WOLFF 8540.20 Cross


BGL classificationC.0.10.0500
NormsEN 14439
Max. load capacity20.0
Max. jib radius85 m
Rope falls2
Hoisting gear:
Type2075 FU
Operating currentA149
Peak currentA219
Supply line:
Cross Section Amm²50 | 75
Max. fuseA125 | 125
Max. length S2 + S3m157 | 219
Connected powerkVA103
min. required generator powerkVA258

Main Components

30 m basic jib with trolley gear. Extensions up to 85 m radius.
Towertop. Slewing frame with driver’s cabin, two slewing gears, ball race bearing with central lubrication unit and slipring system. Counterjib with machinery platform, control cabinet and counterweights.

Drive Technique

All drives frequency controlled squirrel cage motors, fully thermal protected. Hoisting winch Hw 2075 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 crane controls CCplus. 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

Electronic overload protection system. CCplus allows increased load moment at automatically reduced operating speeds only.
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.

Tower Elements, Climbing Device

Tower configuration of WOLFF system tower elements. WOLFF slug bolt connection. Hydraulic WOLFF system climbing device KWH 23.1.

Undercarriage UW

WOLFF system undercarriage UW can be used with gauge from 8,0 up to 12,0 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)

103 kVA ( Hw 2075 FU), hook path 400 m in 2-fall operation.

CAD data substructures (dwg)
CAD data tower elements (dwg)
CAD data WOLFF 8540.20 Cross (dwg)
Datasheet WOLFF 8540.20 Cross (pdf)

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