The AS 45 B4 is perfect for all-round use - regardless of the conditions, wet grass or bumpy terrain will not stand in its way. With high torque and a low noise output, the AS 45 B4 is absolutely professional, no matter what lawn mower it is compared to. The premium power source is a 165 ccm AS 2-stroke engine. Anti-vibration mechanisms, an engine brake, and a slipping-clutch keep wear and tear damage to a minimum and the machine always at peak performance. With central cutting height adjustment and a robust rear-wheel drive system, the AS 45 B4 guarantees a professional mowing experience.