Tower crane manufacturer Wolffkran in Germany has launched the Wolff 224 B luffing jib tower crane. It is an improved version of the established 180 B including complete reengineering of the hoisting winch and its jib system. The new 224 B has 8/16 tonne (single/double fall operation) hoisting capacity over the 6/12 tonnes of the 180 B. Single-fall load capacity is 33% greater than before. Spooling capacity of the hoisting winch is increased so that a 600 m hook path is possible in single fall operation, or 300 m with two falls. A 75 kW hoist is available as an option instead of the 60 kW hoisting gear.
Jib length can be altered in 5 m steps from the 30 m minimum up to the 60 m maximum, 5 m longer than the 55 m of the 180 B. Capacity is 8 tonnes at 26.5 m radius with 60 m jib and 1.6 tonnes at 60 m. In two-fall configuration the 16 tonne maximum is available with 50 m jib to 16.5 m radius and 3.7 tonnes at maximum radius.
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