HITACHI EX300-3 CRAWLER EXCAVATOR

Technical Description

The Hitachi EX300-3 is a heavy-duty hydraulic excavator designed for versatile excavation tasks with three boom and stick configurations offering varying reach and digging capabilities. Option 1 delivers a maximum cutting height of 32.4 ft, a digging depth of 22.5 ft, and a maximum reach along the ground of 34 ft. Option 2 extends these capabilities to 33.6 ft cutting height, 24.3 ft digging depth, and 35.8 ft reach, while Option 3 maximizes performance with a 34.8 ft cutting height, 26.9 ft digging depth, and 38.4 ft horizontal reach. The excavator's maximum vertical wall digging depth ranges from 18.5 ft to 24.2 ft depending on configuration. Its bucket capacity ranges from 1.6 to 2.5 cubic yards to accommodate different load requirements. The EX300-3 features a turbocharged A-6SD1TQA engine with a displacement of 600 cubic inches, delivering 208 horsepower at 2000 rpm and a peak torque of 615.2 lbs-ft at 1400 rpm. The machine operates with a hydraulic pump flow capacity of 144.3 gallons per minute and a hydraulic system pressure of 4980 psi, ensuring efficient power delivery to its hydraulic components. Operating weight is approximately 64,800 lbs with ground pressure of 8.7 psi, and it provides a maximum travel speed of 3.5 mph. Dimensionally, the excavator has a ground clearance of 1.7 ft, cab height of 9.9 ft, track gauge width of 8.5 ft, and overall shipping lengths between 35.9 and 36.3 ft. The undercarriage consists of 47 track shoes per side, 8 track rollers, and 2 carrier rollers, supporting a stable and durable platform. The swing mechanism rotates at up to 12 rpm powered by a swing drive fluid capacity of 4.5 gallons. These specifications make the Hitachi EX300-3 a reliable and powerful excavator suitable for demanding construction and earthmoving applications.