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Old 09-23-2018, 08:29 AM   #1
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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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Old 09-23-2018, 08:34 AM   #2
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37AP vs. 45' Bus Driveability

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Originally Posted by az99 View Post
I would really like a 40' with tag but they don't have one.

Newmar makes 40í tags

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Old 09-23-2018, 09:25 AM   #3
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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
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Old 09-23-2018, 10:07 AM   #4
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24k on single axle - overweight in some states. Please help to understand? Which states?
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Old 09-23-2018, 12:07 PM   #5
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24k on single axle - overweight in some states. Please help to understand? Which states?
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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Old 09-23-2018, 12:09 PM   #6
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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
Thanx. I knew that Newmar had them but I was talking about Tiffin .
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Old 09-23-2018, 06:12 PM   #7
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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.
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Old 09-23-2018, 07:53 PM   #8
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Old 09-23-2018, 08:06 PM   #9
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Quote:
Originally Posted by az99 View Post
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
So coach builders are providing units illegal to be driven around. Interesting.
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Old 09-23-2018, 09:00 PM   #10
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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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Old 09-23-2018, 09:54 PM   #11
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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.
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Old 09-23-2018, 10:05 PM   #12
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Quote:
Originally Posted by az99 View Post
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
I settled on a 43' Coach and it is a pleasure to drive or Live in.

Best of Luck,
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Old 09-23-2018, 10:22 PM   #13
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Quote:
Originally Posted by az99 View Post
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
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.
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Old 09-24-2018, 03:40 AM   #14
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Quote:
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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.
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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