PC350LC-8

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Engine   
Model    Komatsu SAA6D114E-3 
Type    Water-cooled, 4-cycle, direct injection 
Aspiration    Turbocharged and aftercooled 
Number of cylinders   
Bore  4.49''  114 mm 
Stroke  5.31''  135 mm 
Piston displacement  505 in  8.27 ltr 
Horsepower:     
SAE J1995 / Gross  260 HP  194 kW 
ISO 9249/SAE J1349 / Net  246 HP  184 kW 
Rated rpm    1950 rpm 
Fan drive type    Mechanical 
Governor    All-speed, electronic 
EPA Tier 3 and EU Stage 3A emission certified.     
 
Hydraulics   
Type    HydrauMind (Hydraulic Mechanical Intelligence New Design) system, closed-center with load sensing 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  141 U.S. gal/min  535 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/cm 
Travel circuit  5,400 psi  37.3 MPa / 380 kgf/cm 
Swing circuit  4,050 psi  27.9 MPa / 285 kgf/cm 
Pilot circuit  470 psi  3.2 MPa / 33 kgf/cm 
Hydraulic cylinders / Number of cylinders:  Bore x Stroke x Rod Diameter  Bore x Stroke x Rod Diameter 
Boom / 2  5.5" x 58.3" x 3.9"  140 mm x 1480 mm x 100 mm 
Arm / 1  6.3" x 71.9" x 4.3"  160 mm x 1825 mm x 110 mm 
Bucket for 10'5" / 3.2 m and 13'2" / 4.0 m Arms / 1  5.5" x 50.6" x 3.9"  140 mm x 1285 mm x 100 mm 
Bucket for 8'4" / 2.54 m Arm / 1  5.9" x 50.6" x 4.3"  150 mm x 1285 mm x 110 mm 
 
Drives and Brakes   
Steering control    Two levers with pedals 
Drive method    Hydrostatic 
Maximum drawbar pull  59,300 lb  264 kN / 26900 kg 
Gradeability  35  70% 
Maximum travel speed (Auto-Shift):     
High  3.4 mph  5.5 km/h 
Mid  2.8 mph  4.5 km/h 
Low  2.0 mph  3.2 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    9.5 rpm 
Swing torque  82,313 ft. lbs  11386 kgm 
 
Undercarriage   
Center frame    X-frame 
Track frame    Box-section 
Track type    Sealed 
Track adjuster    Hydraulic 
No. of shoes    48 each side 
No. of carrier rollers    2 each side 
No. of track rollers    8 each side 
 
Coolant and Lubricant Capacity (refilling)   
Fuel tank  160 U.S. gal  605 ltr 
Coolant  8.0 U.S. gal  30.3 ltr 
Engine  9.2 U.S. gal  35.0 ltr 
Final drive, each side  2.2 U.S. gal  8.5 ltr 
Swing drive  3.5 U.S. gal  13.4 ltr 
Hydraulic tank  49.7 U.S. gal  188 ltr 
 
Operating Weight (APROXIMATE)   
Operating weight, including 6500 mm / 21'3" one-piece HD boom, 3185 mm 10'5" arm, SAE heaped 1.96 m / 2.56 yd bucket, rated capacity of lubricants, coolant, full fuel tank, operator, and standard equipment. 
Triple-Grouser Shoes  Operating Weight  Ground Pressure 
28" / 700 mm  77,362 lb
35091 kg 
8.22 psi
0.58 kgf/cm 
31.5" / 800 mm  78,200 lb
35471 kg 
7.32 psi
0.51 kgf/cm 
33.5" / 850 mm  79,037 lb
35851 kg 
6.92 psi
0.49 kgf/cm 

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