550 kNm telescopic boom crane

Basic unit with two-stage telescopic main boom for max. hydraulic reach of 18,43m. Range of boom elevation 0-80°. Decreased working pressure according to marine classification for SWL 2.100kg/18° at 18m, resp. 9,3t/60° at 4,1m.


Crane base with cranked column in all-steel construction, slewing ring gear with slewing gear assembly and hydraulic slewing connections for continuous slewing. Slewing torque 62.000 Nm. Slewing speed 0,8 rpm.


Telescopic main boom with two hydraulic extensions in hexagon design, displaceable under load to max. 18,43m horizontal reach.


Complete hydraulic system with Danfoss control valve bank consisting of 4 individual valve sections for all crane functions, high precision with integrated suction and safety valves. Manual lever control at column for emergencies. Radio remote control (HBC), 4 functions consisting of transmitter with linear controls, receiver, charger (12/24V) with two re-chargeable batteries, automatic frequency search, emergency-off, extra cable in case of radio break-down, variable speed choice. Electronic crane control system (EKS-black box) incl. overload protection device, actual load info and damping control for lifting cylinder. Load holding valves at lifting- and extension rams. Overload protection valves with visual warning device, emergency shut-off buttons at all controls according to CE-standard.


Hydraulic winch 6.000kg capacity at single line/1st layer, 5.000kg/3rd layer, average speed 20m/min. at 60l/min.,

rope dia. 16mm, rope length 80m, automatic cut-off device for winch operation (electro-hydraulic) if hook block is retracted or only 4 layers of rope are left on the reel-drum. Pulley 10t cap. for max. load at half speed.


This crane is treated against corrosive environment, i.e. roller bearings, fittings and couplings of hoses seawater resistant, piston rods double chromed (option stainless steel), all steel structure zinc-dust treated and sandblasted (SA2,5) before painting, special seawater resistant marine paint.


This crane is manufactured according to German Standard
DIN 15018 to meet marine specifications for provision/service crane type "A". Min. 5° heel and 2° trim under harbour conditions with full load. Classification certificate optional.

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