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Old 08-19-2009, 06:12 PM   #1
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Join Date: Aug 2009
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I am purchasing an early 2008 Supernova 6331. Can another 70 gal fuel tank be installed? They upgraded to 140 gals during the model year. So
I assume the room under the cab is there.

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Old 08-20-2009, 03:50 PM   #2
Texas TC
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Join Date: Apr 2007
Posts: 444

When I ordered my 6331 in early 2007, I was told that it would come with one fuel tank due to weight consideration on the front axle. When it came in some 12 weeks later, it had dual fuel tanks (whew). The front axle according to my ISIS report from International says it has a 10,000# axle. I have weighed the coach full of fuel and the front axle weight is actually 9180# with driver and passenger which is still below the rating for the axle.

If you go to a local International dealer and give your VIN# to them, they can run you an ISIS report for the build of the coach you are looking to purchase.

If the front axle component code is 0002ADC (AXLE, FRONT NON-DRIVING {International I-100SG} I-Beam Type, 10,000-lb Capacity), it should accommodate the second fuel tank IMHO. If the front axle is rated less than 10,000, I would not consider installing the second fuel tank.

2008 SuperNova (6331)
2011 Jeep Wrangler (Toad)
Now: 2011 Winnebago Journey Express
2011 Silverado 4x4 Texas Edition Extended Cab (Toad)
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