PC800LC-8

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Engine   
EPA Tier 3 and EU stage 3A emission certified. 
Model    Komatsu SAA6D140E-5 
Type    4-cycle, water-cooled, 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, 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:     
Main  2 x 130.5 U.S. gpm  2 x 494 ltr/min 
Fan drive pump    Variable capacity piston type 
Hydraulic motors:     
Travel    Two (2) axial piston motors with parking brake 
Swing    Two (2) 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  7.9" x 76.8" x 5.5"  200 mm x 1950 mm x 140 mm 
Arm:     
Standard / 1  7.9" x 88.6" x 5.5"  200 mm x 2250 mm x 140 mm 
SE / 2  7.3" x 63.4" x 4.7"  185 mm x 1610 mm x 120 mm 
Bucket :     
Standard / 1  7.3" x 63.4" x 5.1"  185 mm x 1610 mm x 130 mm 
SE / 1  8.9" x 55.9" x 6.3"  225 mm x 1420 mm x 160 mm 
 
Swing System   
Driven method    Two (2) hydraulic motors 
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 
 
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 
 
Undercarriage   
Center frame    H-leg 
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 
 
Service Refill Capacities   
Fuel tank  258.9 U.S. gal  980 ltr 
Radiator  26.4 U.S. gal  100 ltr 
Engine  14 U.S. gal  53 ltr 
Final drive, each side  5.3 U.S. gal  20 ltr 
Swing drive  6.5 x 2 U.S. gal  24.5 x 2 ltr 
Hydraulic tank  124.2 U.S. gal  470 ltr 
 
Operating Weight (APROXIMATE)   
Operating weight, including 8200 mm / 26'11" boom, 3600 mm / 11'10" arm, SAE heaped 3.1 m / 4.05 yd backhoe bucket, operator, lubricant, coolant, full fuel tank, and standard equipment. 
Shoes  Operating Weight  Ground Pressure 
32" / 810 mm
Double grouser 
185,585 lb
84180 kg 
13.46 psi
0.95 kg/cm 
40" / 1010 mm
Double grouser 
188,670 lb
85579 kg 
10.99 psi
0.77 kg/cm 

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