Liebherr has introduced a boom upgrade kit for its LR 1600/2 crawler crane which increases lifting capacities by up to 20 percent and extends the heavy duty lift height.
The new SL-10 system adds 15 metres to the main boom lift height and when combined with 12 metre fixed jib takes the maximum hook height to over 160 metres at which it can still lift 71 tonnes.
A more direct comparison with the standard boom system shows an increase in capacity from 77 to 92 tonnes at a hook height of 147 metres. The boom kit allows the crane to erect the latest generation of wind turbines with tower heights of up to 150 metres. The derrick system has also been improved to allow the longer main boom and jib combinations to be erected.