On our previous 5er, I changed from 3 short steps (they didn't fit thru the RV gate... ooops) to one that had 3 long steps and that worked out good. That took some serious surgery cuz they were welded on and I had to mod the replacement to get the rises equal. This 5er has a 16" frame and it came with 4 steps and it needs them. Each step is closer together (7-8" rise) but the bottom step is low enough for sloped ground. I don't know the brand but I'd sure go to 4 steps if I needed to change a 3 step unit again. Craig