Strauch Carder have a  very high quality, durable, electronically controlled motors that are made in the USA! All these machines have been extensively beta tested by some "heavy duty" fiber artists and they all have raved about the design, workmanship and durability. The dimensions of these carders are the same as their manual counterparts. The large drum on the single width carder is 7" in diameter x 8¼" wide. The small drum is 2" in diameter x 8" wide. The carder produces a batt approximately 8" wide x 22" long. The frame is 24" long, 11½" wide, 6" high The large drum on the doublewide carder is 7" in diameter x 15¼" wide. The small drum is 2" in diameter x 16" wide. The carder produces a batt approximately 15" wide x 22" long. The frame is 24" long, 18½" wide, 6" high.