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Old 01-15-2019, 08:47 PM   #1
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Diesel Pusher MPG

Looking at 2000 to 2006 Diesel Pushers 36 to 40' long. Being I like to know what I am getting into in advance. Please let me know what MPG you are getting. Please include year, model, length, Cummins or CAT, HP, interstate cruising speed driven. Thanks
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Old 01-15-2019, 08:53 PM   #2
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2002 Newmar 4090 w/Cummins ISC 350 and Banks kit. Around 8 mpg over 47,000. 34,000 GVWR towing a Honda Odyssey
2009 Country Coach Magna 45' Vivaldi w/ISX 650 GVWR of 54,000#'s. 7.7 mpg over 49,000 miles, now towing a CR-V.
Cruise set for 62 on the GPS.
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Old 01-15-2019, 08:58 PM   #3
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2002 Newmar Mountain Aire 40 ft
Cummins 370 ISL
7-8 mpg
Speed 62-65
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Old 01-15-2019, 09:13 PM   #4
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Old 01-15-2019, 09:20 PM   #5
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2002 Holiday Rambler Imperial 38' 370 hp Cummins ISL. 7.9 according to the computer. I will actually calculate it by hand one day.......
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Old 01-15-2019, 09:24 PM   #6
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2000 Newmar Mountain Aire 40' 350HP Cummins pulling a 14' enclosed utility trailer. Running mostly two lane highways that day at 60-65mph.

The only time I bothered to check my MPG it came out to 8.9mpg and I had been bucking a headwind for many miles that day....I was a bit surprised. The previous owner told me that the lowest he got with it was 8 and it sounds like he checked mpg all the time.
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Old 01-15-2019, 09:31 PM   #7
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2005 40ft. Beaver, 34,000# fuel and water. Pulling Grand Cherokee, 5400#. 400hp Cat C-9. 5.5 to 8 mpg, depending on terrain and wind. 65 mph most of the time, sometimes 70.
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Old 01-15-2019, 09:38 PM   #8
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Mileage is not a great when pushing an 8.5' X 12' wall along the highway. I averaged 7.3 over the last 19,xxx miles. Don't know about the next 19-20,xxx miles as i just replaced a broken exhaust manifold last summer.
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Old 01-15-2019, 09:48 PM   #9
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2000Tiffin Allegro Bus 36' Cat 3126 300 hp Allison MD3040 Pulling a 24 ' Trailer with 6500 lbs 65 and 70 on interstate flat and not wind about 6.5 No trailer same speed 8.5 Slow down to 55 and it goes up to about 9.2.
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Old 01-15-2019, 09:57 PM   #10
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2004 40PBT Monaco with 500 HP Cummins driving interstate at 70 mph pulling chevy trailblazer gets 7.2 mpg running generator about half of the time. If I slow down to 60 it goes up 1 mpg.
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Old 01-15-2019, 10:04 PM   #11
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2006 Thor Mandalay with the 400 hp Cummins ISL. 7.4 average mpg over 107,000 miles.

Trips with tailwinds = 8-9 mpg.

Trips with headwinds = 5-6 mpg.

Tow a Jeep Grand Cherokee about 70% of the time.
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Old 01-15-2019, 10:32 PM   #12
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MPG has so many factors involved, every coach is different! And not two drivers drive the same! It is impossible to determine! Two different drivers in the same coach, will get different MPG #'s!
I used to tell people that ask me what the MPG were on my MH, "If you are worried about MPG, you should not get a MH!
All that said, me, being a retired O/O trucker, fuel was my biggest cost, so keeping a accurate MPG figure came right out of my bottom line!
In my present coach,1996 Monaco Windsor, 38', 8.3 manual motor, 3060 Allison, towing a PT Cruiser, running the diesel generator, last trip to Custer, S.D., in constant wind, 8.2 MPG! It was hot, so we ran the generator almost 24 hrs. a day! My old girl has a very good HP to Weight ratio, and with the tricks I have learned over all of the years, in driving the big rigs, I have got as high as 10.2 MPG, and the low was this last trip, at 8.2 MPG! I average around 9.2 for the time I have owned the coach!
Wind will affect the MPG more than any other factor!
No more miles than most people put on your MH a year, the MPG are the least important thing you should be worried about! Maintenance, and upkeep, are the things you should be worried about, when buying a coach, and will be the biggest factor in your bottom line!
Good luck, and don't sweat the small stuff! Rail!
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Old 01-15-2019, 10:54 PM   #13
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Quote:
Originally Posted by Dan104 View Post
Looking at 2000 to 2006 Diesel Pushers 36 to 40' long. Being I like to know what I am getting into in advance. Please let me know what MPG you are getting. Please include year, model, length, Cummins or CAT, HP, interstate cruising speed driven. Thanks
Simple answer, 5-8, done.
Scott
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Old 01-15-2019, 10:54 PM   #14
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2017 Thor Venetian M36, 38ft, 400hp, towing Jeep Cherokee, 70mph Interstate, 8.3mpg
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