4t30m Electric Hydraulic Telescopic Boom Marine Crane

4t30m electric hydraulic telescopic boom marine crane for offshore service vessel The telescopic box boom marine crane is supplied with a pedestal which should be welded onto the ship`s steel structure or counter foundation. The pedestal consist of a rolled steel pipe and a flange on which the crane housing with its slewing ring is placed. The telescopic boom crane is designed as an electro-hydraulic driven telescopic boom crane, with integrated electro-hydraulic power package or independent electro-hydraulic power package, delivered as a complete unit ready for installation to foundation. The crane is equipped with hydraulic powered winch, hydraulic powered luffing, hydraulic powered extension and hydraulic powered slewing system. Technical spifieccation 1SWL4t@30m2Max working radius30m3Min working radius3m4Hosting speed0~12m/min5Slewing speed0.6r/min6Slewing angle360° free7Luffing time75s8Hook travel30m9DFT of painting320um10Extension time100s11Working condition  Heel≤ 5° Trim≤ 2°12Electric motor  Power90Kw Speed1480r/min Power source440V 50Hz, Protect classF Working typeS113Flow100L/min14Design temperature-10°~40°15Dead weight~26000 kg  /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1