Hyundai HX520L Excavator

Performance Capabilities and Applications

The HX520L excels in medium to large-scale production where sustained material movement and efficient loading cycles are essential. Multiple boom and arm configurations accommodate diverse application requirements. The standard 7.06 m boom with 3.38 m arm delivers 12,060 mm maximum digging reach with 279.5 kN (28,500 kgf) ISO bucket digging force, enabling efficient extraction from quarry benches and loading of medium to large haul trucks.

The versatile configuration options include a 6.55 m boom with arms ranging from 2.55 m to 2.90 m for tighter working areas, while the extended 9.0 m boom with 6.0 m arm configuration achieves 16,110 mm maximum digging reach for specialized applications requiring exceptional horizontal coverage, such as canal excavation, stockpile management, or extended reach operations. Bucket capacity ranges from 1.00 to 3.20 m³, accommodating both precision work and maximum productivity loading cycles.

The hydraulic system operates at 330 kgf/cm² relief pressure for implementing circuits with power boost capability reaching 360 kgf/cm² for boom, arm, and bucket functions. This configuration delivers 279.5 kN (28,500 kgf) ISO bucket digging force and 246.2 kN (25,100 kgf) ISO arm crowd force with the 6.55 m boom and 2.55 m arm setup, handling abrasive materials and dense rock formations without compromising cycle times.

Consider the HX520L if your operation requires sustained medium to high-volume production in demanding conditions, handles material densities consistently up to 2,100 kg/m³, or demands versatile reach capabilities for diverse excavation applications. The machine’s three-stage power mode (P-Power, S-Standard, E-Economy) ensures optimal performance in any operating environment, with improved fuel efficiency of 9% in truck loading, 15% in leveling, and 12% average daily fuel efficiency compared to previous generation models.

Heavy-Duty Performance for Southern African Mining and Quarrying Operations

Excavators in the 50-tonne class represent a crucial segment of mobile excavation technology, designed specifically for medium to large-scale mining, quarrying operations, and major civil infrastructure projects. The Hyundai HX520L delivers 246 kW (330 HP) of net power through its Cummins X12 engine, providing sustained heavy-duty performance in demanding Southern African working environments. We supply the HX520L to operations across the region with comprehensive technical support and genuine parts availability from our established network.

This 52,370 kg excavator operates at the scale required by medium to large-scale operations where equipment reliability and efficiency directly determine operational profitability. The machine’s exceptional digging forces and versatile reach capabilities address the specific requirements of bench mining, material handling, and large-scale excavation throughout Southern Africa.

Why Choose the Hyundai HX520L?

Exceptional power output: The Cummins X12 six-cylinder turbocharged engine produces 246 kW net power at 2,100 rpm with peak torque of 1,674 N·m (1,235 lb·ft) at 1,400 rpm. The water-cooled, 4-cycle, charge air-cooled, direct injection, electronically controlled diesel engine delivers up to 276 kW (370 HP) maximum power at 1,800 rpm. The 11.8-liter displacement ensures powerful, efficient combustion for demanding applications while meeting Tier 3 emission standards.
Advanced hydraulic system: The variable displacement axial piston pump system delivers 2×394 L/min maximum flow with an additional 23.9 L/min gear pump for pilot circuit operations. The Intelligent Power Control (IPC) system continuously monitors and adjusts hydraulic flow based on real-time load demands, optimizing pump flow rate through individual pump control. The cross-sensing and fuel-saving pump system provides exceptional controllability while minimizing operator effort and reducing fuel consumption by up to 12% in daily operations compared to previous generation models.
Superior structural strength: Low-stress, high-strength steel components are integrally welded to form robust boom and arm assemblies with all-welded, full-box section design. Structural integrity undergoes rigorous validation through Finite Elements Method (FEM) analysis and extensive durability testing including road tests and virtual simulation. The reinforced undercarriage features an X-leg type center frame integrally welded with reinforced box-section track frames, sealed track chains, full track rail guards, and grease-type track tensioners.
Extended service intervals: The HX520L incorporates reinforced pins, bushings, and wear-resistant polymer shims that significantly reduce maintenance frequency while minimizing gaps between equipment and attachments. The machine’s durable cooling module has passed stringent testing to demonstrate highest productivity in tough working environments. Chrome-coated pins and high-pressure hoses with improved heat and pressure resistance greatly increase equipment durability.

Technical Specifications

The Cummins X12 engine features electronic control optimizing fuel-to-air ratios for efficient combustion while meeting Tier 3 emission standards. Fuel tank capacity of 660 liters supports extended operating shifts in remote locations. The hydraulic system capacity totals 499 liters including the 275-liter hydraulic tank.

The X-leg type center frame with integrally welded reinforced pentagonal box-type track frames distributes operating weight across 53 track links per side. Standard 600 mm triple grouser shoes provide 0.90 kgf/cm² ground pressure, with options for 700 mm and 800 mm widths reducing ground pressure to 0.78 kgf/cm² and 0.69 kgf/cm² respectively for challenging underfoot conditions. Heavy-duty 600 mm triple grouser shoes and 600 mm double grouser shoes are also available.

Key Specifications

Specification
Engine
Gross Power
Net Power
Max Power
Operating Weight
Bucket Capacity
Maximum Digging Reach
Bucket Digging Force (ISO)
Arm Crowd Force (ISO)
Fuel Tank Capacity
Hydraulic System Capacity
Track Shoe Width (Std)
Ground Pressure
Max Travel Speed (H/L)
Swing Speed
Max Drawbar Pull

HX520L
Cummins X12, Tier 3
250kW (335HP) @2,100rpm
246kW (330HP) @2,100rpm
276kW (370HP) @1,800rpm
52,370 kg
1.00-3.20 m³
12,060mm
279.5 kN (28,500 kgf)
246.2 kN (25,100 kgf)
660 liters
499 liters (including tank)
600 mm
0.90 kgf/cm²
5.3 km/h / 3.3 km/h
8.5 rpm
39,674 kgf (87,466 lbf)

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