The included drum compacting feature allows you to compact contents inside the drum by simply removing the drum crushing platen. Crushing feature will work with any drum size up to fifty-five (55) gallons. Compacting feature will only work with fifty-five (55) gallon drums. This convenient design gives you two pieces of equipment in one. Safety features include a pressure relief valve, which prevents overload, and a door interlock system that will prevent the motor from running unless the door is closed. Built-in fork pockets aid in transporting. Drip pan is included to reduce unnecessary oil spills. Replacement and additional drip pans are available.