I've got a question.
Today, while approaching a scale in OR, the "scale dude" waved me around as he was axling a Gordon heavy haul truck. I noticed the reading on the scale reader, and it was 43,970....this was the drives and the tag axle (in front of the drives, just behind the cab).
What is the weight limit for the tag axle?
Truck tag axle
Discussion in 'Experienced Truckers' Advice' started by otherhalftw, Apr 27, 2012.
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Tag adds 8K, looks like Gordon was a little over.
otherhalftw Thanks this. -
I've been inside and seen the same thing and no tag axle.
I'm sure scalemaster sees it everyday. The world is filled with variety.otherhalftw Thanks this. -
the truck i drive the tag is rated at 10,000 but you don't get 10,000 out of it with bridge law, just like my 40,000lb drives
otherhalftw Thanks this. -
Bridge law allows 3 axles in 11 feet to run 44,000 on the group. However, 3 axles in 10 feet is only 43,500. Shorter distance between the first & last axle in the group and the allowable weight could be less....so whether he was in trouble or not really depends upon his axle spacing, what the permit says, and the officer's discretion.
otherhalftw Thanks this. -
^That's right. However, 10' spread on a 3 axle/drop is 43,500 with a extended weight permit in Oregon. GVW-105,500 on a 8 axle w/ WB of 60' or more. Ha ha I see you posted while I was typing. Not to much discretion of bridges or overweights when I drove extended weight permit trucks. Always tried to get the 3-6 axle bridge for overweight.
otherhalftw Thanks this. -
Our purpose was to take the weight down on the steers. We could not control the axle from the cab. The switch to raise or lower was mounted just behind the cab on the drivers side. Why I'll never know. We also had to list them as drop axles because our tag axles were different. The tag axle was part of the drives except it wasn't a drive axle. The last axle was just an axle with no power to it and could not be lowered or raised. That cut down on more weight. Just don't forget to raise that drop axle when you're empty, you'll go to turn and the truck won't.
otherhalftw Thanks this. -
Drop axles can be operated from either inside or outside the cab,depends on state. During Winter operations on snowpack we would raise our drop axles to increase traction.plus they suck on snowpack for steering.. Some drops also have a auto raise on them when the tranny goes into reverse. How much uneven tire wear have you seen on drop axle tires? Ever have one fail or vibrate at highway speeds? It can get ugly real fast.
otherhalftw Thanks this. -
OK...then what is the difference between a "tag axle" and a "drop axle"?
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otherhalftw and The Challenger Thank this.
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