PC220LC-8

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Engine   
Model    Komatsu SAA6D107E-1 
Type    Water-cooled, 4-cycle, direct injection 
Aspiration    Turbocharged and aftercooled 
Number of cylinders   
Bore  4.21''  107 mm 
Stroke  4.88''  124 mm 
Piston displacement  408 in³  6.69 ltr 
Horsepower     
SAE J1995 : Gross  179 HP  134 kW 
ISO 9249/SAE J1349 : Net  168 HP  125 kW 
Rated rpm    2000 rpm 
Fan drive type    Mechanical 
Governor    All-speed control, electronic. 
EPA Tier 3 and EU stage 3A emission certified.     
Hydraulics   
Type - HydrauMind (Hydraulic Mechanical Intelligence New Design) closed-center system with load sensing valves and pressure compensated valves 
Number of selectable working modes   
Main pump:     
Type    Variable displacement piston type 
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  380 kgf/cm²/ 37.3 MPa 
Travel circuit  5,400 psi  380 kgf/cm² / 37.3 MPa 
Swing circuit  4,190 psi  295 kgf/cm²/ 29.9 MPa 
Pilot circuit  470 psi  33 kgf/cm² / 3.2 MPa 
Hydraulic cylinders:     
Number of cylinders  Bore x Stroke x Rod Diameter  Bore x Stroke x Rod Diameter 
Boom / 2  5.3" x 52.6" x 3.5"  135 mm x 1335 mm x 90 mm 
Arm / 1  5.5" x 64.4" x 3.9"  140 mm x 1635 mm x 100 mm 
Bucket / 1  5.1" x 40.2" x 3.5"  130 mm x 1020 mm x 90 mm 
Drives & Brakes   
Steering control    Two levers with pedals 
Drive method    Hydrostatic 
Maximum drawbar pull  45,350 lb  202 kN / 20570 kg 
Gradeability  35°  70% 
Maximum travel speed: (Auto-Shift)     
High  3.4 mph  5.5 km/h 
Mid  2.6 mph  4.2 km/h 
Low  1.9 mph  3.1 km/h 
Service brake    Hydraulic lock 
Parking brake    Mechanical disc brake 
Swing System   
Drive method    Hydrostatic 
Swing reduction    Planetary gear 
Swing circle lubrication    Grease-bathed 
Service brake    Hydraulic lock 
Holding brake/Swing lock    Mechanical disc brake 
Swing speed    11.7 rpm 
Swing torque  58,334 ft lbs  8065 kg.m 
Undercarriage   
Center frame    X-frame 
Track frame    Box-section 
Seal of track    Sealed track 
Track adjuster    Hydraulic 
Number of shoes    51 each side 
Number of carrier rollers    2 each side 
Number of track rollers    10 each side 
Coolant and Lubricant Capacity (refilling)   
Fuel tank  105.7 U.S. gal  400 ltr 
Coolant  5.2 U.S. gal  19.8 ltr 
Engine  6.1 U.S. gal  23.1 ltr 
Final drive  0.9 U.S. gal  3.3 ltr 
Swing drive  1.7 U.S. gal  6.6 ltr 
Hydraulic tank  35.7 U.S. gal  135 ltr 
Operating Weight (approximate)   
Operating weight, including 5850 mm / 19'2" one-piece boom, 3045 mm 10'0" arm, SAE heaped 1.2 m3 / 1.57 yd3 bucket, rated capacity of lubricants, coolant, full fuel tank, operator, and standard equipment. 
Triple-Grouser Shoes  28"  700 mm 
Operating Weight  54,309 lb  24634 kg 
Ground Pressure  6.08 psi  0.43 kg/cm² 
Triple-Grouser Shoes  31.5''  800 mm 
Operating Weight:  54,926 lb  24914 kg 
Ground Pressure  5.38 psi  0.38 kg/cm² 

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