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09-23-2018, 08:29 AM
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#1
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Senior Member
Join Date: Feb 2013
Posts: 1,216
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37AP vs. 45' Bus Driveability
Have any of you guys driven the 37 single axle vs. the 45 tag axle buses?
Wife wants the 37' (actually 39') and I want the 45'. Driveability is my main concern with the 37' having 24K on the single axle. That is overweight in some states.
Unfortunately I am the type driver that wants to be there yesterday and if it takes a 1,000 mile + drive, I just get it done.
I don't want to be in something that I am fighting all day. I would really like a 40' with tag but they don't have one.
Thanx
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09-23-2018, 08:34 AM
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#2
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Community Moderator
Join Date: Aug 2011
Posts: 6,186
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37AP vs. 45' Bus Driveability
Quote:
Originally Posted by az99
I would really like a 40' with tag but they don't have one.
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Newmar makes 40’ tags
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09-23-2018, 09:25 AM
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#3
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Senior Member
Tiffin Owners Club
Join Date: Oct 2011
Location: The Ozarks
Posts: 1,566
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40 ft tag with side rad (Dutch Star and above) doesn't leave much basement storage space. If I was lookin that way, it would have to be a 45 footer. just sayn
__________________
Ret. Military/Corporate Pilot
Summers in the Ozarks-Winters in the Keys
Allegro Bus 36QSP
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09-23-2018, 10:07 AM
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#4
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Senior Member
Fleetwood Owners Club Ford Super Duty Owner
Join Date: Jun 2012
Location: SoCal
Posts: 15,749
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24k on single axle - overweight in some states. Please help to understand? Which states?
__________________
Vince and Susan
2011 Tiffin Phaeton 40QTH (Cummins ISC/Freightliner)
Flat towing a modified 2005 Jeep (Rubicon Wrangler)
Previously a 2002 Fleetwood Pace Arrow 37A and a 1995 Safari Trek 2830.
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09-23-2018, 12:07 PM
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#5
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Senior Member
Join Date: Feb 2013
Posts: 1,216
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Quote:
Originally Posted by vsheetz
24k on single axle - overweight in some states. Please help to understand? Which states?
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In addition to Bridge Formula weight limits, Federal law states that single axles are limited to 20,000 pounds, and axles spaced more than 40 inches and not more than 96 inches apart (tandem axles) are limited to 34,000 pounds. Gross vehicle weight is limited to 80,000 pounds (23 U.S.C. 127).Jun 20, 2018
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09-23-2018, 12:09 PM
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#6
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Senior Member
Join Date: Feb 2013
Posts: 1,216
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Quote:
Originally Posted by skypilot_1
40 ft tag with side rad (Dutch Star and above) doesn't leave much basement storage space. If I was lookin that way, it would have to be a 45 footer. just sayn
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Thanx. I knew that Newmar had them but I was talking about Tiffin .
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09-23-2018, 06:12 PM
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#7
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Member
Join Date: Mar 2009
Location: Ohio
Posts: 66
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If the 45ft has Power Glide chassis you will be very happy as to the handling and drivability. I have a Allegro Bus 45OPP and easy to drive and I enjoy being behind the wheel.
__________________
2018 Tiffin Allegro Bus 45OPP
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09-23-2018, 07:53 PM
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#8
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Director of Partnerships
Official iRV2 Sponsor
Join Date: Nov 2014
Location: Ft.Worth, TX.
Posts: 838
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If you can afford it, go big.
__________________
2015 Tiffin Phaeton 42LH - All Electric w/tag & RettroBands
2016 Jeep Wrangler Unlimited Sport w/mods
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09-23-2018, 08:06 PM
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#9
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Senior Member
Fleetwood Owners Club Ford Super Duty Owner
Join Date: Jun 2012
Location: SoCal
Posts: 15,749
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Quote:
Originally Posted by az99
In addition to Bridge Formula weight limits, Federal law states that single axles are limited to 20,000 pounds, and axles spaced more than 40 inches and not more than 96 inches apart (tandem axles) are limited to 34,000 pounds. Gross vehicle weight is limited to 80,000 pounds (23 U.S.C. 127).Jun 20, 2018
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So coach builders are providing units illegal to be driven around. Interesting.
__________________
Vince and Susan
2011 Tiffin Phaeton 40QTH (Cummins ISC/Freightliner)
Flat towing a modified 2005 Jeep (Rubicon Wrangler)
Previously a 2002 Fleetwood Pace Arrow 37A and a 1995 Safari Trek 2830.
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09-23-2018, 09:00 PM
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#10
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Registered User
Join Date: Sep 2014
Location: Tucson
Posts: 1,419
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Look for the floorplan you like first and foremost. I drive everything from Class B to 45 DP at work. Comparing a 37 to a 45 isn't, to me, that much of a difference. The 45 feels heavier but I can't really tell if it's 37' or 45' behind me.
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09-23-2018, 09:54 PM
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#11
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Senior Member
Newmar Owners Club
Join Date: Mar 2011
Location: Draper, UT / Palm Springs, CA
Posts: 379
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See the attachment below. The law for 20,000 pounds on a single axle was changed in 2012 to allow motorhomes the same 24,000 pound axle limit as buses.
__________________
Tad & Carol
2024 Entegra Anthem 44D
2020 Jeep Wrangler Rubicon Unlimited
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09-23-2018, 10:05 PM
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#12
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Senior Member
Join Date: Sep 2007
Location: Grasonville, MD -- Golden, CO
Posts: 6,222
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Quote:
Originally Posted by az99
Have any of you guys driven the 37 single axle vs. the 45 tag axle buses? Yes
Wife wants the 37' (actually 39') and I want the 45'.
Driveability is my main concern with the 37' having 24K on the single axle. That is overweight in some states.
Unfortunately I am the type driver that wants to be there yesterday and if it takes a 1,000 mile + drive, I just get it done.
I don't want to be in something that I am fighting all day. I would really like a 40' with tag but they don't have one.
Get a good tag axle - then you just need to be sure it is aligned correctly then with the Extra CCC it will be a joy to Drive
Thanx
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I settled on a 43' Coach and it is a pleasure to drive or Live in.
Best of Luck,
__________________
Busskipper
Location - Grasonville, Maryland - and/or - Superior, Colorado
2005 Travel Supreme 42DS04 - GX470 Toad
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09-23-2018, 10:22 PM
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#13
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Senior Member
Country Coach Owners Club Solo Rvers Club iRV2 No Limits Club
Join Date: May 2011
Location: Vancouver, WA
Posts: 37,725
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Quote:
Originally Posted by az99
In addition to Bridge Formula weight limits, Federal law states that single axles are limited to 20,000 pounds, and axles spaced more than 40 inches and not more than 96 inches apart (tandem axles) are limited to 34,000 pounds. Gross vehicle weight is limited to 80,000 pounds (23 U.S.C. 127).Jun 20, 2018
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However, they changed that for RV's a few years ago and I know 24,000 is legal in all states.
My rig had a 20,000# front axle, a 20,000# drive and a 14,000 tag. However, the tag on my drive axle says it's a 25,000# axle, even though I can legally only load it to 24,000#'s. Still gives me a 59,000# GVWR.
__________________
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft, HWH Active Air
Charter Good Sam Lifetime Member, FMCA,
RV'ing since 1957, NRA Benefactor Life, towing '21 Jeep JLU Rubicon Ecodiesel
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09-24-2018, 03:40 AM
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#14
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Senior Member
Join Date: Feb 2013
Posts: 1,216
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Quote:
Originally Posted by tqqest
See the attachment below. The law for 20,000 pounds on a single axle was changed in 2012 to allow motorhomes the same 24,000 pound axle limit as buses.
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Thanx that is good to know. I knew there had to be some type of exemption for them to build that way.
Still a lot of weight on 1 axle.
Some racers with bigger trailers and a lot of tongue weight on the RV were getting nailed in Ohio IIRC, but that was between 06 and 11.
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