| 摘要 |
An aerial lift truck comprising a wheeled framed vehicle such as a truck along with a moveable boom assembly mounted thereon and wherein said boom assembly is hydraulically operated. Said boom assembly along with the other hydraulically operated devices located on said truck derive their hydraulic energy requirements from a pump or pumps driven by the truck's main engine or by a secondary power unit. The secondary power unit comprises an electric motor, which is suitably controlled, protected, and supplied electrically for the operation desired and where the electrical energy requirements, of the secondary power unit, are supplied by suitable electrical conducting cable suitably attached by electrical clamps to the electrical distribution system or grid.
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