A conduit cleaner having a power unit that at least one of a) drives a cutter for foreign matter and b) discharges a working fluid under pressure to impinge upon a conduit within which the cleaner resides. First and second skids are removably and separately connected to the power unit so that c) the first and second skids can be separated, each from the other and the power unit and d) with the first and second skids in an operative position on the power unit, the first and second skids cooperatively guide movement of the power unit within a conduit.