1. Basic Equipment Core Information
| Specification Item |
Standard Value |
| Equipment Type |
Super Large Mining Crawler Excavator |
| Model |
SANY SY550H |
| Manufacturing Year |
2021 |
| Operating Weight |
51,000 kg (51.0 T, 55T industry class) |
| Standard Bucket Capacity |
3.2 m³ |
| Original Manufacturer |
SANY Heavy Industry (China) |
2. Powertrain Specifications
| Specification Item |
Standard Value |
| Engine Model |
Isuzu 6WG1 (6-cylinder, water-cooled, turbocharged direct injection mining diesel engine) |
| Rated Power / Speed |
300 kW / 1800 rpm |
| Engine Displacement |
15.681 L |
| Max Torque |
2050 N·m / 1300 rpm |
| Fuel Tank Volume |
680 L |
| Radiator Capacity |
24 L |
| Engine Oil Capacity |
50 L |
| Intake System |
Turbocharged & Intercooled |
| Emission Standard |
China Stage III (Compatible with low-quality fuel in mining regions) |
3. Hydraulic System Specifications
| Specification Item |
Standard Value |
| Hydraulic Tank Capacity |
480 L |
| Main Pump Type |
Dual Variable Displacement Axial Piston Pumps |
| System Standard Working Pressure |
34.3 MPa |
| Bucket Digging Force |
350 kN |
| Arm Digging Force |
280 kN |
| Control System |
AOCT Intelligent Electro-hydraulic Power Matching & Load Sensing Control |
| Auxiliary Circuit |
Dual-pump confluence for heavy hydraulic breakers |
4. Undercarriage & Travel System Specifications
| Specification Item |
Standard Value |
| Track Type |
Heavy Mining Steel Track Shoes |
| Track Shoe Width |
600 mm |
| Track Rollers (Per Side) |
9 |
| Carrier Rollers (Per Side) |
2 |
| Ground Contact Length of Track |
4250 mm |
| Total Track Length |
5440 mm |
| Travel Speed (Low / High) |
3.1 km/h / 5.4 km/h |
| Gradeability |
35° |
| Ground Contact Pressure |
87.1 kPa |
5. Operating Performance Parameters
| Specification Item |
Standard Value |
| Maximum Digging Height |
12050 mm |
| Maximum Unloading Height |
8580 mm |
| Maximum Digging Depth |
8850 mm |
| Vertical Boom Max Digging Depth |
7920 mm |
| Maximum Digging Reach |
13200 mm |
| Minimum Slewing Radius |
4520 mm |
| Slewing Speed |
8 rpm |
6. Standard Working Device Specifications
| Specification Item |
Standard Value |
| Standard Boom Length |
7.0 m |
| Standard Stick Length |
2.5 m |
| Applicable Bucket Capacity Range |
2.8 – 3.8 m³ |
| Bucket Pin Diameter |
100 mm |
| Compatible Attachments |
Heavy-duty Hydraulic Breaker, Rock Ripper, Grapple, Quick Coupler, Screening Buket, Auger |
