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Old 03-10-2016, 01:36 PM   #31
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I am not towing the weights others are , but my 2012 6.7 gets 14-15 towing a Windjammer ( around 7000lbs ) and can get 21 mpg when empty. Tons of torque and does not run the high rpm range of gassers. Diesel is pricey but I love mine.

Chuck " still in Va "
2012 3065w Windjammer
2012 f250 lariat Crew cab power stroke (of course )
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Old 03-10-2016, 01:48 PM   #32
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I pull a 35 ft 5th wheel with a 2014 6.7 diesel F250. Including a 800 pound motorcycle, I am pulling about 13,000!pounds. When asked about mileage, I always say at what speed. On the highways in Texas especially out west, there are 75 and 80 mph speed limits When I drive 65, I can get about 10 or a little better. However, if I drive 75 or 80, I get about 7 to 8 mph. I have learned to slow down. I do like that the truck pulls the weight at any speed with ease.

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Old 03-10-2016, 01:53 PM   #33
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I don't have a duelly but I do have an F250 diesel with the 6.7L. I tow a 7500# trailer. My true mileage towing ranges between 12 and 14 depending on speed and terrain. I got a very good price on a fleet type vehicle. It was no more than a gasser with bells and whistles. So I guess it depends on where you want to spend the money....bells and whistles or a diesel. I'll take the diesel. I'm too old to learn how to use most of the gadgets they have on cars nowadays anyhow. I love the power of the diesel. The Ford installed brake controller is the best in the business. Ask anyone who has one.
Forest River Flagstaff V-Lite 26 WRB. 2015 Ford F 250 diesel, Hensley Arrow Hitch
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Old 03-10-2016, 02:49 PM   #34
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Old 03-10-2016, 02:55 PM   #35
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I confess I did not read all the posts. I have 2002 F250 V10 gas. Trailer is about 12,000 lbs. I get about 13mpg empty about 6mpg when pulling the trailer. Does great on flat terrain, going uphill a completely different story. I got a great deal on the truck so that is why I bought it. I keep it because most of our trips at the moment are once a month and less than 100 miles each way. A few years from now when I retire (I hope), I will be looking for a diesel.
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Old 03-10-2016, 03:35 PM   #36
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2005 F250 6.0 Diesel 4x4, 2007 Surveyor SV290, 12 on the road pulling it. ~15 city/country, 18 hwy. Not too bad, better than the chevy. (I did love my chevy and still miss it)

Had a '99 Silverado 5.3l gasser, 6 on the road with the surveyor and tranny was busy all the time. The high revs always made me white knuckled. Had it 13 years, hated to see it go.

There is nothing like a diesel for pulling. It's more expensive, but that's their purpose in life.
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Old 03-10-2016, 03:49 PM   #37
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I have F350 with 6.7 srw pulling 15,000# load. Get around 13mpg on fairly flat tow. Hill country get around 8.5mpg.
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Old 03-10-2016, 06:35 PM   #38
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Originally Posted by poofam View Post
What do you get not towing?

I normally see 14-16 (hand calc'd) not towing. I don't have one of the magic 6.7 duallies that can get 18 mpg..............and really doubt they exist. My truck is a driveway queen, under 17,000 miles in 3 years, so I rarely run it unloaded for an entire tank in one scenario (city or highway) without a trailer.
2013 F350 dually
2015 Palomino Puma 351THSS Premier Edition
2015 Nights camped 15
2016 Nights camped 5
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Old 03-10-2016, 07:08 PM   #39
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350 SRW vs 450 DRW

Pulled my 14,400 lbs (weighed on Cat scale) fifth wheel with 2011 F350 SRW with 3.55 rear axle. Flat ground milage was 11.5, Ohio to TN on i75 always netted 10.5.

Same fifth wheel with f450 drw, 4.30 rear axle. Towing milage is identical to the f350 at 65 mph. Big difference though in unloaded milage though. F350 was consistent at 19 mpg on flat ground while the f450 best has been 15.7 this week in FL.

Both were able to maintain 65mph uphill in northern TN on I75. The only reason I changed to the 450 was the 3600 lbs. of pin weight on the rear axle.

You should have no issues with 10,000 lbs and diesel f250.
Nick, Sharon and Finnigan
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Old 03-12-2016, 06:15 AM   #40
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I keep detailed records. Over 25 fill-ups and 4,200 miles I am getting 12.5 mpg. I am pulling a 35' fifth wheel. This includes a trip from Indiana to the Black Hills, Yellowstone, and Estes Park Colorado.

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f250, mpg

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