Liebherr R9100B Mining Excavator Specifications

[MikePhua]

The Liebherr R9100B Mining Excavator is a 100-ton class hydraulic mining excavator designed for medium-scale open-pit mines and large quarries. It integrates Liebherr’s in-house high-efficiency diesel engine and advanced hydraulic system, delivering exceptional digging force and outstanding reliability. With its robust structure, operator comfort, and easy maintenance, the R9100B is an ideal solution for high-productivity mining operations and pairs perfectly with 50-ton class mining dump trucks.

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📐 Detailed Specifications (List)
1. General Specifications

• Operating Weight: Approx. 86,000 kg (varies by configuration)
  
• Standard Bucket Capacity (Front Shovel): Approx. 7.5 m³
  
• Standard Bucket Capacity (Backhoe): Approx. 7.0 m³
  
• Rated Power: 565 kW @ 1,800 rpm
  
• Fuel Tank Capacity: 1,500 L
  
• Hydraulic Tank Capacity: 620 L
  

2. Engine Specifications

• Model: Liebherr D9512 A7
  
• Engine Type: 12-cylinder V-type diesel engine
  
• Rated Power: 565 kW
  
• Displacement: 24.2 L
  
• Emission Standard: Stage II or Tier 2 (depending on market)
  

3. Operating Range (Backhoe Configuration)

• Maximum Digging Height: 12,900 mm
  
• Maximum Dumping Height: 8,200 mm
  
• Maximum Digging Depth: 6,600 mm
  
• Maximum Digging Radius: 12,400 mm
  

4. Performance

• Maximum Digging Force (Arm): Approx. 472 kN
  
• Maximum Digging Force (Bucket): Approx. 505 kN
  
• Travel Speed: 2.3 km/h
  
• Swing Speed: 4.0 rpm
  
• Gradeability: 70% (35°)
  

5. Other Dimensions

• Track Shoe Width: 650 mm (other widths optional)
  
• Ground Pressure: Approx. 148 kPa
  
• Transport Length (with attachment): Approx. 13,780 mm
  
• Transport Width: 6,080 mm
  
• Transport Height: 6,660 mm
  

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✅ Summary
Key features of the Liebherr R9100B Mining Excavator:

• Powered by Liebherr’s in-house high-output diesel engine for strong, fuel-efficient performance.
  
• Highly responsive hydraulic system ensures precise matching and high productivity.
  
• Robust structural components made from high-strength steel ensure durability and reliability under harsh mining conditions.
  
• Spacious cab with wide visibility and ergonomic design enhances operator comfort and safety.
  
• Well-designed maintenance access and service points reduce downtime and simplify servicing.
  
• Perfectly matched to work efficiently with 50-ton class mining dump trucks, maximizing productivity in mining operations.