8 hours ago
Machine Introduction and Specifications
The Hitachi EX270LC hydraulic excavator is a powerful and reliable machine widely used in medium to heavy construction tasks such as digging, material handling, and earthmoving. Key specifications include:
The EX270LC, like many hydraulic excavators, may face operational issues such as hydraulic leaks, sluggish movement, or erratic control responses.
Users appreciate the Hitachi EX270LC for its durability and power but note that hydraulic system leaks and control wear are common after years of heavy use. Preventive maintenance is emphasized to avoid costly downtime, with experienced technicians recommending scheduled rebuilds of hydraulic pumps and regular monitoring of electronic control systems.
Conclusion
The Hitachi EX270LC is a solid choice for demanding excavation work, combining a strong engine with responsive hydraulic systems. Addressing usual wear points through diligent maintenance helps ensure the machine continues to operate efficiently and safely for years. Knowledge of hydraulic and electronic systems aids mechanic and operator troubleshooting, optimizing machine longevity and productivity.
The Hitachi EX270LC hydraulic excavator is a powerful and reliable machine widely used in medium to heavy construction tasks such as digging, material handling, and earthmoving. Key specifications include:
- Operating weight approximately 60,860 pounds (approximately 27,600 kg)
- Engine power around 168 hp with a turbocharged diesel engine
- Overall length about 34 feet, width about 11 feet, and operating height around 10.5 feet
- Large fuel capacity near 100 gallons supporting extended work durations
- Hydraulic flow capacity allowing smooth boom, stick, and bucket movement for efficient digging cycles
The EX270LC, like many hydraulic excavators, may face operational issues such as hydraulic leaks, sluggish movement, or erratic control responses.
- Hydraulic leaks may occur from worn seals, hoses, or faulty pumps leading to reduced pressure and fluid levels.
- Control joystick hesitations or jamming can result from electrical faults or hydraulic blockages.
- Engine performance problems such as rough idling or power loss can be linked to injected fuel system issues or sensor failures.
- Regularly monitor hydraulic fluid cleanliness and replace filters according to manufacturer intervals.
- Inspect hydraulic hoses and connectors daily for signs of wear or damage, ensuring proper torque on fittings.
- Electrical diagnostics tools can help identify sensor or control board issues affecting responsiveness.
- Calibration and adjustment of hydraulic valves maintain smooth operation and balanced force distribution.
- Engine tune-ups including fuel filter replacement and injector cleaning help preserve EFI system efficiency.
- Hydraulic System: Network of pumps, valves, hoses, and actuators transmitting force through pressurized fluid.
- Turbocharged Engine: Engine equipped with a turbine driven forced air induction to improve power output.
- Joystick Controls: Hand-operated levers managing boom, bucket, swing, and track functions hydraulically.
- Injector: Component delivering fuel into combustion chambers.
- Hydraulic Valve: Device regulating fluid flow and pressure within hydraulic circuits.
Users appreciate the Hitachi EX270LC for its durability and power but note that hydraulic system leaks and control wear are common after years of heavy use. Preventive maintenance is emphasized to avoid costly downtime, with experienced technicians recommending scheduled rebuilds of hydraulic pumps and regular monitoring of electronic control systems.
Conclusion
The Hitachi EX270LC is a solid choice for demanding excavation work, combining a strong engine with responsive hydraulic systems. Addressing usual wear points through diligent maintenance helps ensure the machine continues to operate efficiently and safely for years. Knowledge of hydraulic and electronic systems aids mechanic and operator troubleshooting, optimizing machine longevity and productivity.
