21.8ton China Digging Equipment Hydraulic Excavator

• After-sales Service: Online Video Instruction
• Warranty: 2
• Type: Crawler Excavator
• Usage: GM Excavator
• Bucket: Backhoe
• Transmission: Hydraulic Transmission
• Model NO.: CDM6220
• Drive Type: Internal Combustion Drive
• Bucket Capacity: 0.5~1.0m³
• Size: Medium-Sized
• Certification: CE
• Condition: New
• Self Weight: 21800kg
• Shipping Length: 9551mm
• Shipping Height: 3200mm
• Tumbers Distance: 3462mm
• Radius Swing Center to Rear End: 2860mm
• Counterweight Ground Clearance: 1061mm
• Track Gauge: 2380mm
• Overall Width: 2980mm
• Width of Upper Structure: 2740mm
• Track Shoe Width(Standard): 600mm
• Min. Ground Clearance: 480mm
• Origin: China
• HS Code: 8429521200

Product Description

 

Product Description

The whole machine	Approximate Weight (kg)	21800
	Bucket Volume (m')	1.0
	Pressure to the Ground (kPa)	45
	Travel Speed (Low/High)(km/h)	3.2/5.1
	Rotation Speed (rpm)	12.1
	Gradeability(' )	35
The engine	Model	QSB6.7
	Power (kW/rpm)	124/2000
	Displacement (L)	6.7
	Fuel Tank Capacity (L)	380
The hydraulic system	Work Pressure (MPa)	31.4/34.3
	Flow (L/min)	208*2
	Hydraulic Tank Capacity (L)	190/270
Digging force	Max. Bucket Digging Force(kN)	135/158
	Max. Arm Digging Force (kN)	102/105

 

 Product structure

 

Hydraulic system	Adopt negative hydraulic flow system.Automatic sensor control, with regeneration priority and other functions.More flexible response,  higher work efficiency and more precise operation.
Electronic control system	Display and control system upgrade The control system reacts faster.More precise power matching
Power system	Standard Cummins QSB6.7 engine National Ill emission standard.Lower fuel consumption and less noise
CAB	Adopt new cab.Optimizing the force and structure of the pilot control.Greatly relieves operational fatigue
Structure	Comprehensive optimization of structural parts process.3D CREO Software Structural Analysis. High standard automatic welding technology.Ensure structural stability and durability
Cooling system	Adopt new cooling system.Improve heat dissipation and reduce noise 10% increase in cooling effect. Longer service life of the engine and hydraulicsystem

 

Detailed Photos