HOW HIDRAULIC EXCAVATOR KOMATSU PC-130 WORK || SPECIFICATION

Komatsu Excavators PC130-8 Specifications : Engine Model Komatsu SAA4D95LE-5 Type Water cooled, 4-cycle, direct injection Aspiration Turbocharged, and air-to-air aftercooled Number of cylinders 4 Bore 3.74" 95 mm Stroke 4.53" 115 mm Piston displacement 199 in³ 3.26 ltr Horsepower: Gross (SAE J1995) @ 2200 rpm 97 HP 72 kW Net (ISO 9249/SAE J1349) @ 2200 rpm 92 HP 68 kW Governor All speed control, electronic Lubrication system: Method Gear pump, force-lubrication Filter Full-flow Air cleaner Dry type with double elements and auto dust evacuator, plus dust indicator EPA Tier 3 and EU Stage 3A emissions certified. Hydraulic System Type HydrauMind (Hydraulic Mechanical Intelligence New Design) system, Closed-center system with load-sensing valves and pressure-compensated valves Number of selectable working modes 5 Main pump: Type Variable displacement piston type Pumps for Boom, arm, bucket, swing, and travel circuits Maximum flow 64 U.S. gal/min 242 ltr/min Supply for control circuit Self-reducing valve Hydraulic motors: Travel 2 x axial piston motor with parking brake Swing 1 x axial piston motor with swing holding brake Relief valve setting: Implement circuits 4,620 psi 31.9 MPa / 325 kgf/cm² Travel circuit 5,050 psi 34.8 MPa / 355 kgf/cm2 Swing circuits 3,580 psi 24.7 MPa / 252 kgf/cm² Pilot circuit 470 psi 3.2 MPa / 33 kgf/cm² Hydraulic cylinders / Number of cylinders: bore x stroke x rod diameter bore x stroke x rod diameter...