The smallest Scrubber Drier out of the Gmatic® family. Chassis width of 44cm only by close to 2 hours run time per battery charge. Brush deck stick out of 8cm left and right for scrubbing under overhangs. Scrubbing power of single disks. Technique protecting controller regulation and Parametration of the 2 brush drives: Soft start, both direction of rotation, current limiter, battery watch dog. The model variant 40BTX60 with power train of 200W, differential and energy recuperation while breaking for operation on ramps and slops.