Nice score for free! Not sure you'd get much money if trying to flip them. Those are backyard machines in my area. My buddies are spending $15-20k on sleds to use on the NH trail system
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The 340 doesn't have enough power for anything other than well-groomed trails. It should have an air-cooled engine; I'd pull the engine and use it in a project tractor.
That XLT should be fun when the snow hits if you have it running good. Or maybe you already have snow?