SHANDONG CARTER HEAVY INDUSTRY MACHINERY CO., LTD.
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3 Basic Structures and Work Principle of Carter 1.2T Excavators
3.1 Overview on Carter 1.2T excavators
Carter 1.2T excavator is composed of power train, work equipment, swing mechanism, control mechanism, drive system,
traveling mechanism and auxiliary equipment, as shown in fig. 1-1. Mounted on the rotary table are the regular full-
swing type hydraulic excavators, main components of drive system, swing mechanism and auxiliary devices, which are
referred to as upper rotary. Therefore, a Carter 1.2T excavator is divided into work equipment, upper rotary and
traveling mechanism.（Picture for the 1.2T model pilot operating model）
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