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Old 02-02-2016, 09:52 PM   #1
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Cummins 6.7 Mileage towing?

Just got an 2009 ram3500 mega cab with 6.7 Cummins 3:73 4X4, wondering what mileage I can plan on in rocky mountain states towing a 36' 16000lb 5er?

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Old 02-06-2016, 05:28 PM   #2
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All depends on weight, frontal area of camper, your foot. No way to accurate answer you. Also the amount of stuff you carry. When I had the LDT we got less with the Teton, 21k, vs the DRV, 17k. Really if you have to ask, please forget it and enjoy yourself.

2006 Mobile Suites 32TK3 SOLD 2003 Teton Grand Freedom, 2006 Freightliner Centry 515 hp Detroit 60 Traveling USA welding pipe
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Old 03-05-2016, 12:48 AM   #3
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I don't know about the mileage, but you will be VERY happy that you got the Cummins to travel through the Rockies.
2014 RAM CTD 6.7 Auto CC LB
2015 Forest River Rockwood Signature Series Ultra Lite 8289WS w/ Diamond pkg.
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Old 03-09-2016, 05:31 PM   #4
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10 to 11 mpg will be real close.
2015 Silverback 29RE, 2016 Ford F-350, 4x4, SWB, CC 6.7 Diesel, B&W turnover ball with B&W 4" extender.
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Old 04-17-2016, 10:43 AM   #5
Widows Son
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Towing I get 12-14 depending on my foot. Empty I have gotten 21-22 from Delta Co. to Denver and back over Floyd Hill, Eisenhauer and Vail Pass.
2014 Dodge Ram 3500, Long-Bed, Crew Cab, DRW, CTD, Aisin, 3.73, Appliance White, Curt Q20
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Old 08-02-2018, 05:20 PM   #6
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Pulling my 2019 cedar creek champagne 38el I get between 9-11 running 70 with a 2017 ram dually has in Florida.
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Old 08-03-2018, 04:32 PM   #7
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Generally, if you estimate your fuel stops, budget on approx. 10-MPG you'll be close. Sometimes a little disappointed, sometimes mildly pleased. Out west prevailing winds can play a major factor as opposed to relatively short road grades. Those wind-farms are there for a reason.

Happy trails.

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