【 Premium Recommendation 】 Caterpillar 312B second-hand excavator, with outstanding performance and reliable quality, is your capable assistant on construction sites. This equipment has only been in operation for 4,000 hours. It is in good overall condition, well maintained and has no major accident records. It is very suitable for the construction needs of medium and small-sized engineering projects. "Power System This machine is equipped with an original imported C4.4 engine from Caterpillar, which is powerful and stable, and can maintain efficient operation even under harsh working conditions. It has good fuel economy and can effectively reduce operating costs and improve work efficiency. Meanwhile, it is equipped with an advanced electronic control system, ensuring that the engine is always in the best working condition and extending its service life. "Hydraulic System Adopting advanced negative flow control technology, the entire machine operates more smoothly and precisely, capable of handling tasks such as excavation, loading, and crushing with ease. The main pump has a high matching degree with the motor and a fast response speed, ensuring an excellent operating experience. In addition, the hydraulic oil cooling system is rea2025-12-16 19:28:33