National Crane 681C Specifications

No longer in production, but still fully supported by Manitowoc Group National Crane Distributors, the 17-ton USt (15.4 mt) lifting capacity National 681C Boom Truck Crane can be Tractor Mounted, Standard Behind the Cab Mounted (Low Profile Option),   or Rear Mounted. 

This model features a 24' - 81' (7.3 - 24.7 m) four-section telescopic main boom with an optional Model 6FJ24 24' (7.3 m) single section jib or a Model 6FJ24 24' - 43' (7.3 - 13.1 m) two-section jib with a manual pull out for a maximum tip height of 134' (40.8 m).