The NBT50 series boom truck is the largest capacity boom truck to date from National, available in 50 and 55 USt versions. The crane boasts fully integrated machine control and LMI, which is a first for the boom truck market. The crane also includes a new outrigger beam position sensing system  to aid in load chart selection.


Maximum Capacity
45,4 t
(50 USt)
Boom Extension
13.7 m
(45 ft)
Main Boom Length
39 m
(128 ft)
Maximum Tip Height
54.6 m
(179 ft)
  • 102 ft (31,1 m) four-section full power boom
  • Optional 128 ft (39,0 m) five-section full power boom
  • Tailswing counterweight
  • Self-lubricating Easy Glide wear pads
  • Outrigger design eliminates need for SFO
  • Deluxe operator’s cab with air-conditioning, diesel heater w/defroster, skylight, single-axis electronic controllers
  • Work Area Definition System (WADS)
 Processing Request