Palfinger has launched two new crane models in the 60 metre-tonne segments, the PK 55.002 TEC 5 and the PK 58.002 TEC 7.
Both cranes have an outreach of 33.7 metres with a fly jib and are designed to provide increased efficiency and precision.
The maximum lifting moment for the PK 55.002 TEC 5 is 53.1 metre-tonnes, while the PK 58.002 TEC 7 has a maximum lifting moment of 55.5 metre-tonnes.
This allows the cranes to lift heavy loads such as steel beams easier.
“The PK 55.002 TEC 5 and PK 58.002 TEC 7 crane models represent a completely new design in the 55 to 60 metre-tonne segment,” Palfinger Head of Product Management for cranes Michael Völker said.
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“This goes for both the steel construction and the electronics.”
In addition, the cranes have had particular attention given to the design of the covers. The internal hose guide via the crane column and main boom provides enhanced protection against mechanical damage and harsh environments.
The new cranes also feature dual power systems, to allow the use of full lifting power in jib mode, the DPS-Plus for TEC 5 and DPS-C for TEC 7, and the HPSC-Plus modules LOAD, GEOM and FSTAB for improved stability.
Mechanical extensions are available for the fly jib and the crane itself and can be integrated in the overload protections system.
A double-linkage system also helps increase the crane’s lifting power, thanks to a connection between the knuckle boom and main boom, and the main boom and crane column. The knuckle boom can also be overextended by up to 15 degrees.
A return oil utilisation system is also included in the TEC range, which can be activated manually to increase efficiency. It uses a load holding valve to divert the oil from the piston rod end to the pressure line instead of the tank.