Flat top new from Wolff

New from Wolffkran in Germany is the top slewing 4517 City flat top tower crane. At 6 tonnes maximum capacity it is the smallest crane in the range and has a maximum jib length of 50 m.

Configured with a 35.5 m hook height and 45 m jib two trucks are needed for transport. All motions are frequency controlled and there is a new 18.5 kW hoist motor.

For quick and simple erection there is a new connection system for the electronic components and a new subassembly design

Existing design elements include the pin-connected tower and jib and the TFS tower system has a new width of 1.2 m.

Counter jib radius is 11.5 m and the counterweight blocks weigh less than 3 tonnes. The jib can be extended in 2.5 m steps from 25 m.