Technical Description
The Caterpillar 385C is a heavy-duty hydraulic excavator engineered for high productivity across a wide range of applications. Powered by a Cat C18 ACERT engine, it delivers 530 hp (395 kW) at 1800 rpm, providing robust performance with a displacement of 1104.6 cubic inches (18.1 L). The excavator’s operating weight reaches up to 185,475 lbs, ensuring stability for demanding tasks. It includes a versatile hydraulic system with a maximum pump flow capacity of 258.9 gal/min and a hydraulic relief valve pressure of 4641 psi, enabling efficient control and power delivery. The swing mechanism operates at 6.5 rpm for smooth rotation.
The 385C offers six boom and stick configurations, tailored for various operational needs, ranging from mass excavation with shorter reach to long-reach trenching. Max digging depths extend up to 37.9 ft, max cutting heights reach 49.1 ft, and max reach along the ground spans 56 ft depending on the boom/stick combination. The maximum bucket capacity is 7.1 cubic yards, with a reference capacity of 3.9 cubic yards, designed to handle large volumes effectively.
Dimensionally, the excavator provides a ground clearance of approximately 3 ft, track length on the ground around 15.1 ft, width across tracks of 11.2 ft, and a tail swing radius of 15.1 ft, balancing maneuverability and stability. The undercarriage features 47 track shoes per side, 3 carrier rollers, and 8 track rollers, with a track gauge of 11.6 ft and shoe size of 25.6 in, facilitating robust mobility. The maximum travel speed reaches 2.8 mph, with a drawbar pull of about 133,087 lbs, supporting efficient transport and operation on varying terrains. Fuel capacity is 327.6 gallons, supporting extended work cycles. This comprehensive design ensures the 385C adapts effectively to diverse excavation demands with enhanced durability and operational efficiency.
