1,Honda gasoline,electric 2,Quick-change drum 3,Non dust operation 4, ... , 13hp, 20hp, 38hp; gasoline and eletromotor, different cutting width and depth;Critical parts from American or Japanese: Original Honda, Kholer, B&S ... TCT blades. Easy to replace the drum assembly. 4, More gasoline engine for choice: 5, The real picture after scariying concrete ...