It seems that the engine is more reliable than previous generations, we will see the use. For now, I see an apparent strength a little light and a fault in one of the wheels on Karcher reported .... never told me of his opinion. (I'm wondering for the guarantee of 5 years ..) Brush effective terrace. Water filter not supplied, do not forget in your order (4730-059 Kärcher water filter cleaners ... Karcher)