300 kNm telescopic boom crane

Basic unit with two-stage telescopic main boom for max. hydraulic reach of 12,00m. Range of boom elevation 0-80°. Luffing speed 24sec. Working pressure according to marine classification for SWL 2.000kg at 12,00m reach, resp. 4,4t at 6,0m.


Crane base with cranked column in all-steel construction, slewing ring gear with slewing gear assembly and hydraulic slewing connections for 360° continuous slewing, slewing torque 56kNm.


Telescopic main boom with two hydraulic extensions displaceable under load to max. 12m horizontal reach.


All rams are double acting. Complete hydraulic system consisting of: 1 lifting ram, 2 extension rams, slewing gear. Control valve block with 4 individual functions (high sensitive) for slewing, luffing, extension and winch fitted to top seat at crane column. Load holding valves at all cylinders plus overload protection device. Pressure reservoir at lifting cylinder to dampen the centrifugal forces acting on the neck-bearings.


Hydraulic winch 3.000kg capacity at single line/1st layer resp. 2.450kg/3rd layer, rope length 52m, hook travel 30m min. at max. boom reach resp. 40m min. at short boom reach. Average speed at 70l/min. - 30m/min. Automatic cut-off device if hook touches the tip of jib and/or only 3-4 rope-windings are left on the reel-drum. Optional: pulley 5t capacity for max. pull at half speed.


This crane is treated against corrosive environment, i.e. crane base – St 52-3, column/booms – St e 460, cylinder tube –
St 52-3, piston rods – double chromed (optional: stainless steel), bushings – seawater proof bronce, sandblasting plus zinc-dust treatment, 3-coat colour system (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.

Privacy policy