20″ SPEEDSHINE FLOOR MACHINE, HEAVY DUTY NOBELS SPEEDSHINE FLOOR MACHINES. The Speedshine low speed floor machine is a workhorse built to last. A path width of 20 inches and motor size. 1.5 hp single speed motors deliver 175 rpms. Standard features include a pin and blade handle release, safety interlock button and six different operating heights. Optional 3-gal. solution tank available.