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Old 09-21-2010, 06:08 PM   #1
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V10 pulling power vs. Diesel

We are looking to get a used MH that will pull the race trailer. With 2 bikes, tools etc. it weighs 5250 lbs. Been looking at DP's as the prices seem to be coming down to a level we might be comfortable at but most are in the early 90's and have no slide, manditory according to DW. I have thought that the Ford V10 was fine for a Class C but when you put it in a Class A with the increased weight of the coach and then adding the trailer on the back it would be too much for it or the mileage would suffer greatly.
Is anyone out there pulling 5000 lbs. with a 36-38 ft. V10 powered rig? What kind of mpg. are you getting. We leave early enough so that we can run at about 62 MPH most of the time.
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Old 09-21-2010, 06:31 PM   #2
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v10 in a c is a 2 valve
in an a its a 3 valve about 60 m0re hp
my jeep weighs 3700 #s and it pulled fine with my c
i now have an a it it does the job even better
brianj
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Old 09-21-2010, 06:43 PM   #3
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tncruiser is right! E350 and E450 have 2 valves with 305hp and 425/lb torque. The Class A has 3 valves and 365hp.
I pull a trailer with RZR on it, it ways 1400lbs, I have the E350 chassis and it pulls it fine. The steepest mountains it slows to 45mph and 7mpg, flat towing about 9mpg. No trailer on flat highways is 10-12mpg. I have the 2008 Safari 22ft. motorhome.
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Old 09-21-2010, 07:06 PM   #4
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Our 22,000lb F53-based coach only has GCWR of 26,000lb and since ours actually weighs close to 22,000lb we can only tow 4,000lb. Also, the hitch rating is only 5,000lb.

The 20,000lb F53 also has a GCWR of 26,000lb, so it could potentially handle the 5,200lb trailer, but beware that a lot of times coach mfr's will put a 3500lb or 5000lb hitch on them.

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Old 09-21-2010, 07:14 PM   #5
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Diesels have more torque so they should pull better. But they are usually carrying more weight so gassers may out run some diesels. If everything is equal the diesel will out pull a gas engine. One other advantage is alitude. With a gas engine (300HP) you will lose approximate 9 horsepower per 1000 feet above sea level. That will add up. Most diesels are turbocharged so you will not start to lose HP until 7500-9000 feet. Even then the horsepower will not be as great as a gas engine.
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Old 09-21-2010, 08:00 PM   #6
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Opps should have said even then the horsepower loss will not be very much. And not near as much as a gas engine.
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Old 09-22-2010, 05:40 AM   #7
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Check the towing capacity for both rigs. I'm betting the gasser is 5,000 pounds and the diesel is 10,000 pounds. Has to do with the construction of the chassis AND the brakes as much as the engine.
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Old 09-22-2010, 07:11 AM   #8
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pulling

I have had both. I had heard that diesel would pull better and get better gas mileage. After our first diesel (just last year) no compairson-the diesel will way out pull the V-10 and do it with MUCH better gas mileage just my two cents
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Old 09-22-2010, 07:30 AM   #9
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No matter what you end up with, you do not want to pull more than the hitch is rated for, period.
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Old 09-22-2010, 10:11 AM   #10
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Quote:
Originally Posted by tncruiser View Post
v10 in a c is a 2 valve
in an a its a 3 valve about 60 m0re hp
my jeep weighs 3700 #s and it pulled fine with my c
i now have an a it it does the job even better
brianj
It depends on what year. The first generation V 10 was only 275 hp, (up to 1999) the second genration was 310 hp (up to 2004) and the current 3rd generation is 362 hp
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Old 09-22-2010, 05:52 PM   #11
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Horsepower doesn't move the rig..only torque will. Most diesels have nearly twice the torque that a gas engine has and will easily out pull the gassers. Having said that....I do like the lower cost of fuel for gas petrol though. Good luck on your decision.
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Old 09-22-2010, 06:29 PM   #12
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Diesel

Quote:
Originally Posted by JIMJAK View Post
Horsepower doesn't move the rig..only torque will. Most diesels have nearly twice the torque that a gas engine has and will easily out pull the gassers. Having said that....I do like the lower cost of fuel for gas petrol though. Good luck on your decision.
And oil changes, filter changes and general service etc.
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Old 09-22-2010, 06:42 PM   #13
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ahrma175,

My wife and I just moved from Nevada to Louisiana and we did it in our 99' mini winnie 30v (30' w/ Ford V10) with one car, my motorcycle, and alot of household items like double door fridge and stand up freezer, bowflex and king size mattress on our 20' double axle car trailer. While I was probably over weight the V10 did a great job pulling. Only time I was a little worried was taking the back roads around the Grand Canyon. The montains are very steep with sharp curves but again the V10 didnt miss a beat. Granted we were only able to climb some hills at 35 mph but it never hiccuped or farted...lol. I would make the trip again in a heartbeat and not think twice about it.

Toby
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Old 09-22-2010, 07:42 PM   #14
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I tow a 2008 Ford Focus behind our 2000 Bounder 36-S. We average 7mpg on the interstate travelling 65mph. Our motorhome has the 310hp version of the V10. Having owned a diesel truck and fifth wheel before this motorhome, I would second the fact that the diesel will pull much better. However, on our budget, I felt that I could get a newer gas motorhome with more features rather than an older diesel motorhome with less features. You will still get where you want to, it just takes a little longer...
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