National Crane NBT50L Specifications

The National Crane NBT50L Series of boom truck cranes offer a longer main telescopic boom reach than the original NBT50 Series that also features an  36-ft (11-m) offsettable lattice jib. 

The NBT50L Series reaches up to 151 ft (46 m) telescopic boom with a maximum tip height of 158 ft (48 m). The added boom reach, provides a quicker set up time and less of a need to use a swing on jib, saving time for the crane operator,  increasing lifting efficiency. The new boom truck series

There are four models in the NBT50L Series: the NBT50L, NBT55L, NTC50L and NTC55L.