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Komatsu Excavators PC2000-8

Komatsu Excavators PC2000-8
PC2000-8 Hydraulic Excavator

Komatsu’s “Operator First” design concept is exemplified in the PC2000-8 Hydraulic Excavator. The cab is designed for mining with 30% more cab volume, a full front window with two wipers, OPG level 2 top cab guard, extensive exterior lighting, a 7" LCD color monitor with Eco-gauge and an air suspension seat. The operator can tailor his machine performance using the Economy, Power or Heavy Lift modes for maximizing efficiency.

Engine
Model Komatsu SAA12V140E-3
Type 4-cycle, water-cooled, direct injection
Aspiration Turbocharged, aftercooled
Number of cylinders 12
Bore 5.51" 140 mm
Stroke 6.50" 165 mm
Piston displacement 1860 in³ 30.48 ltr
Governor All-speed, electronic
Horsepower:
SAE J1995 - Gross 976 HP 728 kW
ISO 9249 / SAE J1349 - Net 956 HP 713 kW
Hydraulic fan at maximum speed 910 HP 679 kW
Rated rpm 1800 rpm
Fan drive type Hydraulic
Hydraulic System
Type Open-center load sensing system
Number of selectable working modes 2
Main pump:
Type Variable displacement piston pumps
Pumps for Boom, arm, bucket, swing and travel circuits
Maximum flow:
For attachment, swing and travel 612.2 U.S. gpm 2317 ltr/min
For fan drive 85.6 U.S. gpm 324 ltr/min
Hydraulic motors:
Travel 2 x axial piston motors with parking brake
Swing 2 x axial piston motors with swing holding brake
Fan 2 x axial piston motors
Relief valve setting:
Attachment circuits:
Backhoe 4,270 psi 29.4 MPa 300 kgf/cm2
Loading shovel 4,270 psi 29.4 MPa 300 kgf/cm2
Travel circuit 4,760 psi 32.9 MPa 335 kgf/cm2
Swing circuit 4,270 psi 29.4 MPa 300 kgf/cm2
Pilot circuit 430 psi 2.9 MPa 30 kgf/cm2
Hydraulic cylinders:
Number of cylinders Bore x Stroke Bore x Stroke
Backhoe:
Boom / 2 11.8" x 104.2" 300 mm x 2647 mm
Arm / 2 9.8" x 84.2" 250 mm x 2138 mm
Bucket 7.9" x 85.4" 200 mm x 2170 mm
Loading shovel:
Boom / 2 11.0" x 76.0" 280 mm x 1930 mm
Arm / 2 7.9" x 85.4" 200 mm x 2170 mm
Bucket / 2 8.9" x 80.7" 225 mm x 2050 mm
Bottom dump / 2 7.1" x 23.6" 180 mm x 600 mm
Swing System
Swing gear 2 x Planetary gear
Swing circle lubrication Grease
Swing holding brakes Mechanical disc brakes
Swing speed 4.8 rpm
Drive System
Travel gear Planetary gear
Gradeability 65%
Maximum travel speed 1.7 mph 2.7 km/h
Parking brakes Mechanical disc brakes
Undercarriage
Track adjuster Grease
No. of shoes 49 each side
No. of carrier rollers 3 each side
No. of track rollers 8 each side
Coolant and Lubricant Capacity (Refilling)
Fuel tank 898.3 U.S. gal 3400 ltr
Radiator 47.6 U.S. gal 180 ltr
Engine 31.7 U.S. gal 120 ltr
Travel gear, each side 22.5 U.S. gal 85 ltr
Swing drive 7.9 x 2 U.S. gal 30 x 2 ltr
Hydraulic tank 343.5 U.S. gal 1300 ltr
PTO 7.9 U.S. gal 30 ltr

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