PC800LC-8 MH

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Engine   
EPA Tier 3 and EU stage 3A emission certified. 
Model    Komatsu SAA6D140E-5 
Type    Water-cooled, 4-cycle, direct injection 
Aspiration    Turbocharged, aftercooled, cooled EGR 
Number of cylinders   
Bore  5.51"  140 mm 
Stroke  6.50"  165 mm 
Piston displacement  930 in  15.24 ltr 
Governor    All-speed control, electronic 
Horsepower:     
SAE J1995 (Gross)  496 HP  370 kW 
ISO9249 / SAE J1349 (Net)  487 HP  363 kW 
Hydraulic fan at maximum speed (Net)  454 HP  338 kW 
Rated rpm    1800 rpm 
Fan drive type    Hydraulic 
Hydraulic System   
Type    EOLSS (Electronic Open-center Load Sensing System) 
Number of selectable working modes   
Main pump:     
Type    Two (2) variable capacity piston pumps 
Pumps for    Boom, arm, bucket, swing, and travel circuits 
Maximum flow:  2 x 130.5 U.S. gal/min  2 x 494 ltr/min 
Fan drive pump    Variable capacity piston type 
Hydraulic motors:     
Travel    2 x axial piston motors with parking brake 
Swing    2 x axial piston motors with swing holding brake 
Relief valve setting:     
Implement circuits  4,550 psi  31.4 MPa
320 kg/cm 
Travel circuit  4,980 psi  34.3 MPa
350 kg/cm 
Swing circuit  4,120 psi  28.4 MPa
290 kg/cm 
Heavy lift circuit  4,980 psi  34.3 MPa
350 kg/cm 
Pilot circuit  430 psi  2.9 MPa
30 kg/cm 
Hydraulic cylinders / Number of cylinders:  bore x stroke x rod diameter:  bore x stroke x rod diameter: 
Boom / 2  8" x 68" x 5"  202 mm x 1727 mm x 127 mm 
Arm / 1 (55' front)  9" x 72" x 6"  229 mm x 1829 mm x 152 mm 
Arm / 1 (68' front)  8.5" x 72" x 6"  216 mm x 1829 mm x 152 mm 
Drive and Brakes   
Steering control    Two levers with pedals 
Drive method    Fully hydrostatic 
Travel motor    Axial piston motor, in-shoe design 
Reduction system    Planetary double reduction 
Maximum drawbar pull  125,660 lb  559 kN 57000 kg 
Gradeability    70% 
Maximum travel speed:     
High  2.6 mph  4.2 km/h 
Low  1.7 mph  2.8 km/h 
Service brake    Hydraulic lock 
Parking brake    Oil disc brake 
Swing System   
Drive method    Hydraulic motors (2) 
Swing reduction    Planetary gear 
Swing circle lubrication    Grease-bathed 
Swing lock    Oil disc brake 
Swing speed    6.8 rpm 
Swing torque  209,461 ft. lbs.  28968 kgm 
Undercarriage   
Center frame    H-leg frame 
Track frame    Box-section 
Track type    Sealed 
Track adjuster    Hydraulic 
No. of shoes    51 each side 
No. of carrier rollers    3 each side 
No. of track rollers    9 each side 
Coolant and Lubricant Capacity (refilling)   
Fuel tank  258.9 U.S. gal  980 ltr 
Radiator  26.4 U.S. gal  100 ltr 
Engine  15.3 U.S. gal  58 ltr 
Final drive, each side  5.3 U.S. gal  20 ltr 
Swing drive  2 x 6.5 U.S. gal  2 x 24.5 ltr 
Hydraulic tank  116.2 U.S. gal  440 ltr 
Operating Weight (APROXIMATE)   
Operating weight w/o Grapple:  16.8 m / 87796 kg  55' / 193,555 lb 
Operating weight w/o Grapple:  20.7 m / 89339 kg  68' / 196,955 lb 

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