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Komatsu Excavators PC228USLC-10

Komatsu Excavators PC228USLC-10
Specifications
Engine
Model
Komatsu SAA6D107E-2*
Type
Water-cooled, 4-cycle, direct injection
Aspiration
Turbocharged and air-to-air aftercooled
Number of cylinders
6
Bore4.21"107 mm
Stroke4.88"124 mm
Piston displacement408 in³6.69 ltr
Horsepower:

SAE J1995 / Gross165 HP123 kW
ISO 9249 / SAE J1349 / Net158 HPNet 116 kW
Rated rpm
2000
Governor
All-speed control, electronic
Lubrication system:

Method
Gear pump, force-lubrication
Filter
Full-flow
Air cleaner
Air cleaner, double element and auto dust evacuator
*EPA Tier 4 Interim and EU stage 3B emissions certified

Hydraulic System
Type
HydrauMind (Hydraulic Mechanical Intelligence) system, closed-center system with load sensing valve and pressure compensated valve
Main pump

Type
Variable-capacity piston pump.
Pumps for
Boom, arm, bucket, swing, and travel circuits.
Maximum flow125.5 gal/min475 ltr/min
Hydraulic motors:

Travel
2 x axial piston motor with parking brake
Swing
1 x axial piston motor with swing holding brake
Relief valve setting:

Travel circuits5,400 psi37.3 MPa 380 kgf/cm²
Pilot circuit470 psi3.2 MPa 33 kgf/cm²
Implement circuits5,400 psi37.3 MPa 380 kgf/cm²
Swing circuits4,264 psi29.4 MPa 299 kgf/cm²
Hydraulic cylinders:

(Number of cylinders – bore x stroke x rod diameter)

Boom / 24.7" x 54.5" x 3.3"120 mm x 1385 mm x 85 mm
Arm / 15.3" x 58.7" x 3.7"135 mm x 1490 mm x 95 mm
Bucket / 14.5" x 44.1" x 3.2"115 mm x 1120 mm x 80 mm

Drives and Brakes
Steering control
Two-lever with pedals
Drive method
Fully hydrostatic
Maximum drawbar pull45,410 lb202 kN
20600 kgf
Maximum travel speed:

High3.4 mph5.5 km/h
Mid2.5 mph4.1 km/h
Low1.9 mph3.0 km/h
Parking brake
Mechanical disc brake

Swing System
Driven by
Hydraulic motor
Swing reduction
Planetary gear
Swing circle lubrication
Grease-bathed
Swing lock
Mechanical disc brake
Swing speed
11.0 rpm
Swing torque48,124 ft lbs6656 kg.m

Undercarriage
Center frame
X-frame leg
Track frame
Box-section
Track type
Sealed
Track adjuster
Hydraulic
Number of shoes (each side):
49
Number of carrier rollers (each side):
2
Number of track rollers (each side):
9

Coolant & Lubricant Capacity (refilling)
Fuel tank82 U.S. gal310 ltr
Radiator7.9 U.S. gal30 ltr
Engine6.1 U.S. gal23.1 ltr
Final drive, each side1.4 U.S. gal5.0 ltr
Swing drive1.7 U.S. gal6.5 ltr
Hydraulic tank33.3 u.s. gal126 ltr

Operating Weight (APROXIMATE)

Operating weight including 5700 mm / 18'8" one-piece boom, 2925 mm / 9'7" arm, SAE heaped 0.80 m³ / 1.05 yd³ backhoe bucket, operator, lubricant, coolant, full fuel tank, and the standard equipment.
ShoesOperating WeightGround Pressure
600 mm
24"
24130 kg
53,195 lb
0.51 kg/cm²
7.28 psi
700 mm
28"
24395 kg
53,785 lb
0.44 kg/cm²
6.21 psi
800 mm
31.5"
24675 kg
54,405 lb
0.39 kg/cm²
5.62 psi

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