The Manitowoc Model 16000, a 400t (440 USt) crawler crane, is now available with Manitowoc Crane Group's lift-enhancing MAX-ER attachment. The MAX-ER attachment can provide up to 232 t (256 USt) of counterweight, which increases the crane's capacity at radius, says Al Kadow, Manitowoc Crane Group's product marketing manager for lattice-boom cranes. “With the MAX-ER, not only can you raise longer length booms, but at any given radius the capacity is also better with MAX-ER.”
The standard boom leng This 96 m (315 ft) on the 16000. With the MAX-ER, boom length can be increased to 120 m (394 ft). With the addition of a luffing jib, there is an even more dramatic increase. Typically, the 16000 can handle a 54 m (177 ft) boom with a 84 m (275 ft) jib, for a total reach of 138 m (452 ft). But with the MAX-ER, the crane can support a 90 m (295 ft) boom and a 84 m (275 ft) luffing jib, a total of 174 m (570 ft) of reach.
For the first time on a Manitowoc crane, this MAX-ER is equipped with a hydraulically driven stinger, allowing the operator in the cab to hydraulically adjust the position of the MAX-ER behind the crane. Introduced in 2005, the 16000 has been one of the cranes of choice in wind power turbine erection, as well as petrochemical and fabrication yard applications.