HITACHI ZX135USK DEMO CRAWLER EXCAVATOR

Technical Description

The Hitachi ZX135USK Demo excavator is a mid-sized hydraulic machine designed for versatility and efficiency in tight workspaces. It features a powerful Isuzu CC-4BG1TC turbocharged and intercooled 4-cylinder diesel engine with a displacement of 264 cu in (4.329 L), delivering 88 hp (66 kW) at 2150 rpm and a peak torque of 250.8 lb-ft at 1600 rpm. This engine provides robust performance while maintaining fuel efficiency, aided by an automatic acceleration system that adjusts engine speed based on load. The ZX135USK Demo boasts impressive operational capacities, including a maximum cutting height of 30.3 ft, maximum digging depth of 18.2 ft, and a maximum loading height of 22.2 ft. Its maximum reach along the ground stretches to 26.8 ft, with a vertical wall digging depth of 16.4 ft. The machine supports bucket capacities ranging from 0.3 to 0.8 cubic yards, with a reference capacity of 0.7 cu yd. It has a compact transport size with a shipping height of 9.4 ft, length of 24 ft, and width to the outside of tracks of 8.9 ft. The excavator’s undercarriage includes 44 track shoes per side with a shoe size of 27.6 in and a track gauge of 6.6 ft, allowing a ground pressure of 4.5 psi and a maximum travel speed of 3.2 mph. The boom and hydraulic systems provide smooth and responsive operation, with a hydraulic pump flow capacity of 55.5 gpm and system relief valve pressure of 4980 psi. The swing mechanism offers a speed of 13.7 rpm and a compact tail swing radius of 4.9 ft, facilitating maneuverability in confined areas. Weighing approximately 30,440 lbs, the ZX135USK Demo combines durable build quality with operator comfort through an ergonomic and spacious cab design. Its refined hydraulic system enables precise control for various tasks, making it suitable for construction, urban projects, and other heavy-duty applications requiring both power and compactness.