Komatsu

Second-hand Komatsu excavators are classified by tonnage as follows:
– **Mini-type** (e.g., PC05, about 0.5 tons), suitable for indoor and narrow-space operations.
– **Small-type** (e.g., PC56, approximately 5.6 tons), used in municipal projects and agriculture.
– **Medium-type** (e.g., PC200, around 20 tons), widely applied to conventional construction sites.
– **Large-type** (e.g., PC450, about 45 tons), with strong power for mines and large-scale projects.

Most are diesel-powered, while some models feature hybrid technology for high efficiency and energy conservation. When purchasing, prioritize checking the engine condition, hydraulic system performance, and wear of chassis components.

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