Recently installed mine and it worked out very well. I mounted mine in front of the wheels. My trailer is an open I-Beam construction. I searched high and low for the best deal and most online suppliers were charging crazy shipping rates. PPL wanted $120! I ordered it through my local RV service facility and it cost $110 and no shipping!
Install was fairly straightforward but you really need to follow "measure twice and cut once" philosophy. When I first decided where I was going to monut it I forgot how it would fit up with the tire on it!! I kept measuring the rack and the things around where it would be and it seemed great then I got this flash, "dummy, the the tire is going to hit the holding tank outlet like that!". Luckily I hadn't drilled or cut anything yet. So, just look at every possible interference before you got to cutting and drilling
A few pictures:
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Paul "Poppy" Cervone
2015 Grand Design Reflection 337RLS
2011 Cougar High Country 299RKS - SOLD
2007 Silverado 2500HD Duramax/Allison CC 4x4
2007 Corvette Z51
2009 Cadillac CTS