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SK850LC Mass Excavation

Conventional models

Product specifications SK850LC Mass Excavation
Operating weight:

80,500 kg – 81,700 kg

Engine rated power:

370 kW / 1,800 min-1 (ISO 14396)

Bucket capacity:

4.3 – 5.1 m3

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Product specifications

Engine

Model:
KOMATSU SAA6D140E-5
Type:
Direct injection, water-cooled, 4-cycle electrically-controlled common rail system type diesel engine with turbocharger, intercooler
Displacement:
15.24 L
Rated power output:
370 kW / 1,800 min-1 (ISO 14396)

Digging force

Bucket digging force (Standard):
432 kN (2.90m)
Arm crowding force (Standard):
351 kN (2.90m)

Hydraulic system

Type:
Two variable displacement pumps + 1 gear pump
Max. discharge flow:
2 × 504 L/min, 1 × 30 L/min
Relief Valve Setting:
33.0 MPa (Boom, arm and bucket)

Travel Force

Travel motors:
2 x axial-piston motor, two-step motors
Travel shoes:
51 each side
Travel speed:
4.2 / 2.7 km/h
Swing speed:
8.4 min-1
Drawbar pulling force:
637 kN (SAE)
Gradeability:
70 % {35°}
 

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