حفارة مجنزرة Hyundai R220LC-9S

The Hyundai Robex 220LC-9S (often shortened to R220LC-9S) is a 22-ton class medium-duty crawler excavator from Hyundai’s 9S “Superior” series, built for general construction, trenching, and light-to-medium earthmoving. It’s valued for strong reliability, fuel efficiency, and precise control.
Key Features
1. Cummins QSB6.7 Engine
Proven Performance: 114 kW power with high low-end torque for digging and lifting.
Durability: 6.7L displacement, robust components for 15,000+ hour service life.
Auto-Idle: Reduces engine speed after 3 seconds of inactivity, cutting fuel use by 5–8%.
2. EPC Intelligent Hydraulics
Precision & Smoothness: Electronically controlled pumps deliver fast, precise movements for trenching/grading.
Load Sensing: Real-time flow adjustment reduces waste in light tasks, saving fuel.
Strong Lifting: Balanced hydraulic output for heavy loads and tight-site work.
3. Reinforced Structure & Durability
Heavy-Duty Boom/Arm: 5.68m boom + 2.92m arm with thickened steel and reinforced welds.
Long LC Undercarriage: Wider track base improves stability on soft ground, lowers ground pressure.
Corrosion Protection: Sealed components and heavy-duty paint resist rust in wet/muddy conditions.