National Crane 437B Specifications

The 10 Ust (9.1 mt) lifting capacity National Crane 437B Boom Truck has a 37' (11.28 m) main telescopic boom and is part of the 400B Series.

Two Basic Crane Mounting Configurations - Rear Mount or Behind the Cab Mount.

Additional Models in this series are the 446B (46' / 14.02 m boom length) and the 456B (56' / 17.07 m boom length).

Maximum Tip Height

• 456B (66' / 20.1 m) 

Crane Features

• Internal Anti-two-block
• Self-lubricating "Easy Glide" Wear Pads
• Hydraulic Capacity Alert System (HCAS)
• Variable displacement hydraulic system
• Proportional boom extension
• High-performance planetary winch