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Old 09-05-2016, 06:38 PM   #113
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2009 27' FB International
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2005 dodge 2500 4x4 quad cab 5.9 Cummins diesel with 215k on it 3.73 rear end I get 12-13 at 68-70mph and 13-14 at 65mph. Airstream is 2009 27FB usually at about 7000 lbs.

I get 12-13 as well pulling my 20ft Seacraft boat that has a T-top and weighs with fuel and boat trailer about 3500-4000 lbs.

When I towed a 24 ft car hauler that weighed 10,000 lbs cross country I got 12-14.




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Old 09-06-2016, 05:45 AM   #114
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2014 27' Flying Cloud
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What's your towing MPG?

I'm lucky to get 10 mpg when towing our '14 FC 27FB (with our '12 Ram 3500 6.7 CTD 4x4 CCSB SRW, 3.73 gears, 56 gal. Titan fuel tank). I carry the heavy stuff in the bed of the truck (Weber grille, spare parts & tools, extra spare tires, etc). Of course, we pull a lot of hills between WA. and anywhere else but 10 mpg is what I shoot for. (Have never come up short on power though.)


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Old 09-06-2016, 11:03 AM   #115
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1973 Argosy 24
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24 foot argosy towed by 2000 ford expedition 4x4 5.4l 3.73 gears. At 70 mph I get 12mpg, at 65 I get 13 mpg according to system computer.
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Old 09-06-2016, 11:55 AM   #116
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1972 31' Sovereign
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felton , California
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just got back from Nevada City in Ca, about a 3,000' elevation gain i think . approx 11-12mpg towing my 5,000lbs + gear etc ... 2010 Tundra 5.7 ...
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Old 09-06-2016, 12:00 PM   #117
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1989 29' Land Yacht
Mesa , Arizona
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My 2000 V-10 Ford Excursion average is 9.5 MPG on average roads at 60 MPH Pulling my 1989 28 ft Squarestream
When I pull from PHX AZ to the RIM above Payson it is like 6 MPG in the hills. That is 1200 ft to 7500 ft in about 120 miles with lot of uphill and down hill then up again and again.
BUT has LOTS of power and goes uphill real nice. Nice that gas is only $1,87 today
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Old 09-06-2016, 12:49 PM   #118
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2006 25' Safari
Chattanooga , Tennessee
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Usual average is around 12.5 mpg plus or minus a tenth or two. I tow at 55 to 65 mph. The highest ever recorded towing in 14.3 with everything lightly loaded. Plus cooler temps help diesel mileage.
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Old 09-06-2016, 01:20 PM   #119
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2009 25' FB Flying Cloud
1973 31' Sovereign
Mount Angel , Oregon
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This should make You-All so happy with your TV

We purchased our used tow vehicle, a 2010 Ford F-350 V-10, with the previous owner's claim of 10.5-11 MPG regardless of towing or not. Reality: 7.6-9 MPG towing up / down / all around at 62-68 MPH. This does include Cabbage Hill at 65 MPH. I do drive slower off the interstates, around 55-58 MPH.
Oh yes, towing a 25ft FC, tanks full. It does tow nicely.

Susan
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Old 09-06-2016, 02:02 PM   #120
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2016 30' Classic
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Def mpg

When towing, F350 6.7 SuperDuty diesel with shell, 14K+ miles, and 30' Classic, we get 11- 13 in the East. Haven't been to the West yet.

When not towing, city - 14 MPG or so. Highway - 18 MPG.

But for DEF, We get 895 MPG. Yea Haw.
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Old 09-07-2016, 08:54 PM   #121
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1996 25' Excella
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Boxite QUOTE ["Then along came a decision to get an Airstream a year later, and we've now taken 8 trips with it,...several short ones of a few hundred miles, and two longer ones of a couple thousand, one along the coast and the other up thru the mid-west hills. This has shown me that this engine is fine for level and gentle-hills Interstate, but marginal for the mountains.
I am not someone who is in the habit of changing vehicles every other year. I drive 'em until they're either totally worn-out or they're wrecked, ....so I'll keep it awhile longer in the hopes it can do the job,...but I'm wondering about our plans to drag the AS out West and Northwest. We'll have to see.]"

Interesting, you don't say the size of your unit, but ...you have the 3.92 rear end; I have the 3.55 on my Dakota with the 4.7 and I find it adequate but often wondered if the 3.92 might have been better. I turn 2600 rpm at 60 mph. That would be 2870 at 60 mph with the 3.92, which takes the engine up a notch into its torque rating; HP is entirely adequate...wish for another 25 -50 lbs of torque. I wish the "passing gear" on my "5" speed would hold in longer, but apparently this combination of 2nd gear and OD also drops out the torque converter lock up which generates tons of heat so they limit its use in the programming. I choose this vehicle for its ability to pull the 25 or even a 27, but I also wanted good mileage when not pulling the AS. I can average 20 MPG on flat hwy runs. You're right ...it does the job on Interstate but once the speed drops below 50 the engine needs 2nd or even 1st gear in steep country. I don't live near mountains, but I have done the run north of Lake Superior with plenty of 6 and 7% Grades. Usually if I can get a run at the bottom of the hill and hold revs up around 3000 then I'm good to the top or maybe just finishing up in "passing gear" or 2nd. I've got 225K Kilometers (140K Miles) on the 03 Dakota and plan to do at least another 100K. Then I'll probably be too old to continue Air-streaming any real distance!
JCW
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Old 09-07-2016, 09:08 PM   #122
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2016 25' International
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2015 Jeep Grand cherokee diesel and a 2016 Int 25FB I avg about 18mpg when towing
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Old 09-07-2016, 09:20 PM   #123
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2012 16' International
Jamestown , Rhode Island
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New Ram 2500 Cummins this spring.
Way too much truck for simply towing our 16' Bambi but...well...I wanted a Cummins!
8000 or miles on it now and about 2000 miles towing.
I began recording fuel consumption on Fuelly after about 1000 miles.
So far we have averaged 18.3 mpg overall and about 16 while towing.
It's not even broken in yet!
We will put a bunch of towing mileage this winter as we will be setting off on what will ultimately be a loop of the country.
Bruce

http://www.fuelly.com/car/ram/2500/2...erbeard/423884
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Old 09-07-2016, 10:23 PM   #124
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2003 22' International
South Bend , Indiana
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2013 Ram 5.7 pulling 22 international at 12 MPG in tow mode connected to new 8 speed tranny. 22 MPG highway without camper.


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Old 09-08-2016, 08:27 AM   #125
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Garden Valley , Idaho
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Took great pains to record 2 long trips, 7,000 miles each. Coast to coast, average 8.6 mpg with my 2008 Ford F-250 with the 6.8 V-10 gasser. Never a need for more power and no worries of bad diesel fuel or urea, and I am $8,000 ahead from the difference in a gas engine vs diesel cost.
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Old 09-08-2016, 08:51 AM   #126
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2012 16' International
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Quote:
Originally Posted by pappy19 View Post
Took great pains to record 2 long trips, 7,000 miles each. Coast to coast, average 8.6 mpg with my 2008 Ford F-250 with the 6.8 V-10 gasser. Never a need for more power and no worries of bad diesel fuel or urea, and I am $8,000 ahead from the difference in a gas engine vs diesel cost.
There is no question about the economics!
$8000 buys a lot of fuel. Say at $3.20 a gallon about 2500 gallons to be exact.
That's a lot of driving!
Bruce
P.s. I still love my diesel, even if I never need the power. I just like it!
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