2025 Hitachi ZX490USLC-7: High-Power Excavator

The ZX490USLC-7 is a large ZAXIS-7 excavator for heavy construction. It uses a 388-hp (289-kW) Isuzu 6WG1 engine with common-rail injection and a DOC + SCR system, producing 1,431 lbf (1,940 Nm) of torque. Two axial-piston pumps supply 2×102 gal/min (385 L/min) of flow, and ECO/PWR/HP work modes help manage fuel. Weighing 108,026–110,672 lb (49,100–50,200 kg), the machine digs to 27 ft 2 in (8.27 m) and reaches 40 ft 3 in (12.28 m).

Key specs

Features

• Durable structure: Stout X-Frame undercarriage with enhanced track protection; reinforced boom and stick components; anti-mud-compaction rollers and a protective track cover.


• Advanced hydraulics: Adjustable ECO, PWR and HP modes; 16 attachment presets via the monitor; a two-way pattern change valve for ISO/SAE control; auxiliary piping and relief valves are standard.


• Customizable controls: Operators can adjust attachment and arm speed, store up to 16 presets and switch control patterns easily; the monitor shows service intervals and fluid levels.


• Comfortable cab: ROPS/FOPS-certified cab with low-noise design, 8-inch anti-glare monitor and panoramic windows; air-suspension seat with one-touch adjustment; Bluetooth®, USB and ample storage.


• Safety & visibility: 270-degree Aerial Angle camera system with multiple views; LED lighting, reflective strips and improved wipers; optional OPG Level II cab guard.


• Uptime & service: Dust-protecting air and air-conditioner filters; maintenance-free pre-cleaner and reversible fan; reinforced track links, bolt-on sprockets and centralized lubrication.

Conclusion

With high power, strong hydraulics and a durable undercarriage, the ZX490USLC-7 excels in heavy construction, highway work, quarrying and demolition. Its comfortable cab, customizable controls and built-in safety features help operators work efficiently and safely, while service-friendly design elements keep downtime low.