【 Premium Recommendation 】 In 2017, we imported a second-hand Caterpillar 312D excavator through customs declaration. This equipment not only boasts outstanding performance and reliability but also takes into account the actual needs of users in its detailed design. Since its import, this excavator has only been in operation for about 3,500 hours, which means it is still in the best working condition and has a relatively long service life. In terms of power, this machine is equipped with Caterpillar's original C4.4 engine. This four-cylinder in-line water-cooled turbocharged diesel engine is renowned for its powerful output and smooth operation characteristics, with a maximum power of 69 kilowatts (approximately 93 horsepower), making it capable of handling complex and ever-changing construction environments with ease. Meanwhile, efficient fuel economy reduces operating costs and enhances work efficiency. The hydraulic system adopts advanced negative flow control technology, ensuring smooth operation and rapid response. Whether it is excavation or loading operations, it can be handled with ease. It is worth mentioning that this 312D model is equipped with an extended forearm, which greatly expands the working range and is particularl2025-12-16 16:26:00