Unmounted National 680H Crane We have dozens of cranes and bodies in stock, call today for more information! ** Winch damaged in transport. Needs replacing. Everything else is in great shape. ** We can mount this crane or deliver it to your location. Please call us today for details! Model 680H Manufacturer National Lifting Capacity 20 ton (40,000lbs) Main Boom 80′ Need shipping measurements? Please call 631 389 7800 for accurate numbers.