Carter Heavy Industry CT70-8G Excavator Specification

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The Carter CT70-8G is a 7-ton class crawler hydraulic excavator designed for small to medium-scale earthworks, road construction, and municipal engineering. Equipped with a Cummins engine and a high-efficiency hydraulic system, it delivers excellent performance and fuel economy across a variety of complex job sites.
Technical Specifications
General Information

• Operating weight: 6500 kg
  
• Bucket capacity: 0.22 m³
  
• Boom length: 3050 mm
  
• Arm length: 1600 mm
  
• Power type: Conventional diesel
  
• Bucket type: Backhoe
  
• Manufacturer: Domestic (China)
  

Performance

• Bucket digging force: 36.7 kN
  
• Arm digging force: 26.1 kN
  
• Swing speed: 10 rpm
  
• Travel speed: 2.5 / 4.0 km/h
  
• Gradeability: 70%
  
• Ground pressure: 34 kPa
  

Power System

• Engine model: Cummins B3.3-C80
  
• Rated power: 60 kW at 2200 rpm
  

Hydraulic System

• Main pump type: KYB PSVD2
  
• Max flow of main pump: 59.2 × 2 L/min
  
• Main relief pressure: 24.5 MPa
  
• Pilot pump flow: 11.3 L/min
  
• Swing motor: KYB MSG-27P
  
• Travel motor: Doosan TM07VC
  

Fluid Capacities

• Hydraulic oil tank: 120 L
  
• Fuel tank: 125 L
  

Dimensions

• Overall track width: 1880 mm
  
• Track shoe width: 400 mm
  
• Track gauge: 1480 mm
  
• Total track length: 2665 mm
  
• Ground contact length: 2000 mm
  
• Minimum ground clearance: 400 mm
  
• Counterweight clearance: 780 mm
  
• Rear swing radius: 1775 mm
  
• Minimum front swing radius: 2555 mm
  
• Upper structure width: 1785 mm
  
• Transport length: 6070 mm
  
• Transport width: 1880 mm
  
• Transport height: 2159 mm
  

Working Range

• Max digging radius: 6245 mm
  
• Max digging radius on ground: 6100 mm
  
• Max digging depth: 3875 mm
  
• Max vertical digging depth: 2900 mm
  
• Max digging height: 5785 mm
  
• Max dumping height: 4095 mm
  

Summary
With its powerful engine, efficient hydraulic system, and wide working range, the CT70-8G excels in mid-scale construction projects. Its strong climbing ability and compact structure make it highly adaptable to complex terrain, making it a reliable choice for municipal, road, and landscaping applications.