CATERPILLAR 374D L CRAWLER EXCAVATOR

Technical Description

The Caterpillar 374D L is a large hydraulic excavator engineered for heavy-duty performance and reliability in demanding construction and mining environments. Powered by a Cat C15 ACERT engine, it delivers 355 kW (476 hp) of net flywheel power, meeting stringent U.S. EPA Tier 4 and EU Stage IIIA emission standards. The engine features a bore of 5.4 in (137 mm), stroke of 6.8 in (171 mm), and a displacement of 927.6 cu in (15.2 L), ensuring robust output and fuel efficiency. The excavator’s hydraulic system provides a maximum flow of 880 L/min and a main system pressure of 35,000 kPa, supporting high productivity in digging and lifting operations. With a maximum bucket digging force of 76,300.2 lbs (ISO) and 66,880.7 lbs (SAE), the 374D L excels in tough digging conditions. Its reach and digging capabilities include a maximum digging depth of 31.7 ft, maximum loading height of 29.5 ft, and a maximum reach along the ground of 44.9 ft. The machine’s swing mechanism operates at 6.4 rpm, providing smooth and efficient rotation. The undercarriage is equipped with 8 track rollers and 3 carrier rollers per side, a 9.1 ft track gauge, and a drawbar pull of 110,718.4 lbs, ensuring excellent traction and stability. The 374D L features a fuel tank capacity of 247.1 gal, hydraulic system capacity of 186.3 gal, and a cooling system capacity of 25.1 gal, supporting extended operation in remote locations. The cab height is 139.4 in, and the tail swing radius is 13.2 ft, optimizing maneuverability on crowded job sites.