【 Premium Recommendation 】 The 2012 Caterpillar 336 long-arm excavator, with an arm span of 23 meters, is your ideal choice for deep foundation pit excavation, river dredging and large-scale earthwork projects. Since its commissioning, this device has accumulated a working time of only 9,000 hours, which is far lower than the average service life of similar equipment. Its overall performance remains at its peak. In terms of the power system, this machine is equipped with an original imported C9.3 engine from Caterpillar, with a maximum power of up to 328kW (approximately 440 horsepower). It not only has strong power but also excellent fuel economy, enabling it to handle complex and changeable construction environments with ease. In addition, this engine is equipped with an advanced electronic control system that can automatically adjust the output power according to the actual working conditions, ensuring the best working efficiency while minimizing fuel consumption to the greatest extent. The hydraulic system adopts Caterpillar's patented technology - high-pressure common rail direct injection system, combined with high-efficiency and energy-saving main pumps and precise control valve groups, which makes the response speed of the en2025-12-14 08:09:42