Good Sam Club Open Roads Forum: DP lengths and Tag Axles
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 > DP lengths and Tag Axles

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FloridaRosebud

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Posted: 12/06/19 02:48pm Link  |  Quote  |  Print  |  Notify Moderator

So, sorry if this is a stupid question, but it won't be my first, nor my last. So at what point does a DP NEED to have a tag axle? I've been told after 40', but I don't know that for sure. We're at Disney and riding around on their DPs, and they are all single rear axle DP. Then a tour bus pulls up and it's a few feet longer but has a tag. Is there a "rule" or is it just about the weight?

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Posted: 12/06/19 03:32pm Link  |  Quote  |  Print  |  Notify Moderator

Generally over 40 foot you’ll find a tag axle.


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Lwiddis

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Posted: 12/06/19 04:21pm Link  |  Quote  |  Print  |  Notify Moderator

In California a tag axle (total three) limits your maximum legal speed to 55.


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CA Traveler

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Posted: 12/06/19 04:22pm Link  |  Quote  |  Print  |  Notify Moderator

Axles are weight limited which is the main factor.


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Bill.Satellite

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Posted: 12/06/19 05:02pm Link  |  Quote  |  Print  |  Notify Moderator

Need is based upon weight and not length.


What I post is my 2 cents and nothing more. Please don't read anything into my post that's not there. If you disagree, that's OK.
Can't we all just get along?

navigator2346

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Posted: 12/06/19 08:40pm Link  |  Quote  |  Print  |  Notify Moderator

No real rule on what length needs a tag. My 40 is non tag and my friends 38 is tag

Ivylog

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Posted: 12/07/19 01:45pm Link  |  Quote  |  Print  |  Notify Moderator

CA Traveler wrote:

Axles are weight limited which is the main factor.

Until around 2002 most DPs could carry the necessary weight on a single rear axle. That’s when multiple slides, tile floors, bigger engines and trannies push the weight over 20,000 lbs and a 10K tag axle was added.
Up until 2012 the weight limit was 20,000 lbs on a single axle but a highway bill changed it to 23K for buses and RVs making it possible to have 42’ DPs on a single rear axle.

Once you’ve on the tag axle, you’ll never go back to a non-tag because of the vastly improved handling and almost unlimited CCC.


This post is my opinion (free advice). It is not intended to influence anyone's judgment nor do I advocate anyone do what I propose.

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chuckftboy

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Posted: 12/07/19 06:51pm Link  |  Quote  |  Print  |  Notify Moderator

There are plenty of 41 foot motorhomes aroumd that don't have a tag, larger are generally tags. Buses don't generally have a lot of weight other than people and if they are locally used there isn't much need to have a tag so I could imagine there are some pretty long single axle buses out ther.e


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JRscooby

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Posted: 12/08/19 04:46am Link  |  Quote  |  Print  |  Notify Moderator

chuckftboy wrote:

There are plenty of 41 foot motorhomes aroumd that don't have a tag, larger are generally tags. Buses don't generally have a lot of weight other than people and if they are locally used there isn't much need to have a tag so I could imagine there are some pretty long single axle buses out ther.e


No weight other than people? LOL. 10 tons is a big load for a single axle truck. Most would be overloaded on the back axle with 6-8 tons. And I bet for the same length bus will be heavier than the truck. In today's America, pick 10 adults at random, you are over a ton. And I would be surprised if you sample came out of average adult bus riders 8 didn't break the ton. Then add their luggage. And unlike freight, people can't be stacked high in the nose to reduce weight on the rear.

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Posted: 12/08/19 11:27am Link  |  Quote  |  Print  |  Notify Moderator

Ivylog wrote:

CA Traveler wrote:

Axles are weight limited which is the main factor.

Until around 2002 most DPs could carry the necessary weight on a single rear axle. That’s when multiple slides, tile floors, bigger engines and trannies push the weight over 20,000 lbs and a 10K tag axle was added.
Up until 2012 the weight limit was 20,000 lbs on a single axle but a highway bill changed it to 23K for buses and RVs making it possible to have 42’ DPs on a single rear axle.

Once you’ve on the tag axle, you’ll never go back to a non-tag because of the vastly improved handling and almost unlimited CCC.


There are some exceptions to that 23,000 lb limit. As an example, The Pennsylvania turnpike has a one axle limit of 22,400lb. And they will turn you back for very minor infractions.

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