卡特 307.5

The CAT306 is a 6-ton class compact crawler excavator developed by Caterpillar, a world-leading construction machinery manufacturer, which is an upgraded model of the CAT305.5 with improved engine heat dissipation system, boasting excellent performance, high productivity, precise operability, reliability and low maintenance costs, making it ideal for small-to-medium construction projects, municipal works, earthmoving, material handling and rental services; it has an operating weight of 5,775 kg, transport dimensions of 5,925×1,950×2,545 mm, equipped with a Mitsubishi 4M40 4-cylinder water-cooled engine with a displacement of 2.84 L, rated power of 40.5 kW, meeting EPA Tier2, EU Stage 2 and Chinese GB17691-2001 emission standards, featuring clean, quiet and efficient operation; its optimized hydraulic system has a main relief pressure of 24.5 MPa and pilot oil circuit pressure of 3.4 MPa, with a main pump maximum flow of 152 L/min, ensuring strong digging force (38.6 kN for bucket, 25.5 kN for arm) and precise control; the excavator has a bucket capacity of 0.22 m³, a boom length of 3,000 mm, an arm length of 1,600 mm, a swing speed of 8.8 rpm, a travel speed of 4.8 km/h and a maximum traction force of 48.2 kN; its oil capacities include a 135 L fuel tank, 57 L hydraulic oil tank, 85 L hydraulic system capacity, 11.2 L engine oil replacement capacity and 15.5 L coolant capacity to support continuous operation, with additional advantages of user-friendly cab design for enhanced productivity, convenient maintenance to save time and costs, reliable undercarriage for high productivity, and world-class after-sales service supported by Caterpillar's global dealer network, while the new generation model can achieve up to 10% performance improvement and 15% fuel consumption reduction compared with previous models.