Wacker’s BSF-Series walk-behind concrete saws position the engine directly over the cutting area — a design, says Wacker, that optimizes weight balance to allow the saw to pull forward with less effort, resulting in straighter, faster cuts with increased saw stability. A V-belt transmits power from the engine directly to the cutting shaft, which features double-sealed bearings. The new BSF Series includes three standard and two self-propelled models. The standard models are available with 14- and 18-inch blade-guard diameters and can use either a Honda or Wacker engine, both rated at 9-horsepower; the self-propelled models feature blade-guard diameters of 18 or 20 inches and are equipped with Honda engines.