National Crane 684H-TM Specifications

The National Crane 684H-TM (Tractor Mount) was originally part of the National Crane 600H product line of 20-ton (18.1 t) lifting capacity Boom Truck Cranes.

This model has a six-section 19' - 84' (7.32 - 24.38 m) telescopic main boom for a maximum tip height is 94' (28.6 m).

The crane is equipped with two sets of “HO”-style outriggers for full-span, mid-span, and fully-retracted lifting applications.

Crane Features

• Mentor LMI system 
• Internal anti-two block
• 375-degree non-continuous rotation 
• Easy Glide Boom Wear Pads
• Burst of Speed Winch
• Adjustable Swing Speed