2019 Grove GHC55 Capacity: 50 t (55 USt) Main boom: 9,4 m – 30,4 m (30 ft 10 in – 99 ft 9 in) four-section full power boom Standard boom extension: 6,5 m (21 ft 4 in) offsettable boom extension Maximum boom extension: 13 m (42 ft 8 in) offsettable, bi-fold, swingaway boom extension with optional 6,5 m (21 ft 4 in) fly jib extension Maximum tip height: 45,4 m (149 ft)