National NBT50L / NBT55L

Manitowoc has introduced the National Crane NBT50L Series of boom trucks at Crane Days 2018 in Shady Grove, Pennsylvania. The new line of cranes is an update to the popular NBT50 Series, adding more boom length for increased versatility on the job site. Visitors to Crane Days are the first in the world to see the next-generation boom trucks in action.

Additional Information

Max. Rated Capacity



US ton


Crane Specifications, Load Charts, and Crane Manuals are for reference only. Contact the crane manufacturer for manuals to operate the crane properly.

thumbnail of NBT50-NBT55-spec-lb-en
Imperial, EN

Product Description

The National NBT50L Series is the next evolution of the proven NBT50/55 series.  This series features a newly designed superstructure and boom that will have you reaching new heights with the same operator confidence due to the sturdy and rugged National Crane design.  The series offers the long 46,0 m (151 ft) five-section full power boom in both the 50 USt and 55 USt capacities.

Offset-table Fixed Lattice Jib

Also introducing for the first time on a National Crane boom truck: an optional 11 m (36 ft) fixed lattice jib which is offsettable offering a total of three (3) offset positions.

Add-on Features from NTC55

The NBT50L Series also offers the NTC Value Package bringing over popular features from the NTC55 including the 75% outrigger span for applications where an additional outrigger position is critical. This package also adds technology upgrades to a boom truck such as an integrated wireless wind speed indicator and a two-camera system for monitoring the hoist and rear/passenger side of the machine for enhanced job site awareness and safety.