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Old 06-26-2013, 10:56 PM   #15
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Originally Posted by Cat320 View Post
I have an 8 KW Onan. The manual says it burns:

- .13 GPH at no load.

- .49 GPH at half load.

- 1.02 GPH at full load.
Our Power Tech 8.0 diesel uses
25% .25 GPH
50% .36 GPH
75% .54 GPH
100% .72 GPH

3 cyl Kubota engine.

2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft
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Old 06-27-2013, 07:06 AM   #16
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Posts: 211
Thanks for al the comments. Given that we have pets and my DW does not like to be hot we will definitely be running the generator and coach air this trip.


2001 Cruisemaster/300 Cat/2011 Hyundai Elantra Touring/Acme Tow Dolly
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Old 06-27-2013, 01:22 PM   #17
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Originally Posted by Mr_D View Post
Our Power Tech 8.0 diesel uses
25% .25 GPH
50% .36 GPH
75% .54 GPH
100% .72 GPH

3 cyl Kubota engine.
X2 and we love it. Perfect match for our coach...
2003 Newmar Kountry Star 3905, Freightliner XC chassis with CAT 330. Winnie the black lab, pretty Airbus captain wife, retired airline pilot with 11 grandkids. UH-1 pilot (Huey) U.S. Army 1967-1983. RVN 68-69. Northern Idaho my summer home.
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Old 06-27-2013, 01:40 PM   #18
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I run the dash ac and keeps the whole MH pretty cool, no need to run generator
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Old 06-28-2013, 09:53 PM   #19
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Posts: 884
Originally Posted by Rusty years View Post
...As far as MPG, I would think that using the engine air would take hp, reducing performance and reducing MPG.
I don't notice any difference in performance when the dash AC is on. The MPG may change slightly but I've never checked it and don't care.

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