卡特 320

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The Caterpillar 320 is a classic medium-sized crawler hydraulic excavator by Caterpillar, suitable for medium and heavy engineering projects. Its core is the Cat C7.1 six-cylinder inline diesel engine, which complies with EPA Tier 3 / European Union Stage IIIA emission standards, balancing efficiency and reliability. This 21-22 ton medium general-purpose excavator is mainly used for earthwork, infrastructure construction, and road construction scenarios. It has strong fuel filtration capabilities and is compatible with fuel containing impurities; it can work stably in environments ranging from -18°C to 52°C, and an optional -32°C cold start kit is available to adapt to extreme working conditions in South America and Africa. The driver's cab is optimized for ergonomics, featuring anti-slip plates and hydraulic safety locking rods, which reduce operator fatigue and operational risks, and enhance the efficiency of single-person long-term operations. The structure is simple, and the components are highly interchangeable. The global Cat service network covers the entire world, making spare parts easy to purchase, and reducing the subsequent maintenance difficulty and cost for overseas customers.