HITACHI ZX250H-3 CRAWLER EXCAVATOR

Technical Description

The Hitachi ZX250H-3 excavator is a robust and versatile medium-sized hydraulic excavator designed for heavy-duty construction tasks. It features a powerful AH-4HK1X engine with a displacement of 316.9 cubic inches, delivering a net power output of 177 hp (132 kW) and maximum torque of 496.4 lbs-ft, enabling efficient digging and lifting performance. The machine operates on a 12-volt electrical system and is equipped with a 55-amp alternator to support auxiliary electrical demands. With an operating weight of approximately 54,454 lbs, the ZX250H-3 provides stability and traction, enhanced by an undercarriage that includes 47 track shoes per side and 8 track rollers per side, each shoe measuring 23.7 inches. Its travel speed reaches up to 3.5 mph (5 kph) with a drawbar pull force of around 49,908 lbs and a ground pressure of 7.9 psi, allowing it to navigate various terrain types safely and efficiently. Hydraulic performance is strong, featuring a pump flow capacity of 59.2 gallons per minute and a hydraulic system fluid capacity of 74 gallons, supporting rapid cycle times and precise control of attachments. The swing mechanism operates at a speed of 13.5 rpm with a 2.5-gallon fluid capacity in the swing drive system, providing smooth rotational capabilities. Dimensions include a cab height of 5.5 feet and a track width of 3.3 feet. Key fluid capacities include 132.1 gallons of fuel, 6.9 gallons of cooling system fluid, and 6.1 gallons of engine oil, underscoring its capacity for extended operation with minimal downtime. Overall, the Hitachi ZX250H-3 combines reliability, power, and efficiency for demanding excavation work.