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I knew source had one. I didnt know Cummins had one.
Pros: more power, quieter
Cons : $$$, maybe a loss in cooling
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2008 Monaco Cayman XL 38PBD
Twenty years from now you'll be more disappointed by the things you didn't do than by things you did. Explore, Dream, Discover. Mark Twain
There are two types available for a rear engine coach. One is the Horton clutch fan that is electronically controlled. It doesn't run until it gets a message that the engine is getting hot. You save fuel and gain HP when it's not running. The downside is that it will always be running when you're climbing a grade. The Horton will fit any brand coach.
The Source Engineering fan is a better designed fan than the OEM monster. On an ISL it gives 25 more HP and is giving you better mileage all the time. It gives even more HP on small engines that are turning faster. I think the Horton is around $800.00 and the Source is about $650.00
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Don & Mary
2019 Newmar Dutch Star 4018 (Freightliner)
2019 Ford Raptor
Very happy with the Source Fan. The way it is designed it gives the same cooling as the OEM fan. Fewer blades with a greater degree of "slant". Much quieter and saves horse power to to allow engine to climb hills cooler. deSanford
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Sanford, Linda & R cats: Molly, Levi, Cody
2011 Monaco by Navistar RV
Good Sam Life Member Good Sam Hams Chapter