"Zhongleng Caterpillar 307D Second-hand Excavator This second-hand Zhongleng Caterpillar 307D excavator has only been in operation for 2,800 hours since leaving the factory and is in excellent condition. It is equipped with a powerful power system and is fitted with the original imported C2.2 engine from Caterpillar, which is renowned for its outstanding performance and reliability. It can provide strong power output at low rotational speeds, ensuring the machine's efficient operation capability under various complex working conditions. Meanwhile, this engine also features excellent fuel economy, significantly reducing operating costs. In terms of the hydraulic system, advanced load sensing technology is adopted, which can automatically adjust the flow and pressure according to the actual working requirements. This not only improves the working efficiency but also extends the service life of the equipment. The operator can easily control every movement to achieve tasks such as precise excavation and ground leveling. Even beginners can quickly get the hang of it. In addition, this excavator is also equipped with a spacious and comfortable cab, offering a wide field of vision and excellent sound insulation. The robust and durable chas2025-12-18 12:21:43