EXCAVATION MACHINE

摘要

A counterweight for a power shovel, interchangeable with that of a superordinate model without the rear end radius of the shovel affected in rotation. In the power shovel (50), the counterweight is formed at the rear section of a vehicle body frame (11) extended at the lower part of an upper rotation body (10), from the front end to the rear end of the rotation body (10), and an engine (14) is mounted on the rear part of the vehicle body frame (11). An additional weight (12) is placed in a gap between the rear part of the vehicle body frame (11) and the engine (14).