HD SERIES

SK850LC

General Specification

ModelSK850LC
Performance
Bucket Capacity ISO heaped m32.8-5.4
Swing Speed min-1{rpm}8.4 {8.4}
Travel Speed km/h4.2/2.7
Gradeability % {0}70 {35}
Bucket Digging Force kN {tf}432 {44.1}
Arm Crowding Force kN {tf}351 {35.8}
Drawbar Pulling Force kN {tf}637 {65}
Weight
Operating Weight Kg78,200 - 80,500
Ground Pressure (with Std Shoe width) kPa {kgf/cm2}92 {0.94}
Shoe Width mm750
Engine
ModelKOMATSU SAA6D140E-5
TypeDirect Injection, Water Cooled, 4-Cycle, 6 Cylinder Electrically Controlled common rail system type diesel engine with turbo charger, Intercooler
Power OutputHP (kW)/min-1603 PS{370} /1800
Max. TorqueN.m/min-12197 / 1350
DisplacementL15.24
Fuel Tank L960
Hydraulic System
PumpTwo variable displacement pumps + one gear pump
Max. Discharge Flow L/min2 x 504, 1 x 30
Relief Valve Setting MPa {kgf/cm233.0{337}
Swing MotorAxial-piston motor
Travel Motors2 x axial-piston, two-step motors
Hydraulic Oil Tank L856: System (473 Tank oil level)

 

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