Komatsu PC228USLC-10

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Features

CONVENTIONAL PERFORMANCE IN A TIGHT TAIL BODY
Rounded cab profile allows the cab to swing within the same swing radius as the counterweight for true tight tail performance.
New engine and hydraulic pump control technology improves operational efficiency and lowers fuel consumption by up to 4%.

A powerful Komatsu SAA6D107E-2 engine provides a net output of 116 kW / 158 HP. This engine is EPA Tier 4 Interim and EU stage 3B emissions certified.

Komatsu Variable Geometry Turbocharger (KVGT) uses a hydraulic actuator to provide proper air flow under all speed and load conditions.

Komatsu Diesel Particulate Filter (KDPF) captures 90% of particulate matter and provides automatic regeneration that does not interfere with daily operation.

Komatsu's Closed Center Load Sensing (CLSS) hydraulic system provides quick response and smooth operation to maximize productivity.

Enhanced working modes are designed to match engine speed, pump delivery, and system pressure to the application.

Large LCD color monitor panel:
■ 7" high resolution screen
■ Provides "Eco-Guidance" for fuel efficient operation
■ Enhanced attachment control
■ Aux jack and (2) 12V outlets

Rearview monitoring system (standard)

Equipment Management Monitoring System (EMMS) continuously monitors machine operation and vital systems to identify machine issues and assist with troubleshooting.

Enhanced working environment
■ High back, heated, and air suspension operator seat
■ Integrated ROPS cab design (ISO 12117-2)
■ Cab meets ISO Level 1 Operator Protective Guard (OPG) top guard (ISO 10262)

Wide access service doors provide easy access for ground level maintenance.

Guardrails (standard) provide convenient access to the upper structure.

Battery disconnect switch allows a technician to disconnect the power supply before servicing the machine.

Komatsu designed and manufactured components Side by side cooler design provides easy access to service and clean the cooler assembly.

KOMTRAX® equipped machines can send location, SMR and operation maps to a secure website utilizing wireless technology. Machines also relay error codes, cautions, maintenance items, fuel levels, and much more.

Specifications

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
     
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
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 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
     
Drive and Brakes    
Steering control   Two-lever 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 Reilling    
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 approximate    
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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