MACHINE BODY LIFTING CONSTRUCTION FOR HYDRAULIC EXCAVATOR

摘要

PROBLEM TO BE SOLVED: To provide a machine body lifting construction capable of lifting up almost the center portion of a hydraulic excavator with the overall height kept to a low attitude. SOLUTION: Suspending fittings 33 having suspension holes respectively is attached in a freely rotating manner to an outer peripheral portion at the right and left sides of a boss of a boom base portion of a work attachment provided in a freely derricking motion to a vertical bracket board 30 for attaching boom of the upper slewing body 18. Moreover, the suspension fittings is fixed to the side face side of the boom base portion when the fittings 33 is not being used.