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SK850LC

Strongest Excavator. Highest Productivity.

Power Wave

of Change

The 85-ton ACERA GEOSPEC Kobelco SK850 LC is not just the strongest mining excavator, it also has the highest productivity in its class. Its many strengths include high productivity and durability, along with ease of transportation, and an environmentally-responsible design that reduces both fuel consumption and operating costs.

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
  •  

TECHNICAL SPECIFICATIONS

Download product brochure and browse key specifications of this model

performance

SpecificationValueUnits
Bucket Capacity2.8-5.4m3
Swing Speed8.4min-1{rpm}
Travel Speed4.2/2.7km/h
Gradeability70 {35}% {º}
Bucket Digging Force for Standard Arm(3.6m)403 {40,900}kN {kgf}
Arm Crowding Force for Standard Arm(3.6m)311 {31,600}kN {kgf}
Drawbar Pulling Force637 {65}kN {tf}

WEIGHT

SpecificationValueUnits
Operating Weight with shoe 650, 750, 900(Standard Arm)78,200, 78,800, 79,900Kg
Ground Pressure with shoe 650, 750, 900(Standard Arm)106 {1.08}, 92 {0.94}, 78 {0.80}kPa {kgf/cm2}
Shoe Width650, 750, 900mm

HYDRAULIC SYSTEM

SpecificationValueUnits
Pump Type Two Variable displacement piston pumps +
one gear pump
Pump Max.Discharge Flow2 x 504, 1 x 30L/min
Relief Valve Setting – Boom, arm and bucket33.0{337}MPa {kgf/cm2}
Swing Motor Axial – Piston motor
Travel Motors2 X axial-piston motor, two-step motors
Hydraulic Oil Tank473 Tank oil level
856 Hydraulic system
L

ENGINE

SpecificationValueUnits
ModelKOMATSU SAA6D14OE-5
Type Direct injection, water-cooled, 4-cycle electrically-controlled common rail system type diesel engine with turbocharger, intercooler
Rated Power Output370{503}/1800 (ISO14396: 2002)kW{PS}/min-1{rpm}
Max. Torque2197 / 1350N.m/min-1
Displacement15.24L
Fuel Tank960L

Compatible attachments

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