Sunward SWE235E-3H Crawler Excavator Specifications

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The Sunward SWE235E-3H is a 23-ton class medium-sized crawler excavator designed for heavy-duty applications such as earthworks, mining, and municipal construction. Equipped with a Cummins QSB7 engine delivering 140 kW of power, it offers robust performance and fuel efficiency. The machine features a dual-pump hydraulic system and a large-displacement swing motor, ensuring high productivity and reliability in various working conditions.

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📋 Detailed Specifications
1. Basic Specifications

• Operating Weight: 23,100 kg
  
• Bucket Capacity: 1.2 m³
  
• Bucket Type: Backhoe
  
• Engine Model: Cummins QSB7
  
• Rated Power: 140 kW @ 2,050 rpm
  
• Maximum Torque: 800 N·m @ 1,200 rpm
  
• Displacement: 6.7 L
  
• Cylinder Count: 6
  
• Bore × Stroke: 107 mm × 124 mm
  
• Cooling Method: Water-cooled
  

2. Hydraulic System

• Main Pump Type: Dual-series variable displacement piston pumps
  
• Maximum Flow Rate: 2 × 240 L/min
  
• Pilot Pump Flow Rate: 21 L/min
  
• Pilot Circuit Pressure: 3.9 MPa
  
• Working Circuit Pressure: 31.4 / 34.3 MPa
  
• Travel Circuit Pressure: 34.3 MPa
  
• Swing Circuit Pressure: 26 MPa
  
• Arm Cylinder: 2 × 125 mm × 85 mm × 1,343 mm
  
• Boom Cylinder: 1 × 140 mm × 100 mm × 1,510 mm
  
• Bucket Cylinder: 1 × 120 mm × 85 mm × 1,055 mm
  

3. Performance Parameters

• Arm Digging Force: 115 kN
  
• Bucket Digging Force: 155 kN
  
• Maximum Traction Force: 232 kN
  
• Ground Pressure: 46.5 kPa
  
• Swing Speed: 13.4 rpm
  
• Travel Speed: 3.5 / 5.6 km/h
  
• Gradeability: 70%
  

4. Dimensions

• Transport Length: 9,520 mm
  
• Transport Width: 2,990 mm
  
• Transport Height: 3,130 mm
  
• Cab Height: 2,960 mm
  
• Track Length: 4,447 mm
  
• Track Width: 2,990 mm
  
• Track Gauge: 2,390 mm
  
• Track Shoe Width: 600 mm
  
• Minimum Ground Clearance: 478 mm
  
• Counterweight Ground Clearance: 1,060 mm
  
• Front Swing Radius: 3,565 mm
  
• Rear Swing Radius: 2,750 mm
  
• Roller Count (per side): 2
  
• Track Shoe Count (per side): 49
  
• Idler Count (per side): 9
  

5. Working Range

• Maximum Digging Radius: 9,670 mm
  
• Maximum Digging Depth: 6,690 mm
  
• Maximum Digging Height: 9,815 mm
  
• Maximum Dumping Height: 6,925 mm
  
• Maximum Vertical Digging Depth: 5,740 mm
  

6. Fuel & Oil Capacities

• Fuel Tank Capacity: 370 L
  
• Hydraulic Tank Capacity: 250 L
  
• Engine Oil Capacity: 24 L
  

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✅ Summary
The Sunward SWE235E-3H crawler excavator is a versatile and powerful machine suitable for a wide range of applications, including earthworks, mining, and municipal construction. Its robust Cummins engine, efficient hydraulic system, and durable components ensure high productivity and reliability. The machine's advanced features, such as the dual-pump hydraulic system and large-displacement swing motor, enhance its performance in demanding conditions. With its comprehensive specifications and features, the SWE235E-3H is a valuable asset for contractors seeking a reliable and efficient excavator.