... from American or Japanese: Original Honda, Kholer, B&S engine, bearing, hydraulic drive;Good design and heat treatment guarantee machine ... problem: uneven slabs, high spots, trowel marks, damaged concrete;4, Level uneven surfaces and trip hazards;5, Grooving floor for ... with TCT blades. Easy to replace the drum assembly. 4, More gasoline engine for choice: 5, The real picture after scariying concrete ...