코마츠 PC400-8

The Komatsu PC400-8 is a 42-ton class large tracked hydraulic excavator, excelling in heavy-duty operations such as mining and large-scale earthmoving. With a working weight of 42,100 kg, it falls into the category of large excavators. Its tracked design adapts to complex terrain. Equipped with an SAA6D125E-5 engine, it boasts a rated power of 257 kW and an engine speed of 1900 rpm, meeting both EPA3 and EU 3A emission standards. The bucket capacity is 2.10 m³, and the maximum digging depth reaches 7790 mm, enabling efficient large-scale excavation and loading operations. Core configuration includes an imported hydraulic system from a renowned European company, coupled with a high-pressure series filter element. It also features an equipment management and monitoring system, ensuring stable operation and convenient maintenance. The machine's large-capacity bucket significantly increases the amount of work per cycle. Combined with its high-powered engine, it efficiently tackles high-intensity operations such as hard rock excavation in mines and large-scale earthmoving. It features four preset working modes: heavy-duty, economy, automatic, and breaker. For example, the heavy-duty mode handles excavation in hard geological conditions, while the economy mode reduces fuel consumption during regular operations, adapting to different working conditions. Its load-sensitive flow distribution hydraulic system ensures fast response and smooth, precise operation, further improving work efficiency. High reliability and low maintenance costs: Komatsu is known for its robust structural design. This model's upper frame utilizes modal analysis technology, and the bucket is made of high-strength, wear-resistant materials. Key stress points are reinforced, making it less prone to structural damage even in harsh conditions, even for used equipment. It uses high-performance filter materials, extending the oil and filter replacement cycle. High-pressure series filters prevent hydraulic system contamination, reducing the probability of failure. The large engine compartment and centralized electrical components make subsequent inspection, maintenance, and repair of used equipment convenient, reducing maintenance costs. Its environmentally friendly engine meets stringent international emission standards, ensuring compliance even in engineering scenarios with high environmental requirements. In addition, this model has a good reputation in the market, and users generally recognize its track quality, engine performance and chassis craftsmanship. The used equipment still has a good residual value among large excavators of the same class, and it is relatively easy to resell.