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Old 05-02-2016, 09:06 PM   #29
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I think Michael, the OP, has enough to digest here without too much more discussion.
He only has 4 posts.
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Old 05-05-2016, 09:57 PM   #30
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The tag is great for crosswind stability and payload capacity. Tire cost? A factor, but you can't have too many tires (or too much horsepower).

Steerable tag to me is a marketing ploy. When do you ever turn a big rig in an actual "radius"? If you did that in a tight spot, or a right turn at an intersection with a curb or stop sign, you are going to hit something! The beast pivots on the rear wheels so you have to pull it out far enough to get the pivot point in the right spot, then swing the nose thru the turn. At that point front wheel cut, and wheelbase of the bus are the controlling factors, and you can dump the tag to reduce tire scuffing. The same principles work when backing as well.

Get the tag, you will not regret it.

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Old 05-06-2016, 06:28 AM   #31
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Originally Posted by MarkofSJC View Post

One other benefit not mentioned...Another pair of brakes! And I'm told traction control is much more effective.

So you are saying on an equal size and capacity FL chassis that the steerable tag axle has brakes and the fixed does not?
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Old 05-06-2016, 07:01 AM   #32
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Originally Posted by az99 View Post
So you are saying on an equal size and capacity FL chassis that the steerable tag axle has brakes and the fixed does not?
Every axle has brakes. The addition of a tag axle gives you two more.
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Old 05-06-2016, 10:22 AM   #33
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have modi

I have modified the control of our tag axle. It will dump when below 20 mph "IF" I have the directional lights or 4 way flashers on or when backing up. They do not dump when just stopping. The "Dump tag" switch has been reprogrammed to "inflate" the tag. I can dump the tag when below 20 mph by touching the directional lever and re-inflate them with the "dump tag" switch. Two led lights come on when the tag is dumped. When I pull a 12,000# trailer with a 1500# tongue weight, the steer axle weighs 14,600#(15,600# rating). When the tag is dumped the steer axle drops to 13,800# for less scrubbing of the steer tires and tag tires when turning. After 35,000 miles, I can see no scrubbing wear in the tag tires. To the OP, you have read several opinions of the benefits of a tag. IMHO, the benefits of better handling, more load capacity, two more brakes and better weight distribution far out weight the cost of two tires every eight years and a slight loss of storage capacity.

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