depending on the individual application requirements, the lg 1550 can be operated as an 800 t heavy-duty telescopic crane, type ltm 1800, with a 60 m telescopic boom. the new lg 1750, a 750 t powerful lattice boom crane f......depending on the individual application requirements, the lg 1550 can be operated as an 800 t heavy-duty telescopic crane, type ltm 1800, with a 60 m telescopic boom. the new lg 1750, a 750 t powerful lattice boom crane featuring an eight-axle chassis, star support and variable boom system, was unveiled at the bauma 2004. lg lattice tower mobile cranes featuring lifting capacities of 550 t and 750 t are heavy-duty cranes and are designed for versatile application conditions.