Uphill slip?

[speterson28906]

I just bought a 2012 HPX 4X4 DIESEL. I bought this to help out with dragging my gravel driveway. I'm in the mountains so there are hills as well. The dealer told me this would have no problem dragging a dirtdog gravel Rd drag. my question is it normal for under heavy bog, it seems to slip and make a noise. That is only when its really bogged down. My Hpx has a glass cab as well. One more thing is in high gear when going up a steep hill it does the same thing. sounds like slipping.

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[campoman]

I had a similar problem with a friends Gator but not a diesel, he had a aftermarket belt on it we put a factory belt from JD problem over,hope this helps