National Crane 638B Specifications

No longer in production, but still fully supported by Manitowoc Group National Crane Distributors, the 14.0 ton USt (12, 7 metric ton) lifting capacity National 638A comes with a three-section 15.8' - 38' (4.8 - 11.6 m) main telescopic boom and an optional Model 6FJ15 15' jib or Model 6FJ23M 15' - 23' (4.6 - 7 m) manual two-piece pull-out jib.

Part of the National Series 600B Boom Truck Crane product line up this model can be Tractor Mounted, Low Profile or Standard Behind Cab Mounted, or Rear Mounted on Truck Chassis.