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Old 06-25-2016, 08:06 AM   #1
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Tow weight limit on a 2000 Fleetwood Discovery 37V

Hi everyone, I'm a newbe looking for my first motor home and need some advice. A friend has offered me his 2000 Fleetwood Discovery 37V at a very nice price. In reading the Fleetwood brochure, I noticed the hitch rating is only 5000lbs. I would like to occasionally ~ maybe 3-4 times a year pull my 8000lb enclosed car trailer for weekend trips to the races. The longest pulls would be approx 1200 miles each way. Is there a way to upgrade the hitch rating? What are the consequences of exceeding the rating? Any work arounds here?
Thanks, Jim
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Old 06-25-2016, 08:18 AM   #2
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I just downloaded an owners manual and it states that you can pull up to 10000 lbs with a weight distributing hitch which I have. I would assume as long as the GCWR is not exceeded? Is there anyone pulling 8000lbs with a 5.9 liter Cummings? I've read that you can boost the hp and torque with a controller. Any down side to doing that?
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Old 06-25-2016, 08:40 AM   #3
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Quote:
Any work arounds here?
The 2004 Discovery is the first year made with a 10K hitch installed.

But the 2000 37v does have a base weight of 21,400 lb and a GCWR of 31,350 lb
GCWR (Gross Combination Weight Rating): Means the value specified by the motor home manufacturer as the maximum allowable loaded weight of this motor home with its towed trailer or towed vehicle. Towing and braking capacities may differ.

So you may be able to put a 10K hitch on it. Only other problem would be for the ISB with 275 HP and 660 ft lbs torque.

I pull a 4,680 lb toad with mine. But I wouldn't want to try pulling 8K lbs. Unless it was all flat land. And I have the Banks PowerPack(no longer made) on mine.

Have you weighted your trailer fully loaded and ready to travel?
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Old 06-25-2016, 02:50 PM   #4
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Do the numbers...

Tow rating is the lower of:

1. Coach's hitch rating.

2. Coach tow rating.

3. Chassis tow rating (sometimes different than the coach's).

4. The difference in weight between the coach's GCWR and the coach's actual weight when ready to tow.
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Old 06-25-2016, 02:54 PM   #5
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No, I haven't weighed my trailer yet but I bet it is between 7500 and 8000 lbs. it is a 20' Pace and all steel with cabinets and awnings. A tag on it says 4500 lbs. The car weighs 2500 and my tires, tools and spare parts are probably at least 500. The owner says he pulled a 28' Enclosed Featherlite with no problems.
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Old 06-25-2016, 03:00 PM   #6
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I had the same unit. It will do what you want, just not real fast.
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Old 06-25-2016, 03:11 PM   #7
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A couple of things: Carefully check what that particular RV is rated for, don't go by brochures or people's word. There is no way to increase the hitch capacity over what it's been rated for at the factory. Yes, you can weld metal braces until the cows come home, but the rating is based on axle, brake, and power limits.

A 5.9 Cummins can be modified for more torque and horsepower, but the limit you may run against is the transmission torque/HP limits. Burning up a transmission is not a cheap exercise.

Don't go by others that say they pull such a load with the same RV, they belong with fishermen and their catch or a used car salesman's word.

Pulling 8,000 lbs 3-4 times a year for 2,400 miles is not occasional use. I'd look for a more powerful RV rated for that trailer load. I think wear and tear on the unit you can get for a good deal might not be such a good deal in the long run.
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Old 06-26-2016, 12:09 AM   #8
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Quote:
A 5.9 Cummins can be modified for more torque and horsepower, but the limit you may run against is the transmission torque/HP limits. Burning up a transmission is not a cheap exercise.
The Discovery has a Allison MH3060 transmission in it that can take up to 1,200 ft lb of torque. Or twice the 5.9L output.
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