The SENNEBOGEN duty cycle crane series from 13.5 t to 300 t sets itself apart with the robust design of each and every machine component, such as the uppercarriage, undercarriage, slewing ring, winches, and booms. he new wide-track undercarriage with a selectable track width between 4.5 m and 5.6 m ensures maximum stability of the machine - a good 20 % more than similar machines on the market, which illustrates the added stability.