WOLFF 7021.12 Clear


BGL classificationC.0.10.0224
NormsEN 14439
Max. load capacity12.5 t
Max. jib radius70.0 m
Rope falls2
Hoisting gear:
Type1267 FU
Operating currentA123
Peak currentA192
Supply line:
Cross Section Amm²50 | 70
Max. fuseA125 | 125
Max. length S2 + S3m134 | 191
Connected powerkVA85
min. required generator powerkVA170

Main Components

25 m basic jib. Extension up to 70 m in 2.5 m steps. With trolley gear in jib element 1. Slewing frame with 2 slewing drives, electrical central lubrication and slip ring system, operator’s cabin platform with switch cabin. Counter jib with counterweights and hoist winch.


Drive Technique

All drives frequency controlled squirrel cage motors, full thermal protection. Hoisting winch with 67 kW, hoisting gear with performance optimization and performance reduction option. Slewing gear with electrically operated weathervaning device. Automatic wind force compensation controls.


Electrical Equipment

Voltage monitoring. Electronic safety crane controls with bus technology. Incremental absolute encoders for all operating movements. Electronic load measuring and wind indicator. Multilingual graphic display with touchscreen. Signal lights on driver‘s cabin platform.


Safety Devices

Electronic overload protection with WOLFF Boost. Increased load moment limitation due to automatic hoist speed reduction. Menu-guided setting of overload protection system, working space limiter and all limiters from operator’s cabin. Anti-collision interface. WOLFF Link data transfer system.


Tower Elements, Climbing Device

Tower connection UV 20 / TV 20. Tower configuration of WOLFF system tower elements. WOLFF slug bolt connection. Detachable hydraulic WOLFF system climbing device or WOLFF internal climbing system.


Mobile Cross Frame KRF

WOLFF mobile cross frame KRF with 6.0 m - 10.0 m gauge.


Cross Frame KR

For stationary installation. Cross frames KR can be converted to KRF.


Power Requirements and hook paths (Slewing part)

85 kVA (Hw 1267 FU), hook path 220 m in 2-fall operation.

Datasheet WOLFF 7021.12 Clear (pdf)

You have a question or need an individual offer?
Contact us in case you have questions or want an appointment
Our team looks forward to helping you.