Trolley Booms or sometimes referred to as Block Unloaders are truck-mounted boom lifts. They may be elevating or non-elevating. Trolley Boom Cranes primary purpose is to off-load masonry products like brick or block to or below ground level via a trolley that travels along the boom length transporting the load via cylinder activated cables.

No longer in production, USTC designed and built Trolley Boom Cranes in the USA.  Manitex has continued production of Trolley Boom Cranes that a popular alternative to Boom Truck Cranes for Concrete Contractors worldwide.  

Features

· Dual elevate cylinder design reduces weight and provides increased load clearance
· Proven pistol grip radio remote controls as standard
· Box-type boom constructed of high strength steel for increased strength to weight ratio
· Continuous boom rotation
· Low pressure, open centered hydraulic valves increase reliability and reduce hydraulic maintenance
· Flow divider allows the operator to perform several functions simultaneously and efficiently
· Pilot-operated load holding valves on all cylinders
· Designed for efficient truck installation
· Several factory approved fork options available
· Optional bearing risers provide increased load clearance under boom