卡特 312 D2

he CAT 312D2 is a 12.5-ton medium crawler excavator from Caterpillar, upgraded based on the classic 312D model. It is well-known for its enhanced reliability, superior fuel efficiency and strong adaptability, widely applied in road construction, pipeline engineering, municipal projects and medium-scale earthwork, serving as a cost-effective and high-productivity equipment globally. Powered by the Cat® 3054C diesel engine (56 kW rated power, 4.4 L displacement), it features stable performance and optimized fuel injection system, reducing fuel consumption by 14% compared with the previous model while ensuring reliable power output and complying with relevant emission standards. Equipped with a high-efficiency hydraulic system and imported hydraulic components, it ensures smooth operation and precise control. With a 0.53 m³ standard bucket, it has 95 kN bucket digging force and 65 kN arm digging force, easily handling various complex working conditions. The ergonomic cab with comfortable seating, automatic climate control and labor-saving joystick reduces operator fatigue; the LCD monitor displays real-time operation parameters and provides fault warnings for convenient maintenance.