According to the invention, there is provided a novel soybean variety designated XB28T06. This invention thus relates to the seeds of soybean variety XB28T06, to the plants of soybean XB28T06 to plant parts of soybean variety XB28T06 and to methods for producing a soybean plant produced by crossing plants of the soybean variety XB28T06 with another soybean plant, using XB28T06 as either the male or the female parent.