The Metabo HPT twin stack compressor features an oil-lubricated cast iron pump for cooler operation, and a 15 Amp direct-drive induction motor to withstand heavy-duty uses in many conditions, ensuring greater longevity. The motor is protected by thermal overload protection that shuts it down in case of overheating. A built-in pressure switch means less cycling while locking regulator optimizes pressure control for your tool. Weighing just 52.9 lbs., the EC99S also comes with an ergonomic carrying handle, making it easy to transport around any jobsite. A universal quick coupler for fast tool changes and steel encased industrial gauges are factory installed on the unit so it's ready to go right out of the box.