This machine is the largest digging machine in the world. The bucket-wheeler excavator named Bagger 288 (Excavator 288) is built by the German company Krupp. More specifically, it is a mobile strip mining machine. It is the largest tracked vehicle in the world at 13,500 tons. It even superseded NASA’s Crawler-Transporter that helped to carry the Space Shuttle and Apollo Saturn V launch vehicle. The excavator is up to 220 m (721 ft) long and approximately 96 m (315 ft) high. It can excavate 240,000 tons of coal a day.