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Komatsu PC520LC-11M0(SE) Excavator Specifications - root - 04-23-2025
The Komatsu PC520LC-11M0(SE) is a large, 50-ton class crawler hydraulic excavator specifically engineered for mining, heavy-duty earthmoving, and rock-breaking operations. Designed to handle the most demanding work environments, it delivers exceptional digging force, fuel efficiency, and machine durability, backed by Komatsu’s cutting-edge hydraulic and electronic control systems.
🔧 Detailed Specifications
1. General Information
- Operating Weight: 51,000 kg
- Bucket Capacity: 2.80–3.22 m³
- Power Type: Diesel
- Travel Mode: Crawler
- Bucket Type: Backhoe
- Applications: Mining, quarrying, rock breaking, heavy-duty excavation
2. Engine
- Manufacturer: Komatsu
- Model: [Exact model not specified in the preview, likely Komatsu SAA6D140E-7 or similar]
- Rated Power: Approximately 299 kW (depending on region)
- Fuel Injection: Direct injection
- Cooling System: Water-cooled
- Engine Features: Turbocharged with aftercooler, optimized for low fuel consumption and emissions
3. Hydraulic System
- Main Pumps: Two variable-displacement axial piston pumps
- Control: Komatsu’s intelligent hydraulic control system
- Max Flow: [Details not shown in preview]
- Hydraulic Functions: Smooth multi-function operation, energy-saving priority valves
4. Performance
- Swing Speed: [Typically around 7.8 rpm for this class]
- Travel Speed (High/Low): Approx. 5.0 / 3.0 km/h
- Gradeability: 70% (35°)
- Bucket Digging Force: [Est. 280+ kN based on similar Komatsu models]
- Arm Digging Force: [Est. 240+ kN]
- Drawbar Pull: [High tractive force for rough terrain]
5. Working Range
- Max Digging Radius: Approx. 12,000 mm
- Max Digging Depth: Approx. 7,500 mm
- Max Dumping Height: Approx. 7,200 mm
(Actual values may vary depending on boom/arm combination)
6. Dimensions
- Overall Length: Around 12,000 mm
- Overall Width: Approx. 3,900 mm
- Overall Height: Approx. 4,000 mm
- Track Shoe Width: 600–800 mm
- Track Gauge: Approx. 2,900 mm
- Ground Clearance: Approx. 500 mm
- Tail Swing Radius: [Typical for large Komatsu: ~3,700 mm]
7. Fluid Capacities
- Fuel Tank: Approx. 600 L
- Hydraulic Oil Tank: Approx. 300 L
- Engine Oil Capacity: Approx. 38 L
✅ Summary
The Komatsu PC520LC-11M0(SE) delivers powerful performance, superior digging capabilities, and advanced operator comfort for large-scale construction and mining applications. With its robust design, high-capacity bucket, and Komatsu-developed intelligent hydraulic system, this machine ensures maximum uptime, productivity, and fuel efficiency in even the harshest job sites. It’s a preferred solution for contractors seeking reliability and long-term value in their heavy equipment fleet.