globemaster9
Georgia
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Joined: 09/23/2006
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12-13 towing a 34' 5th and 18-20 without. Bear in mind I'm a 55-60mph driver on the highway when towing.
2006 CHEV 2500HD
2006 Forest River Cherokee Wolfpack 295WP
2001 HD Softail Classic
Wife and dog 
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Ray & Cece
Sanford, ME/Texas
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Joined: 03/03/2005
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10-11 towing, 16-18 without. 1999 F-350 4X4 DRW 7.3 Diesel.
2007 HitchHiker DA 32LKTG
Full-time Class of 2005
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portablevcb
Tijeras, NM
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Joined: 05/04/2006
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Very interesting results. We too get 17-18 single and 10 towing (6 worst-11 best). My older MH was 8 on a good day but never went below 6.5, even on high wind or long climbs.
charlie
PS I get better mileage towing when at 70 than 65, less downshifting
2006 Toyota Tundra Crew Cab
2003 Skyline Nomad 24ft Fiver
Me and Wife
Maggie the Old English Sheepdog
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The Tinner
Robbinsdale MN USA
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Joined: 03/03/2004
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10 to 12 towing (at 60mph) 13 to 16 empty (4:30 rear end) depending on long or short trips
2006 F350 4 Door,Super Duty,Diesel,DRW,Tow Boss,Long Box,4x4,King Ranch. 2007 36SKB Escalade,Atwood leveler,disc brakes,lots of other goodies
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glsurrat
Virginia
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Joined: 07/20/2006
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9.5 Towing, 12 in town, 17 on the highway solo.
Towing, my combined weight is around 26,000 lbs. and the trailer is 13 ft 4 in high, so I've got a lot of weight and a lot of wind resistance.
Greg
Full-timing and soon to be retired US Navy Master Chief
Enjoying Champagne on the King Ranch!
'06 King Ranch F-350 Dually Diesel 4x4 Long Bed Crew Cab w/ Tow Boss
'07 Champagne Edition NuWa Hitchiker 3 axle 4 slide 37CKRD /w TrailAir all around
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crusmsl
Farnham, VA. USA
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Joined: 10/16/2004
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Avg. 10 towing, 15-16 on just TV. '04 Ford F-250 SD 4x4, 5.4L Triton
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sclark
Minnesota
Senior Member
Joined: 03/11/2005
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20 22 not towing @ 60 MPH. 12.5 - 13.5 towing at 60 MPH. Good luck.
2004.5 Dodge Cummins
2007 Wildcat 32QBBS
Pair of Honda 2000 Watt generators
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Walldo
Great Falls MT
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Joined: 05/02/2007
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Best towing 10 mpg, best empty 16 mpg
07 3500 GMC CC D/A Dually
07 3612 DS Raptor
06 VN 1600 Nomad
07 Can Am 800 Max
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wa8shc
Parma, Ohio
Senior Member
Joined: 12/11/2003
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12 towing @ 62mph...19-21 empty
(All hand calculated)
Denny WA8SHC and Rita WB8TIR
Siberian Husky Ta'kya (Princess RIP 10/04 Taz RIP 5/12/08)
2007 Dodge Ram 2500 Quad Cab 5.9L CTD 3.73/LSD,Quadzilla RECON monitor
2008 Rockwood 8243S 5th wheel
Pullrite 14K Superglide & MorRyde pinbox
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threelapsdown
CT
Full Member
Joined: 07/01/2004
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I get 7.3 mpg towing, and 11 without. Obviously I'm not driving the truck much these days, just sits in the driveway while I make the payments
Jason
2007 Brookside 299FWBHS 5er
2004 Chevy Silverado 2500HD 8.1 V-8 w/3.73
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