HITACHI ZX400R-3 CRAWLER EXCAVATOR

Technical Description

The Hitachi ZX400R-3 is a mid-size hydraulic excavator engineered for demanding construction and excavation tasks. It features a robust Isuzu AH-6HK1X engine, a 6-cylinder, turbocharged, and intercooled diesel unit with a displacement of 475.4 cubic inches (7.8 liters), delivering a net power output of 270.9 horsepower (201 kW) at 1900 rpm and a maximum torque of 796.6 lb-ft at 1500 rpm. The machine’s hydraulic system is designed for high efficiency, with a pump flow capacity of 152.2 gallons per minute and a relief valve pressure of 4974.8 psi, ensuring powerful and responsive digging performance. The ZX400R-3 has an operating weight of 85,319 lbs and a ground pressure of 11.4 psi, providing excellent stability and traction. Its undercarriage includes 8 track rollers and 2 carrier rollers per side, with 46 shoes per side and a shoe size of 23.7 inches, offering durability and smooth travel over rough terrain. The excavator’s dimensions include a width to the outside of tracks of 10.5 feet, a height to the top of the cab of 11.2 feet, and a tail swing radius of 11.2 feet, making it suitable for a variety of job sites. The swing speed is 10.7 rpm, and the maximum travel speed is 3.2 mph (5 kph). The cooling system holds 8.5 gallons, the engine oil capacity is 10.9 gallons, and the fuel tank capacity is 166.5 gallons, supporting extended operation. The reference bucket capacity is 2 cubic yards, and the machine offers a maximum cutting height of 33.9 feet, a maximum digging depth of 24 feet, a maximum loading height of 23.7 feet, and a maximum reach along the ground of 35.7 feet.