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05-11-2015, 09:59 PM
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#21
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Rivet Master 
2013 30' Classic
Greenwood
, Mississippi
Join Date: Oct 2012
Posts: 12,111
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Quote:
Originally Posted by SteveH
An '85 34' has an 8,900# GVWR.
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I don't get the math on that. Generally trailer GVW is cut and dried- x# axle x 1, 2, or 3.
There are only a few axle weights- 3,500# 5,000#, and 7,000#, etc.
8,900 doesn't divide by 3 and equal a round number.
Sent from my iPhone using Airstream Forums
__________________
2013 Classic 30 Limited
2007 Silver Toyota Tundra Crew Max Limited 5.7 iForce
2006 Vivid Black Harley-Davidson Road King Classic
1999 Black Nissan Pathfinder LE
TAC #MS-10
WBCCI #1811, Region 6, Unit 56
Airforums #70955
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05-11-2015, 10:02 PM
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#22
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Rivet Master
2013 30' Classic
Greenwood
, Mississippi
Join Date: Oct 2012
Posts: 12,111
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2,966.67# axles?
Hmm...
I would think three 3,500# axles for a GVW of 10,500#, but I wouldn't think those trailers would weigh anything near 8,900 dry weight.
Sent from my iPhone using Airstream Forums
__________________
2013 Classic 30 Limited
2007 Silver Toyota Tundra Crew Max Limited 5.7 iForce
2006 Vivid Black Harley-Davidson Road King Classic
1999 Black Nissan Pathfinder LE
TAC #MS-10
WBCCI #1811, Region 6, Unit 56
Airforums #70955
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05-11-2015, 10:09 PM
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#23
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Rivet Master
1969 29' Ambassador
brooksville
, Florida
Join Date: Nov 2008
Posts: 1,270
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We pull our 29" ambassador with my 2006 f150. It has the 4.6 v8, and honestly it feels underpowered. My next truck will be f250/350 or 2500 ram. Used truck prices for 250 or 350 are close so not sure what I'll end up with, I'm still dreaming...
__________________
Not all those who wonder are lost.
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05-11-2015, 10:27 PM
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#24
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:SPACE A" S/O 11 Air19745
2006 34' Classic S/O
Fort Worth
, Texas
Join Date: Feb 2007
Posts: 1,766
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Look up the axle weight rating at airstream.com/service/partmanuals. The axles are listed there. My '06 has 3 3800# axles for a gross weight of 11,500#.
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05-12-2015, 06:32 AM
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#25
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Rivet Master
2005 39' Land Yacht 390 XL 396
Common Sense
, Texas
Join Date: Sep 2007
Posts: 5,319
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Quote:
Originally Posted by m.hony
I don't get the math on that. Generally trailer GVW is cut and dried- x# axle x 1, 2, or 3.
There are only a few axle weights- 3,500# 5,000#, and 7,000#, etc.
8,900 doesn't divide by 3 and equal a round number.
Sent from my iPhone using Airstream Forums
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I got the GVWR from Airstream specs, not from axle ratings.
__________________
Regards,
Steve
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05-13-2015, 12:39 PM
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#26
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Rivet Master
2013 30' Classic
Greenwood
, Mississippi
Join Date: Oct 2012
Posts: 12,111
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How does Airstream arrive at GVW#?
I thought it was pretty cut and dried-
Axle rating x number of axles.
Some gooseneck trailers are rated differently because they take into consideration the part that is in the truck bed- a gooseneck trailer could be rated 16,000# even though it has two 7,000# axles. Generally bumper pull trailers are cut and dried.
Hmm...
Sent from my iPhone using Airstream Forums
__________________
2013 Classic 30 Limited
2007 Silver Toyota Tundra Crew Max Limited 5.7 iForce
2006 Vivid Black Harley-Davidson Road King Classic
1999 Black Nissan Pathfinder LE
TAC #MS-10
WBCCI #1811, Region 6, Unit 56
Airforums #70955
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05-13-2015, 01:44 PM
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#27
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Rivet Master
2005 39' Land Yacht 390 XL 396
Common Sense
, Texas
Join Date: Sep 2007
Posts: 5,319
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Quote:
Originally Posted by m.hony
How does Airstream arrive at GVW#?
I thought it was pretty cut and dried-
Axle rating x number of axles.
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I think that's a question better asked of Airstream. Don't shoot the messenger.
__________________
Regards,
Steve
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05-13-2015, 02:06 PM
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#28
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Rivet Master
1999 34' Excella
Currently Looking...
Hillsboro
, Texas
Join Date: Feb 2013
Posts: 6,408
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Quote:
Originally Posted by SteveH
I think that's a question better asked of Airstream. Don't shoot the messenger.
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..yeah.. and I don't see 10% on hitch tongue weight being a big hit on the overall axle capacity... just look at the ranges they offer.... 
While the 'weights and balance' is not as 'critical' as with aircraft... but still quite important, I would replace whatever 'stock' is for your AS... then see if you can add a few degrees of 'down' angle on the axles... that would lift the AS just a little... the new axle(s) plus the lift, perhaps requiring a 'recalibration' of your hitch solution, but should be good after that.
__________________
Peace and Blessings..
Channing
WBCCI# 30676
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05-15-2015, 07:56 AM
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#29
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2 Rivet Member 
2014 27' FB International
Longview
, Texas
Join Date: Aug 2014
Posts: 47
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Has gotta agree with CentralAir... In fact pulling a 27FB Inbternational I just got rid of a 5.7 Tundra Limited and put it behind a dodge ram 2500. Not that the Trundra would not pull it, just not very well besides the 8 miles per gallon it used going 65 mph. simply did not feel conformable with it. Considering your curb weight empty of that trailer is roughly 8900 and my 27 is 5800 i would certainly do no less than a 3/4 with weight distribution and sway hook up. Then again that is just me.
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05-15-2015, 08:35 AM
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#30
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Rivet Master
2005 39' Land Yacht 390 XL 396
Common Sense
, Texas
Join Date: Sep 2007
Posts: 5,319
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Posted this on another thread this morning, and I think it's just a relevant here:
"You can pull any Airstream ever built with VW bug, but at what safety margin, what reliability, what performance level, and what comfort level?
It's something the user has to decide."
__________________
Regards,
Steve
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05-15-2015, 12:04 PM
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#31
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Rivet Master
2013 30' Classic
Greenwood
, Mississippi
Join Date: Oct 2012
Posts: 12,111
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Quote:
Originally Posted by Wayne Clamp
Has gotta agree with CentralAir... In fact pulling a 27FB Inbternational I just got rid of a 5.7 Tundra Limited and put it behind a dodge ram 2500. Not that the Trundra would not pull it, just not very well besides the 8 miles per gallon it used going 65 mph. simply did not feel conformable with it. Considering your curb weight empty of that trailer is roughly 8900 and my 27 is 5800 i would certainly do no less than a 3/4 with weight distribution and sway hook up. Then again that is just me.
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My experience with my Tundra and 30' Classic has been a little more favorable than that. I feel totally comfortable with my rig and have gotten as good as 13 mpg and get 12 mpg regularly. 10 mpg on the low side on a windy day.
Granted, I seldom ever exceed 60 mph. 65 is absolutely top speed for me, and would be top speed even in a 3/4 diesel.
Love my Tundra.
2nd choice, if I felt I had to, would be a GM Duramax/Allison.
The Tundra still has bigger back doors that open wider and more room in the back seat and the Tundra turns tighter, allbeit that may be because it is a 1/2 ton.
Sent from my iPhone using Airstream Forums
__________________
2013 Classic 30 Limited
2007 Silver Toyota Tundra Crew Max Limited 5.7 iForce
2006 Vivid Black Harley-Davidson Road King Classic
1999 Black Nissan Pathfinder LE
TAC #MS-10
WBCCI #1811, Region 6, Unit 56
Airforums #70955
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