I was looking at my SD 54" the other day and it looked like my right rear wheel was angled slightly inward. I got to looking at it more closely and found that the brace that runs between the transmissions had broken at 2 of the 4 mounting points. I called the dealer and they have an improved replacement brace that Hustler has come out with and it's covered under warranty. This must be somewhat common but I haven't found any info on it. Anyone else have this issue?