National Crane 638D Specifications

The 18.0-ton USt (16.3 metric ton) lifting capacity National 638D is equipped with a three-section 16' - 38' (4.9 - 11.6 m) telescopic boom with an optional Model 6FJ15 15' jib or Model 6FJ25M 15' - 25' (4.6 - 7.6 m) two-section jib.

Part of the National Series 600D 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.

While no longer currently produced by the Manitowoc Crane Group, the 638D is still fully supported by authorized National Crane distributors.