Detailed description of the used Caterpillar 345B excavator Since its launch in 2001, this Caterpillar 345B excavator has won the trust of a wide range of users with its outstanding performance and durability. This machine is equipped with a hammer but no bucket, making it particularly suitable for crushing operations and applicable to construction needs under various complex terrain conditions. The total working time is 19,700 hours. For a heavy machine, this usage time is at a medium to upper level. However, thanks to Caterpillar's consistently excellent manufacturing processes and material selection, the overall condition of the machine remains good. In terms of power, it is equipped with an original Caterpillar C13 diesel engine, with a maximum output power of up to 280kW (approximately 375 horsepower). The strong power output ensures high working efficiency. Meanwhile, this engine adopts advanced fuel injection technology, which not only improves fuel economy but also reduces emissions, meeting modern environmental protection requirements. The hydraulic system is a major highlight of this machine. It adopts the positive flow control technology independently developed by Caterpillar, which can achieve more precise operation resp2025-12-18 16:59:55