SANY SY870H Excavator Specifications

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The SANY SY870H is a 78-ton class large crawler hydraulic excavator, specially engineered for mining stripping, heavy-duty earthwork, and high-intensity breaking operations. It features the Isuzu 6WG1X engine, a Kawasaki full electronic hydraulic system, and delivers exceptional power output, fuel efficiency, and operational reliability.

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🔧 Detailed Specifications
1. General Information

• Operating Weight: 78,600 kg
  
• Bucket Capacity: 5.0–6.0 m³
  
• Power Source: Diesel
  
• Travel Mode: Crawler
  
• Bucket Type: Backhoe
  
• Application: Mining, heavy-duty excavation, rock breaking
  

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2. Engine

• Brand: Isuzu
  
• Model: 6WG1X
  
• Type: Direct injection, 6-cylinder, 4-stroke, turbocharged and intercooled, water-cooled
  
• Displacement: 15.681 L
  
• Rated Power: 382 kW @ 1800 rpm
  
• Max Torque: 2250 N·m @ 1300 rpm
  

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3. Hydraulic System

• Main Valve: Kawasaki full electric control
  
• Main Pump: Kawasaki high displacement pump
  
• Features:
  • Dual-swing motor enhances rotation torque and smoothness
    
  • Heavy-load P-Q power boost control for improved digging efficiency and fuel balance
    

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4. Performance

• Travel Speed (High/Low): 4.5 / 2.9 km/h
  
• Gradeability: 35°
  
• Swing Speed: 7.2 rpm
  
• Ground Pressure: 112 kPa
  
• Bucket Digging Force: 420 kN
  
• Arm Digging Force: 365 kN
  

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5. Working Range

• Max Digging Radius: 11,703 mm
  
• Max Digging Depth: 7,247 mm
  
• Max Digging Height: 10,910 mm
  
• Max Dumping Height: 7,047 mm
  
• Max Vertical Dig Depth: 6,792 mm
  

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6. Dimensions

• Transport Length: 13,002 mm
  
• Transport Width: 4,320 mm
  
• Transport Height: 4,742 mm
  
• Cabin Height: 3,795 mm
  
• Upper Frame Width: 3,460 mm
  
• Track Ground Length: 4,770 mm
  
• Overall Track Length: 5,946 mm
  
• Track Shoe Width: 650 mm
  
• Track Gauge (Work/Transport): 3,380 / 2,780 mm
  
• Min Ground Clearance: 880 mm
  
• Tail Swing Radius: 4,220 mm
  

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7. Fluids & Capacities

• Fuel Tank: 950 L
  
• Engine Oil: 42–57 L
  
• Radiator Coolant: 75 L
  
• Final Drive: 2 × 16 L
  

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✅ Summary
The SANY SY870H is a robust, high-powered machine ideal for large-scale excavation, mining, and demolition work. With its advanced Isuzu engine, Kawasaki intelligent hydraulic system, and operator-focused design, it delivers outstanding efficiency, power, and comfort. Its durable structure and smart control logic make it a top choice for high-intensity job sites.