* Powered by Honda GX240 * 9 cu.ft. batch capacity, 3 - 3 1/2 bag capacity * Patented drum bearings and seals with unconditional lifetime warranty. * Patented removable bearing and seal housing makes servicing of the seals and bearing quick and easy. * Exclusive cowl provides 21% more volume of air to the engine. * Stay-level engine platform allows easy oil level checks, helps prevent low oil shutdowns. * Patented lift-away guard conveniently lifts away for easy cleaning. * Includes a Stone exclusive quick-pierce bag splitter. * Optional spiral blades mix four times faster than conventional blades for smooth color and additive blending. * High speed tires with extendible axle available on select models, allow the mixer to be taken through doorways.