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Tires, Wheels, Brakes, Steering and Suspensions Discussion of preventative/corrective maintenance and other technical issues regarding your coach's Tires, Wheels, Brakes, Steering and Suspensions and related components.

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  #1  
Old 10-08-2014
Gannet Gannet is offline
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Default Explain to me about Wanderlodge tag axles

I searched both here and on teh Interwebs and I couldn't find an answer to this.

I saw mention that Wanderlodge tag axles generally weren't liftable. True? If so, does that cause low-speed steering issues?

I also saw some mention of steerable(!) tag axles. What's that about?

And finally, I note that Wanderlodges tend to have tag axles in coaches rather smaller than where SOBs start having tag axles. What's the reason for this? Is it because Blue Birds are heavier than others?
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Old 10-08-2014
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Tag axles are always for weight. Typical Birds with Tags have weights starting at 45,000 lbs, and you aren't going to run that on two axles. While they aren't liftable and most don't steer, you can dump the air bag pressure on the tag and it will skid with minimal scrubbing, even on asphalt.
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Old 10-08-2014
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I once read in a post where someone dumps both the Suspension and Tags, then airs up the Suspension to get the Tags up or less pressure on the ground.
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Old 10-08-2014
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Labrador Labrador is offline
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As a general rule the maximum gross vehicle weight a 2 axle vehicle can have is 33,000lbs. Any weight over that amount requires more axles.
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  #5  
Old 10-08-2014
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Quote:
Originally Posted by GregBryantSr View Post
I once read in a post where someone dumps both the Suspension and Tags, then airs up the Suspension to get the Tags up or less pressure on the ground.
Not sure why you would do that. I only have experience with one tag-axle coach, but I can say with certainty that just dumping the tag took the pressure off the ground on that axle in just a few seconds.
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Old 10-08-2014
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I also presume that is why Blue Bird provided a pressure gauge for the tag axle, but not for the other axles, so you would have a visual indication of the status.
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Old 10-08-2014
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I agree with Don... when I got my coach I would always dump my tag air if I was backing up... now I don't worry about it... I still back up but I replace my TAG tires every 5 years... my steer tires become my TAG and all the others are replaced... it a cost of peace of mind and it works for me
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Old 10-08-2014
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Randy Dupree Randy Dupree is offline
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Gannet.
none of the tag axle coachs had a lifting axle until 97 (i think),a few 98's and maybe a few 99's had a lifting axle.
Well,there was a 1984 with a lifting tag axle,just one.
And i did the conversion,just for fun!

Then,there was a few dozen coachs with a steering tag axle,most were 2000 models,not sure if any were built in 99 or 2001.
A lot of the steering axles were disabled,there was some trouble with a few and then panic set in.
I have a steering axle on my 2000 and i love it,at first i was nervous about it,but an afternoon laying under the coach sorting it out in my mind has made me like it very much.

The engines used in the Birds was way bigger than most tag axle SOB's,heavier too.
The tag axle helped support that extra weigh,and smoothed out the ride on the old expansion joint roads (remember them?).
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Old 10-08-2014
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I drove a 43' 1999 LXi with liftable tag and, I believe, steerable. I loved that the tag would lift off the ground when backing around and having to make a tight parking lot turn. The reason I thought it was a steerable tag was that it seemed to cut a radius tighter than my WB40 when backing into a spot.
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Old 10-08-2014
al perna al perna is offline
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Neal ,

I could be wrong , but I do not think the steerable or lift tag would make a turn any tighter . It will reduce uneven wear on your tag axle tires but, I do not see how it would change the pivot point of a turn .
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