Komatsu PC228USLC-8

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Features

Komatsu's PC228USLC-8 Hydraulic Excavators have a short tail swing profile, designed specifically for work in confined areas. By reducing the tail swing, the PC228USLC-8 is perfect for work on roadways, bridges, urban areas, or anywhere space is limited. The PC228USLC-8 provides the performance and productivity you expect from Komatsu equipment.

Ecology and Economy
• Low emission engine
A powerful turbocharged and air-to-air aftercooled Komatsu SAA6D107E-1 engine provides 110 kW 148 HP(net). This engine is EPA Tier 3 and EU stage 3A emissions certified, without sacrificing power or machine productivity.
• Economy mode for lower fuel consumption
• Low operational noise
The dynamic noise is reduced when compared to the previous model.

Performance Features
• Increased lift capacity and stability
The counterweight mass has increased by 1300 kg 2865 lb for increased lift capacity over the front and side of the machine.
• Improved hydraulic system efficiency
Enhancements made to the Closed Center Load Sensing system result in faster cycle times and lower fuel consumption.
• Wide working range
• Powerful digging forces

Maintenance Features
• Long replacement interval for hydraulic oil and hydraulic filter
• Remote mounted engine oil filter and fuel drain valve
• Standard fuel pre-filter (with water separator)
• Side-by-side cooling concept for improved serviceability
• Equipped with self-diagnostic Equipment Management Monitoring System (EMMS)

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.

Large TFT LCD Monitor
• Easy-to-see 7" large multi-function color monitor panel
• Can be displayed in 12 languages for global support
TFT: Thin Film Transistor
LCD: Liquid Crystal Display

Versatility
• Rounded cab design
The cab swings within the same swing radius as the counterweight.
• Short tail swing radius
More compact than conventional models for improved performance in tight working conditions.

Large Comfortable Cab
• Low noise cab design with viscous mounts
• Sliding convex door - easy entrance in confined areas
• Large and comfortable cab space

Reliability Features
• High rigidity work equipment
• Sturdy frame structure
• Reliable Komatsu designed and manufactured components
• Highly reliable electronic devices

General Features
• Standard rearview monitoring system (1 camera)
• Improved attachment flow control
• Slip resistant plates for improved grip
• New cab design for hydraulic excavators

Specifications

Engine    
Model   Komatsu SAA6D107E-1*
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
Power rating    
Gross (SAEJ1995) 155 HP @ 2000 rpm 116 kW @ 2000 rpm
Net (ISO 9249/SAEJ1349) 148 HP @ 2000 rpm 110 kW @ 2000 rpm
Fan drive type   Mechanical
Governor   All-speed control, electronic
*EPA Tier 3 and EU Stage 3A emissions certified.    
     
Hydraulics    
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   Variable-capacity piston pump.
Pumps for   Boom, arm, bucket, swing, and travel circuits.
Maximum flow 116 u.s. gal/min 439 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 5,400 psi 37.3 MPa 380 kgf/cm²
Travel circuits 5,400 psi 37.3 MPa 380 kgf/cm²
Swing circuits 4,120 psi 28.4 MPa 290 kgf/cm²
Pilot circuit 470 psi 3.2 MPa 33 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
     
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    
     
Swing System    
Drive method   Hydrostatic
Swing reduction   Planetary gear type, double reduction
Swing circle lubrication   Grease-bathed
Swing lock   Mechanical disc brake
Swing speed   11.0 rpm
Swing torque 48,124 ft lbs 6656 kg.m
     
Drive and Brakes    
Steering control   Two-lever with pedals
Drive method   Hydrostatic
Maximum drawbar pull 45,410 lb 202 kN 20600 kgf
Travel motor   Axial piston motor, in-shoe design
Reduction system   Planetary gear type, double reduction
Gradeability   70%, 35°
Maximum travel speed (Auto-Shift):    
High 3.4 mph 5.5 km/h
Mid 2.5 mph 4.1 km/h
Low 1.9 mph 3.0 km/h
Service brake   Hydraulic lock
Parking brake   Mechanical disc brake
     
Undercarriage    
Center frame X-frame  
Track frame Box-section  
Seal of track Sealed track  
Track adjuster Hydraulic  
Number of shoes (each side): 49  
Number of carrier rollers (each side): 2  
Number of track rollers (each side): 9  
     
Service Refill Capacities    
Fuel tank 84.5 U.S. gal 320 ltr
Coolant 5.5 U.S. gal 21.0 ltr
Engine 6.1 U.S. gal 23.1 ltr
Final drive, each side 1.4 U.S. gal 5.2 ltr
Swing drive 1.9 U.S. gal 7.1 ltr
Hydraulic tank 33.3 u.s. gal 126 ltr 33.3 u.s. gal

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