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Old 04-03-2020, 07:50 AM   #1
Join Date: Jun 2019
Posts: 31

I just wanted some opinions on the quality of Fleetwood Discovery. I purchased a 2008 39R on a Freightliner chassis with a 6.7 cummins. It has 34000 miles. Does anyone has any information of the things I should check out or good or bad things they know about this coach ? I plan on changing the belts and hoses which I can already tell is gonna be a nightmare. Is the 6.7 a good engine and is the power sufficient in the mountains ? My old coach had an 8.3 cummins and I was always concerned about the injector pump going out on it because it cost mega bucks to replace . Looks like the 6.7 is a very economical system as far as parts .
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Old 04-03-2020, 11:00 AM   #2
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Location: Silver Springs, FL. USA
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The Cummins 6.7L is the old ISB 5.9L upgraded a bit. By all reports it's every bit as fine as its predecessor. I believe its rated at 750 lb-ft of torque and 350 Hp in the RV application. Whether that is "enough" depends on the weight & size of the coach - the RV industry rule of thumb is that a coach needs 1 hp for every 100 lbs of coach weight. That says the 6.7L should move a 34,000 lb rig around ok. Given that a '08 Discovery has a GVWR of 31l lbs, it ought to be fine. That 1:100 rule of thumb is perhaps a little wimpy for steeper grades, say over 3%, but it gets you to the top. More Hp gives peppier response and faster hill climbing speeds.

Back in 2008 the Discovery was Fleetwoods mid-range DP, more upscale than the Bounder or Expedition diesel but not quite in the Excursion/Providence range and well short of the American Coach luxury models. That said, most Discovery owners find them quite pleasing in amenities and as good as any in its price range.

A 2008 will be built on a 2007 or 2008 Freightliner Custom Chassis and thus adheres to 2007 EPA engine rules. Those rules caused a loss of mpg vs 2006 and earlier models.

View the 2008 Discovery sales brochure at https://big.nyc3.cdn.digitaloceanspa...20190801124528
Gary Brinck
Former owner of 2004 American Tradition and several other RVs
Home is West Palm Beach, FL
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Old 04-04-2020, 06:36 AM   #3
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Join Date: Jan 2006
Location: Hickory, NC
Posts: 870
If you live near Gaffney SC, I suggest you take it to the Freightliner facility and get it baselined on fluids and filters and an overall maintenance check. Did that with our '07 40X and gave me a lot of confidence in the rig. Love our '07.
Hickory, NC. 2007 Fleetwood Discovery 40X
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