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Komatsu Excavators PC228USLC-10

Komatsu Excavators PC228USLC-10

PC228USLC-10 Hydraulic Excavator

Need to excavate tough material in a confined space or along a roadway? The PC228USLC-10 Hydraulic Excavator may be the answer to your problem. With short swing and implement radius this excavator can work in one lane of traffic without closing the next lane, keeping traffic disturbance to a minimum. Combine that with increased digging and lifting power over the previous model and you have an incredibly powerful digging tool in a tight package.

Engine
Model Komatsu SAA6D107E-2*
Type Water-cooled, 4-cycle, direct injection
Aspiration Turbocharged and air-to-air aftercooled
Number of cylinders 6
Bore 4.21" 107 mm
Stroke 4.88" 124 mm
Piston displacement 408 in³ 6.69 ltr
Horsepower:
SAE J1995 / Gross 165 HP 123 kW
ISO 9249 / SAE J1349 / Net 158 HP Net 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
Hydraulics
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 flow 125.5 gal/min 475 ltr/min
Supply for control circuit Self-reducing valve
Hydraulic motors:
Travel 2 x axial piston motors with parking brake
Swing 1 x axial piston motor with swing holding brake
Relief valve setting:
Travel circuits 5,400 psi 37.3 MPa 380 kgf/cm²
Pilot circuit 470 psi 3.2 MPa 33 kgf/cm²
Implement circuits 5,400 psi 37.3 MPa 380 kgf/cm²
Swing circuits 4,264 psi 29.4 MPa 299 kgf/cm²
Hydraulic cylinders:
(Number of cylinders – bore x stroke x rod diameter)
Boom / 2 4.7" x 54.5" x 3.3" 120 mm x 1385 mm x 85 mm
Arm / 1 5.3" x 58.7" x 3.7" 135 mm x 1490 mm x 95 mm
Bucket / 1 4.5" x 44.1" x 3.2" 115 mm x 1120 mm x 80 mm
Drives and Brakes
Steering control Two levers with pedals
Drive method Fully hydrostatic
Maximum drawbar pull 45,410 lb 202 kN 20600 kgf
Maximum travel speed:
High 3.4 mph 5.5 km/h
Mid 2.5 mph 4.1 km/h
Low 1.9 mph 3.0 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 torque 48,124 ft lbs 6656 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 and Lubricant Capacity Refilling
Fuel tank 82 U.S. gal 310 ltr
Radiator 7.9 U.S. gal 30 ltr
Engine 6.1 U.S. gal 23.1 ltr
Final drive, each side 1.4 U.S. gal 5.0 ltr
Swing drive 1.7 U.S. gal 6.5 ltr
Hydraulic tank 33.3 u.s. gal 126 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.
Shoes Operating Weight Ground 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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