Wolffkran WOLFF 4518 City

Wolffkran WOLFF 4518 City is a 6-tonne flat-top tower crane with a maximum jib length of 50m and a tip load of 1.3 tonnes.

Additional Information

Max. Rated Capacity


Metric Ton

Max. Jib Length

Load At Max. Reach



Crane Specifications, Load Charts, and Crane Manuals are for reference only. Contact the crane manufacturer for manuals to operate the crane properly.

thumbnail of WOLFF 4518 City_spec_mt_en
WOLFF 4518 City | Metric | EN

Product Description

Main Components

25 m basic jib with hoisting winch and trolley gear. Extensions up to 50 m radius in 2.5 m steps. Slewing frame with slewing gear, ball race bearing with central lubrication unit and slipring system. Counterjib with counterweights. Control cabinet station with control cabinet optional with driver’s cabin or remote control with display.

Drive Technique

All drives frequency controlled squirrel cage motors, fully thermal protected. Hoisting winch Hw 318 FU. Automatic re-reeving device (from 2-fall to 4- fall operation). Hoising gear with performance reduction option. Slewing gear with electrically operated windvaning device. Automatic windforce
compensation controls. Trolley gear.

Electrical Equipment

Equipment for supplier from 400 V at 50 / 60 cycles. Electronic crane controls. Incremental absolute encoders for all operating movements. Electronic load measuring device at jib section. Crane cabin with a multilingual graphic display showing information to the operator, both operational and diagnostics.
Remote control with display.

Safety Devices

Electronic overload protection with WOLFFBoost. Menu guided setting of overload protection system and of all limiters. Working space limiter. Anti-collision interface. Trolley rope breakage safety device. Anemometer with signal lights. WOLFFLink data transfer System.

Tower Elements

Tower configuration of WOLFF system tower elements. WOLFF slug bolt connection.

Undercarriage UW, travelling cross frame KRF

WOLFF undercarriage UW with gauge from 3.8 m up to 8.0 m or travelling cross frame KRF with gauge from 6.0 m – 8.0 m. Cross Frame Element KRE, Cross Frame KR For stationary installation. KRE elements can be modified to UW. Cross frames KR can be modified to travelling cross frames KRF.

Power Requirements and hook paths (Slewing part)

25 kVA ( Hw 318 FU), hook path 100 m in 2-fall operation.

Technical Information

BGL classification C.0.10.0090
Norms EN 14439
Max. load capacity 6.0 t
Max. jib radius 50 m
Rope falls 2 | 4

Power Requirements

Hoisting gear:
Type 318 FU
Power kW 18
Current A 37
Operating current A 36
Peak current A 58
Supply line:
Cross Section A mm² 10
Max. fuse A 50
Max. length S2 + S3 m 130
Connected power kVA 25
min. required generator power kVA 50


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