WORK MACHINE OF HYDRAULIC SHOVEL, AND METHOD FOR MANUFACTURING WORK MACHINE OF HYDRAULIC SHOVEL

摘要

The present invention reduces the production requirements needed for welding a work machine of a hydraulic shovel and improves the weld quality. A boom includes an upper plate (11), a left-side plate (12) joined to the upper plate (11), and a boom foot bracket (15). The boom foot bracket (15) has an extending part (54). The extending part (54) has a portion that faces a side surface (23) of the upper plate (11).