Earth moving machine, has drive mechanism housed in trailer unit connected to machine undercarriage

摘要

A trailer unit (22) is rigidly connected to the machine undercarriage (11) and houses the drive mechanism for the undercarriage, rotary upper carriage (12) and jib (14). An upper carriage is rotatably mounted on top of the undercarriage via a turntable. The jib is connected to the upper carriage. The machine (10) includes at least one counterweight.