest fad, We've always had them. They are called TAXIES 
Edited by PaulB - 01 Jan 2022 at 7:09pm
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If it was fun to pull in LOW gear, I could have a John Deere.
If you can't make it GO... make it SHINY
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Coke-in-MN
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Joined: 12 Sep 2009
Location: Afton MN
Points: 41229
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Posted: 30 Dec 2021 at 12:19pm |
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Ah yes - the days when they were first put on trucks - believe 1976 or so as my GMC Dump truck has that box on back wall of cab behind drivers seat - WITH ALL THE CUT WIRES, where Anti-Lock controls were mounted and fount they were a FIASCO when in working order on heavy trucks .
Then the new sensing brake application on tractors where your going down a entrance ramp to highway around a curve and brakes apply as truck says you are exceeding the speed for the ramp . Every time I drove one of then with a smooth bore tanker loaded it was a scary ride .
Then on slick roads with a gravel shoulder of putting one set of wheels on the gravel to control braking , another learned option of keeping everything in line when slowing down with brakes .
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Faith isn't a jump in the dark. It is a walk in the light. Faith is not guessing; it is knowing something.
"Challenges are what make life interesting; overcoming them is what makes life meaningful."
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SteveM C/IL
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Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 8035
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Posted: 31 Dec 2021 at 1:48pm |
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Coke,pulled NH3 tanker with that on it. Good luck trying to get any speed on the on ramp to merge with interstate traffic. Not a safety feature in my book.
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