【 Premium Recommendation 】 A second-hand Caterpillar 307 excavator from 2020 This second-hand Caterpillar 307 excavator from 2020 is presented to you at a price of over 120,000 yuan, making it an extremely cost-effective choice in the market. The total working time of this machine is 2,500 hours. For a machine that has been in use for three years, this working time is at a medium to low level, indicating that it is still in very good condition and has a relatively long service life. In terms of the power system, this 307 is equipped with Caterpillar's self-developed C2.4 inline four-cylinder turbocharged diesel engine, with a maximum output power of up to 40.4 kilowatts (approximately 54 horsepower). This engine is renowned for its high efficiency, energy conservation, low noise and low emissions. While providing strong power, it also ensures low fuel consumption, making it highly suitable for urban construction and small-scale engineering operations. The hydraulic system adopts advanced load sensing technology, which can automatically adjust the pump flow rate according to the actual load, thereby achieving more precise operation control and higher working efficiency. In addition, its closed central loop design makes the response s2025-12-10 21:59:44