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Old 07-04-2009, 10:37 PM   #1
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tank capacities

I just bought a 08 Flagstaff 831QBSS and was wondering if anyone knows the tank capacities for this unit. I cannot find the info anywhere in the literature that I got with the unit and on the Forest River website it just says "TBA".

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Old 10-10-2009, 08:33 PM   #2
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Most likely they are the same as my 2010 8526PLWS. 30 gal Gray, 30 gal Black, and 30 Gal Fresh with 7 Gal fresh in the lines for a total of 37 gallons.

Tank photos here

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Old 10-10-2009, 10:26 PM   #3
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From the Forest River Flagstaff page: Click Here

Model 831QBSS

Dry Hitch Weight 1,111 lb. (504 kg )
Unloaded Vehicle Weight 6,212 lb. (2,818 kg )
Gross Vehicle Weight Rating (GVWR) 8,162 lb. (3,702 kg )
Cargo Carrying Capacity 1,900 lb. (862 kg )
Exterior Length 33 ft. 0 in. (10.1 m)
Exterior Height 9 ft. 9 in. (3.0 m)
Exterior Width 96 in. (2.4 m)
Fresh Water Capacity 37 gal. (140 L)
Gray Water Capacity 30 gal
. (114 L)
Black Water Capacity 30 gal. (114 L)
Awning Size 21 ft. (6.4 m)

The 37 gal Fresh Water capacity includes the water heater tank & plumbing lines.
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