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M450 (Unique Issues) If you have a unique issue with your M450 model coach and it can't be answered in one of the other forums here, then this is where you can list it.....list your M450 Parts here too. NO DISCUSSION OF ANY OF THE M450 LAWSUITS ALLOWED HERE.

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  #11  
Old 02-15-2012
Stephen Stephen is offline
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Quote:
Originally Posted by Mallie Lennon View Post
I don't know about BB but I have a friend with an 05 Prevost who had an overloaded front axle and made driving a nightmare. The converter solved the problem with 12 inch rims and 10k # rated tires. Looks like the front tires on a concrete truck and it drives like a dream.
I prefer dump truck oops those are 425's
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  #12  
Old 02-15-2012
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Mallie Lennon Mallie Lennon is offline
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David,, with GVW of Newell 64k and I guess Prevost too, Both the tag and steer would have to be rated at 20k. Assuming the drive is maxed at 24k.

Course we all know the federal bridge law limits single axles at 20k and any two axles within 8ft of each other, at 34k. And this law applies to all vehicles, commercial and private.
The only exception to the bridge law that I know of, is buses in regular passenger service, has a max axle of 22,500.
How they get by with the excessive axle weights is beyond me.
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  #13  
Old 02-15-2012
davidmbrady
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Yes, the most current Prevost spec sheet for both the 'Classic X', and 'Modern H' (new names) says:

Gross Vehicle Weight Rating (lb) 54,500
Axle Design Load Capacity - Front (lb) 19,000
Axle Design Load Capacity - Drive (lb) 22,500
Axle Design Load Capacity - Tag (lb) 14,000

The steer axles are getting so heavy that they can no longer be steered without power assist.
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  #14  
Old 02-15-2012
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Mallie Lennon Mallie Lennon is offline
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I was wrong,, Newell does not have a 64,000 GVWR,, but very close.

http://newellcoachsales.com/products...Features-1.pdf

Newell has a GVWR of 63,600.
Front axle gross 20,000.
But get this,,, Drive axle gross 28,600.
And tag of 16,000

Try to get that past the Bridge law!
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  #15  
Old 02-15-2012
dentmac dentmac is offline
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Prevost has the drive capacity of 22,500 due to the fact that the same unit is used for their commercial bus which in some jurisdictions is/was 22,500. In an RV application, 20,000 is the legal maximum (even if the axle is rated at 30,000.)
Newell just simply breaks the rules which are weakly enforced. Except that they are refused entry on some turnpikes that have rolling scales at the tollbooths.
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  #16  
Old 02-15-2012
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Mallie Lennon Mallie Lennon is offline
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Quote:
Originally Posted by dentmac View Post
Prevost has the drive capacity of 22,500 due to the fact that the same unit is used for their commercial bus which in some jurisdictions is/was 22,500. In an RV application, 20,000 is the legal maximum (even if the axle is rated at 30,000.)
Newell just simply breaks the rules which are weakly enforced. Except that they are refused entry on some turnpikes that have rolling scales at the tollbooths.
Thank you Ross,, I thought there might be an exception I did not know about. Hard to believe they continue to build with such over weight and get by with it. Course I guess just about every large motor home exceeds the 20k, single axle.
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  #17  
Old 02-15-2012
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G_man G_man is offline
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Quote:
Originally Posted by Mallie Lennon View Post
David,, with GVW of Newell 64k and I guess Prevost too, Both the tag and steer would have to be rated at 20k. Assuming the drive is maxed at 24k.

Course we all know the federal bridge law limits single axles at 20k and any two axles within 8ft of each other, at 34k. And this law applies to all vehicles, commercial and private.
The only exception to the bridge law that I know of, is buses in regular passenger service, has a max axle of 22,500.
How they get by with the excessive axle weights is beyond me.
Simple:

Axle Weight Exemptions
Over-the-road buses (OTRBs), like traditional transit buses, have been carrying progressively more weight on each axle due to government mandates, the latest being the wheelchair lifts required by the Americans with Disabilities Act and market driven amenities. As a consequence, fully loaded OTRBs approach, and sometimes may exceed, the federal axle weight restrictions of 34,000 lbs. on the tandem axle (with no single axle allowed to carry more than 20,000 lbs.). For example a tandem could be 17,000-17,000, but cannot be 21,000-16,000. Motorcoaches and trucks should not have the same axle weight limits due to the fundamental differences in vehicle design, configuration, and vehicle use. A separate weight limit should be developed for motorcoaches and other passenger carrying vehicles. The current legislation allows the states to exempt motorcoaches from axle weight restrictions on the interstates. Fines are dependent on a number of factors, including how much overweight they are, etc. and could be in the hundreds of dollars.

When Does This Start
Congress granted a temporary axle weight exemption for buses. This is a continuation of language that we obtained previously, and will continue through February 2010.

Again extended.
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  #18  
Old 02-15-2012
dentmac dentmac is offline
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"Course I guess just about every large motor home exceeds the 20k, single axle."
No.
With reasonable loading and full water, fuel., any motorhome should be within legal limits (over ruling axle capacity)
They have increased front axle capacities and distributed loads better. See the new Foretravel 20 front, 20 drive and 14 tag. Spartan and others now offer 20,000 front axles with similar capacities..
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  #19  
Old 02-15-2012
davidmbrady
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This stuff is definitely in a state of flux. Here's an example: a consortium of companies pressuring legislatures to up the max commercial trucking weight limit from 80,000lbs to 100,000lbs:

http://www.bloomberg.com/news/2011-1...nd-trucks.html
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  #20  
Old 02-15-2012
dentmac dentmac is offline
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A motorhome , even a conversion is not classified as a bus. See definitions - This was posted a long time ago and

Stated clearly by recent courts.
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