The perfect mining excavator



The Kobelco SK520XDLC delivers in the most testing conditions in the already demanding mining applications. Increased power is complemented by improved efficiency, and this means your search for the perfect mining excavator has just ended.

Features & Benefits

  • Newly developed XD boom made of stronger plates
  • Top class traveling force
  • Reinforced boom and arm
  • Large, reinforced track guides
  • Powerful travel system
  • Improved filtration system
  • Thick upper under covers for increased durability
  • Long, solid rock guards
  • Hydraulic drive for engine cooling fan
  • Independent oil cooler fan
  • Reinforced guide frame
  • Double-support outer flange upper rollers
  • Thicker steel plate for shoes
  • Increased durability of the track link
  • Lower frame underside cover to protect against damage
  • Arm regeneration system
  • Fuel efficient ECO-mode
  • Larger cab for easy ingress & egress
  • More comfortable seat
  • Air conditioner louvers behind the seat
  • Super airtight cab
  • Multi-display in color
  • Low vibration
  • One-touch attachment mode switch
  • Wide front window for unobstructed view
  • Convenient interior equipment
  • A lighter touch lever for reducing operator fatigue
  • Improved operational safety cab guard (optional)
  • Rearview mirrors for wide view during operations
  • Rear view camera (optional)
  • Travel alarm(optional)
  • Hammer for emergency exit
  • Spacious engine compartment for easy, on-the-spot maintenance
  • The layout allows for easy access from ground level
  • Special crawler frame for easy mud removal
  • Easy cleaning with detachable two-piece floor mat and a floor drain
  • Engine oil pan equipped with drain valve
  • Easy removal of internal and external air conditioner filters


Download product brochure and browse key specifications of this model


Bucket Capacity2.1-3.4m3
Swing Speed7.6min-1{rpm}
Travel Speed5.4/3.4km/h
Gradeability70 {35}% {º}
Bucket Digging force ME 2.6 Arm282kN
Bucket Digging force Short 3.0 Arm270kN
Bucket Digging force ME 2.6 Arm with power boost308kN
Bucket Digging force Short 3.0 Arm with power boost295kN
Arm Crowding Force ME 2.6 Arm239kN
Arm Crowding Force Short 3.0 Arm224kN
Arm Crowding Force ME 2.6 Arm with power boost261kN
Arm Crowding Force ME 3.0 Arm with power boost245kN


Operating Weight50,800, 51,000Kg
Ground Pressure87, 88kPa
Shoe Width600mm


Pump Type Two Variable displacement piston pumps +
one gear pump
Pump Max.Discharge Flow2×370L/min
Swing Motor Axial – Piston motor
Travel MotorsVariable displacement piston pump
Hydraulic Oil Tank371 Tank oil level
631 Hydraulic system


Type Water Cooled, 4 cycle 6 Cylinder direct injection type diesel engine with intercooler turbo-charger
Rated Power Output344(257)/1,850 (ISO 14396)kW/min-1
Max. Torque1470/1,400 (ISO 14396)N.m/min-1
Fuel Tank638L

Compatible attachments

A range of attachments for varied applications, making Kobelco’s highly productive excavators even more versatile.


Kobelco is backed up by an expert network of authorised dealer partners. Be rest assured of getting the right solutions, genuine parts and service backup for your machines.