Komatsu PC138US-10 Hydraulic Excavator parts

Komatsu PC138US-10 Hydraulic Excavator - it is a big machine. It is a Crawler Excavator and works in difficult operating conditions. That's why this machine sometimes needs maintenance.

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Here is some more information about Komatsu PC138US-10 Excavator:

ENGINE
Model .......................................................... Komatsu SAA4D95LE-6
Type...............................Common rail direct injection, water-cooled,
emissionised, turbocharged, after-cooled diesel
Engine power
at rated engine speed.................................................... 2.050 rpm
ISO 14396..........................................................72,6 kW / 97,3 HP
ISO 9249 (net engine power) .............................69,7 kW / 93,5 HP
No. of cylinders ................................................................................4
Bore × stroke.................................................................95 × 115 mm
Displacement...........................................................................3,26 l
Starter motor ...........................................................................4,5 kW
Alternator............................................................................ 24 V/60 A
Battery........................................................................2 × 12 V/72 Ah
Air filter type .......................Double element type with monitor panel
dust indicator and auto dust evacuator

HYDRAULIC SYSTEM
Type..............HydrauMind. Closed-centre system with load sensing
and pressure compensation valves
Main pump ........................................Variable-capacity piston pump
Pumps for.................. Boom, arm, bucket, swing, and travel circuits
Maximum pump flow.........................................................242 ltr/min
Hydraulic motors:
Travel............................. 2 × axial piston motor with parking brake
Swing..................1 × axial piston motor with swing holding brake
Relief valve settings:
Implement...........................................................................355 bar
Travel...................................................................................355 bar
Swing..................................................................................276 bar
Pilot.......................................................................................33 bar

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