Mphamvu zokweza kwambiri m'makampani
4-gawo la U-woboola pakati 35m lalitali boom lalitali lomwe lili ndi mphamvu zokwezeka kwambiri, mphindi yokweza max.lifting ndi 960kN•m, max.nthawi yokweza (yotalikiratu) ndi 600kN•m, kutalika kwakunja ndi kwakukulu ndipo kutha kokweza ndi kolimba.