We have the 2011 31BHPR so I thought I would share: We just replaced our leveling scissor jacks with new ones. The new ones are rated for 6500# each (factory ones are 2500# ea) and we paid 128.27 (includes shipping) for all 4 from Mantelli Trailer Sales, inc via EBay. They hang down about a half-inch more than the factory ones (negigable). The 2 boxes (2 jacks per box)were in perfect condition as were the contents. The swap was super easy (I replaced all the mounting hardware with galvanized as the existing hardware had already rusted). For now, they are installed with self-drilling screws & lockwashers, but I would like to try out the "Save-A-Jack" product and possibly have those welded on by my dealer.