Wolffkran WOLFF 8033.20 cross Specifications

The WOLFF 8033.20 Cross is a Hammerhead Tower Crane. 

Main Components

30 m basic jib with trolley gear. Extensions up to 80 m radius in 2, 5 m steps. Slewing frame with driver’s cabin, control cabinet, two slewing gears, ball race bearing with central lubrication unit and slipring system. Counterjib with hoisting platform and counterweights.

Drive Technique

All drives frequency controlled squirrel cage motors, fully thermal protected. Hoisting winches Hw 2075 FU or Hw 20110 FU. Two slewing gears with electrically operated weathervaning device. Automatic windforce compensation controls. Trolley gear.

Electrical Equipment

Multivoltage equipment for supplies from 380 V to 460 V at 50/60 cycles. Electronic safety crane controls with bus technology. Incremental absolute encoders for all operating movements. Electronic load measuring device at basic jib section. Multilingual graphic display showing information to operator, both operational and diagnostics.

Safety Devices

Crane is complete with electronic overload protection system. Increased load moment limitation due to automatic hoist speed reduction. Menu guided setting of overload protection system and of all limiters from operators cabin. Working space limiter, anti-collision interface. Trolley rope breakage safety device.

In series with

Teleservice module and wind indicator.

Tower Elements, Climbing Device

Tower configuration of WOLFF system tower elements. WOLFF slug bolt connection. Detachable hydraulic WOLFF system climbing device KWH 20.6.

Undercarriage UW

WOLFF system undercarriage UW can be used with gauge from 5, 0 up to 8, 0 m.

Cross Frame Element KRE, Cross Frame KR

For stationary installation. KRE elements can be modified to UW.

Power Requirements and hook paths (Slewing part)

98 kVA (Hw 2075 FU). 125 kVA (Hw 20110 FU). Hook path – see table of mechanisms.