Re: Cummings mileage
[Re: montessa]
#1530649
11/09/13 06:33 PM
11/09/13 06:33 PM
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Joined: Aug 2009
Posts: 2,054 Mooresburg, Tn
'72CudaRacer
top fuel
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top fuel
Joined: Aug 2009
Posts: 2,054
Mooresburg, Tn
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Mine is a '06 3500, Cummins, 4 X 4, auto. Not towing, I get almost 19 mpg as long as I keep the speed around 70, any higher and the mpg drops to approx 17. With a 26' enclosed tag trailer loaded to the max (10,500 lbs), I get about 12-13 mpg, unless I try to run over 70, then it drops to about 10.5-11. There is no lack of grunt here though.
Brian
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Re: Cummings mileage
[Re: montessa]
#1530650
11/09/13 06:35 PM
11/09/13 06:35 PM
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Joined: Sep 2012
Posts: 1,563 Janesville, WI
SpareParts
pro stock
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pro stock
Joined: Sep 2012
Posts: 1,563
Janesville, WI
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CUMMINS When they went to 24v the mpg dropped. My 12v doesn't hesitate to see 24mpg highway with a non lock up converter. My brother's 97 12v will get 28. Both trucks have fuel and turbo mods. ![](/ubbthreads/images/graemlins/spank.gif) Edit we both get around 20 towing kinda heavy and not pussy footing them, they belch smoke from a stop, spool up and GO
Last edited by SpareParts; 11/09/13 06:37 PM.
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Re: Cummings mileage
[Re: montessa]
#1530653
11/09/13 07:08 PM
11/09/13 07:08 PM
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Joined: Jan 2007
Posts: 1,169 MI
68shifter
super stock
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super stock
Joined: Jan 2007
Posts: 1,169
MI
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No. I have a 2013. 6.7L with 3.42's. Empty I get 22 area at 70-75, if I drive 55 I'll get 25. When pulling my 28ft enclosed with cabinets/insulation/car etc.., around 12k I averaged 13.5 from Mi to Pittsburgh. It'll do a bit better on flatter tows. The exhaust brake is phenomenal on the new trucks. Also, you use about 1 gal of DEF per 1000 miles at about $6 a gallon. Just an average though. Good luck. Also good first hand knowledge here too on 2013+ http://www.cumminsforum.com/forum/2013-general-discussion/
Last edited by 68shifter; 11/09/13 08:11 PM.
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Re: Cummings mileage
[Re: 1KoolBee]
#1530655
11/09/13 07:47 PM
11/09/13 07:47 PM
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Joined: Feb 2006
Posts: 698 Alberta Canada
Edge
mopar
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mopar
Joined: Feb 2006
Posts: 698
Alberta Canada
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2009 6.7 litre with 6 speed auto 12 towing car trailer , will do 22 on the highway at 65. Had a 5.9 12 valve with a manual was a little better but not all that much. I have had 7 diesel pickups going all the way back to the first cummins in a pickup ( that was a gutless wonder) and none of them ever managed to get the mileage I heard claimed by others. On the flip side I did own a hemi ram and that was a pretty thirsty vehicle especially towing made the diesel seem like an economy car.
76 Duster
work in progress
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Re: Cummings mileage
[Re: DodgeCharger]
#1530657
11/09/13 09:14 PM
11/09/13 09:14 PM
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Joined: Sep 2009
Posts: 1,805 ky hills
thehemikid
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top fuel
Joined: Sep 2009
Posts: 1,805
ky hills
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Previous owner (somewhere in its life) abused 96, 3500, 46re, ext.cab, long bed, 4x4, 280k, stock exhaust with catalytic converter(may be nothing left in there, don't know), & no motor mod's. Tires are taller than stock though.
My 1st pull was with a 28' inclosed with car. Not knowing what speed would give the best mpg, doing ~65-70 I got ~10 mpg. I was hoping for 12. I could feel the wind pushing hard on the flat nose of the trailer. Maybe I had a head wind too, don't remember.
This yr had a chance to check it empty, on a trip 20.7, that surprised me a little.
To town & around & back, don't know.
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Re: Cummings mileage
[Re: thehemikid]
#1530658
11/09/13 09:27 PM
11/09/13 09:27 PM
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Joined: Nov 2004
Posts: 4,330 Lynchburg, VA
Leon441
master
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master
Joined: Nov 2004
Posts: 4,330
Lynchburg, VA
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2005 Dually 18 highway empty and 11 towing a loaded gooseneck.
With some tricks it gets 23 highway and 14 towing.
I have been around some of the high mileage claiming people too. They seem to always have excuses when we are traveling together.
I am perfectly happy with a 7,600 lb truck that will run like stink getting 23 and pull like crazy and get 14.
Leon
Career best 8.02 @ 169 at 3050# and 10" tires small block power.
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Re: Cummings mileage
[Re: thehemikid]
#1530659
11/09/13 09:29 PM
11/09/13 09:29 PM
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Joined: Sep 2012
Posts: 1,563 Janesville, WI
SpareParts
pro stock
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pro stock
Joined: Sep 2012
Posts: 1,563
Janesville, WI
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Quote:
Previous owner (somewhere in its life) abused 96, 3500, 46re, ext.cab, long bed, 4x4, 280k, stock exhaust with catalytic converter(may be nothing left in there, don't know), & no motor mod's. Tires are taller than stock though.
My 1st pull was with a 28' inclosed with car. Not knowing what speed would give the best mpg, doing ~65-70 I got ~10 mpg. I was hoping for 12. I could feel the wind pushing hard on the flat nose of the trailer. Maybe I had a head wind too, don't remember.
This yr had a chance to check it empty, on a trip 20.7, that surprised me a little.
To town & around & back, don't know.
Now do some fuel mods and get more mpg. 12v > 24v
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Re: Cummings mileage
[Re: thehemikid]
#1530660
11/09/13 09:29 PM
11/09/13 09:29 PM
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Joined: Apr 2005
Posts: 2,128 Salt Lake City
camastomcat
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top fuel
Joined: Apr 2005
Posts: 2,128
Salt Lake City
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I would never own a gas rig again for towing. Mine gets 15-17 around town and highway, 8.5-11 towing a 40' aluminum goose neck, chipped, exhaust, intake, stock tires and wheels. I tow around 75-80mpg but have tried to haul slower, doesn't much matter. It's a 2004.5, 3500 dually, and I laugh at people who quote 20+MPG, it's BS in my opinion. Every time I get in somebody's rig that gets that kinda mileage, it doesn't. Great power though and long living if you take care of them....
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Re: Cummings mileage
[Re: Eric]
#1530662
11/09/13 10:32 PM
11/09/13 10:32 PM
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Joined: May 2003
Posts: 1,751 Graham, WA
Polarapete
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top fuel
Joined: May 2003
Posts: 1,751
Graham, WA
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My Cummins was a 2002 with HO and 6 speed manual. I averaged 17 in mixed mostly city driving. Pulling an 8,000# trailer on the highway it would do 13. I had the gauges (EGT and boost) and 4" stainless exhaust. PO had installed different injectors, a South Bend clutch and I had a timing kit that I never felt the need to install. If you can afford the maintenance, go for it, every man needs to own a locomotive once in his life ![](/ubbthreads/images/graemlins/smile.gif) I loved it. Would I own another? Only if I needed the power every day and would use it like they should be used ![](/ubbthreads/images/graemlins/Twocents.gif)
1986 Dodge Ramcharger 440 2wd, Bracket Racer Under Construction 1998 Ram 2500 QuadCab, new daily driver. 2008 Honda Element 2014 Carry-On 7x14 Cargo Trailer
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Re: Cummings mileage
[Re: montessa]
#1530667
11/10/13 12:32 AM
11/10/13 12:32 AM
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Joined: Jan 2003
Posts: 554 Mesa , Az
Jambbii
mopar
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mopar
Joined: Jan 2003
Posts: 554
Mesa , Az
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I am not sure if I believe some of these mileage claims but once you go Cummins you will not regret it. My 06 gets and average of 16.5 making a tick over 500hp at the rears and will still get about 12-13 towing 10k.
Josh
70 Challenger 1960 Town Wagon P Pump 24v cummins project 06 Mega 3500 Drw 2wd 12 Durango R/T 18 Power Wagon 67 A100
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