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Old 12-11-2010, 10:04 PM   #1
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Is the 350 HP diesel enough power and torque?

Hi All,
I was looking ahead on a Class A diesel and was wondering if you feel the 350 HP cummins was enought for the Berkshire?
I see the Charleston has the big 425HP Cummins. I know it is a little larger rig so I guess it is designed for more weight.

Under normal conditions it seems that the 350HP get 7-9 mpg which is reasonable. Anyone know about the 425HP MPG?

So like I asked is the 350 HP enough HP and torque for up hills or will I be sorry.
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Old 12-11-2010, 10:31 PM   #2
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Diesel is the only way to go. Lots of torque.
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Old 12-11-2010, 10:38 PM   #3
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Hey Iggy, My 2011 F-250 is 400 hp and 8000 feet of torque, and gets 9.2 mpg. You can see it at the FROG rally.
A Motor Home is a bit different I guess. Good luck with your decision.
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Old 12-11-2010, 10:48 PM   #4
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Hey Iggy, My 2011 F-250 is 400 hp and 8000 feet of torque, and gets 9.2 mpg. You can see it at the FROG rally.
A Motor Home is a bit different I guess. Good luck with your decision.
That alot of torque 8000 or was it 800 f lb of torque, but is one heck of a truck,
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Old 12-11-2010, 10:56 PM   #5
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oooops think my finger hit to many zero's. Man that would be a go getter wouldn't it.
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Old 12-11-2010, 11:15 PM   #6
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IT still a heck of a truck any way you look at it! I have my 05 f350 paid for & on real problem. Oh sorry Iggy kind of got away from your post. I go with the 425 ph cummins. I hear about 1-2 mpg drop. But If there both are under load climbing or in wind there about equal mpg. Just what i heard.
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Old 12-11-2010, 11:30 PM   #7
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We have a Berkshire and tow a Honda CR-V with it. We just went on a trip to South Carolina and climbed some REALLY steep hills towing the car. The RV didn't even break a sweat.

The performance when towing the car is identical to when were not also. I have no idea the car is even there.

The trip we just did was around 1200 miles and we got between 10 and 11 mpg while towing the car. Don't know what it is without the car.
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Old 12-12-2010, 10:13 AM   #8
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Originally Posted by RoamingEngineer View Post
We have a Berkshire and tow a Honda CR-V with it. We just went on a trip to South Carolina and climbed some REALLY steep hills towing the car. The RV didn't even break a sweat.

The performance when towing the car is identical to when were not also. I have no idea the car is even there.

The trip we just did was around 1200 miles and we got between 10 and 11 mpg while towing the car. Don't know what it is without the car.
WOW! That is great MPG with the 350HP. I was just asking to find out if we decide on a Class A or not. Seems the 40ft and larger have a lager engine. I have heard many who get the smaller block decide to upgrade to a larger engine after a few trips. I may be wrong but if I was lucky enough to get 10-11 mpg I would be very happy.

Wonder if your 350HP MPG in your Berkshire is about average for everyone with that engine? Anyone else want to chime in with mpg on your Birkshire?
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Old 12-12-2010, 12:00 PM   #9
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Ours is a 2011 with the DEF system. From the research I did on this system it is supposed to give you a slight bump in fuel efficiency. I also don't drive like a lot of coaches I see blazing by me at 75mph. I usually keep my speed around 65mph.
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Old 12-12-2010, 01:17 PM   #10
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My Berkshire came with a 340hp 640ft lbs of torque. I haven't towed with it but so far, have not had any power issues. I usually travel about 65mph and have been averaging 10mpg.
Hope this helps.
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