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Wolffkran Wolff 6031.8 clear

Wolff 6031.8 clear is a 8.5-tonne flat-top tower crane manufactured by Wolffkran.

Additional Information

Jib Length

Max. Capacity

SI-unit

Metric Ton

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crane Load Charts Download

thumbnail of Wolff 6031.8 clear_catalog_de_v201703
Catalog, EN/DE
thumbnail of Wolff 6031.8 clear_spec_mt_en_v201703
Metric, EN

Legend

Language – EN (English), CH (Mandarin), JA (Japanese), DE (German)
SI Unit – Metric (Tonne), Imperial (US ton)

More Information about This Crane

Main Components

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30 m basic jib with trolley gear. Extensions up to 65 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 845 FU or Hw 875 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

Electronic overload protection system. Increased load moment
limitation by automatically hoisting 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.

Tower Elements, Climbing Device

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Tower configuration of WOLFF system tower elements. WOLFF slug bolt connection. Detachable hydraulic WOLFF system climbing device KWH 20.3.

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

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

Power Requirements and hook paths (Slewing part)

67 kVA ( Hw 845 FU ), hook path 190 m in 2-fall operation.
94 kVA ( Hw 875 FU ), hook path 460 m in 2-fall operation.

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