English to Polish Tech/Engineering Construction / Civil Engineering dźwigi

Other available options include 7.1-m and 13-m (23.3 and 42.6 ft.) main boom extensions with a folding jib/double fly jib, as well as a three-sheave, 1.2-meter-long (3.9 ft9) assembly jib designed for loads of up to 15 tonnes (16.5 US tons). Finally, the crane’s standard counterweight weighs 5.45 tonnes (6 US tons).