HITACHI ZX450 CRAWLER EXCAVATOR

Technical Description

The Hitachi ZX450 is a heavy-duty hydraulic excavator designed for high performance and versatility in large-scale earthmoving applications. Equipped with a turbocharged AA-6WG1TQA engine delivering 314 hp (234 kW) at 1800 rpm and a maximum torque of 940.4 lb-ft at 1500 rpm, it provides robust power for demanding tasks. The machine features an operating weight of approximately 93,696 lbs and a fuel capacity of 171.8 gallons, supporting extended operation times. The ZX450 offers multiple boom and stick configurations, enabling tailored reach and digging capabilities. These options provide maximum cutting heights ranging from 33.4 ft to 39.8 ft, maximum digging depths between 19.8 ft and 34 ft, and maximum reach along ground from 34 ft to 47.1 ft. Bucket capacities vary from 1.6 to 3.5 cubic yards, allowing flexibility depending on the job requirements. Its undercarriage features 23.7-inch-wide shoes, with a track gauge of 9 ft, delivering a ground pressure of 11.5 psi and a maximum travel speed of 3.5 mph. Stability is enhanced by a tail swing radius of 11.5 ft and a ground clearance of 1.7 ft. The hydraulic system includes a 95.2 gpm pump flow capacity operating at relief valve pressure of 4980 psi, ensuring efficient hydraulic performance. Dimensions for transport include a shipping height of 10.7 ft and a length of approximately 38.9 ft. The 12-volt electrical system powers operational components including variable-displacement axial piston pumps, with a swing speed of 9 rpm. These combined specifications make the Hitachi ZX450 a powerful and adaptable excavator suitable for various heavy excavation and loading tasks.