"Second-Hand Hydraulic Crawler Doosan 520 Large Premium Excavator in New Machine Condition"

• Arm Length: 6470m
• Bucket Capacity: 3.5
• Engine Power: 300 hp
• Model NO.: 520
• Operating Weight: 500
• Track Shoe Width: 1000
• Year of Manufacture: 5-10 Years Old
• Transport Package: "Container"
• Specification: 500
• Trademark: Doosan
• Origin: "China""Beijin
• Production Capacity: 1000

Product Description

Product Parameters

 

Specifications  
Power Traditional Power  
Manufacturer Joint Venture/Imported  
Bucket Type Backhoe  
Tonnage (tons) 52  
Operating Weight (kg) 50800  
Bucket Capacity (m³) 2.72~3.2  

Performance  
Rotation Speed (rpm) 8.3  
Rotation Torque (Nm) 16304  
Travel Speed (km/h) 5.3/3.1  
Bucket Digging Force (kN) 266.6/282.2  
Arm Digging Force (kN) 233.2/247.0  

Power System  
Engine Model DC13  
Rated Power (kw/rpm) 257/1800  
Number of Cylinders 6  
Bore × Stroke (mm) 130*160  

Hydraulic System  
Main Pump Type Variable Axial Piston Pump  
Main Pump Maximum Flow (l/min) 2*355  
Working Hydraulic Oil Circuit (Mpa) 33  
Travel Hydraulic Circuit (Mpa) 33  
Rotation Hydraulic Circuit (Mpa) 30  
Control Hydraulic Circuit (Mpa) 35  
Boom Cylinder - Number × Bore × Stroke (mm) 2-170*115*1650  
Arm Cylinder - Number × Bore × Stroke (mm) 1-190*130*1980  
Bucket Cylinder - Number × Bore × Stroke (mm) 1-170*115*1341  

Fluid Capacities  
Fuel Tank (L) 626  
Hydraulic Oil Tank (L) 390  
Engine Oil Change Volume (L) 45  
Coolant (L) 51  

Main Dimensions  
Transport Overall Length (mm) 11530  
Transport Overall Width (mm) 3340  
Transport Overall Height (mm) 4125  
Track Overall Length (mm) 5455  
Track Plate Width (mm) 600  
Minimum Ground Clearance (mm) 770  
Counterweight Ground Clearance (mm) 1460  
Minimum Swing Radius of Front Working Device (mm) 5120  
Swing Radius at Rear End (mm) 3800  
Number of Support Rollers (One Side) (pcs) 9  
Number of Sprockets (One Side) (pcs) 3  
Number of Track Plates (One Side) (pcs) 53  

Operating Range  
Maximum Digging Radius (mm) 10765  
Maximum Digging Radius at Standstill (mm) 10475  
Maximum Digging Depth (mm) 6765  
Maximum Digging Height (mm) 9705  
Maximum Unloading Height (mm) 6750  
Maximum Effective Digging Depth (mm) 10475