PC350HD-8 MH

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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.     
 
Hydraulic System   
Type. . . . . . . . . . HydrauMind (Hydraulic Mechanical Intelligence New Design) system, 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  141 u.s. gal/min  535 ltr/min 
Supply for control circuit    Self-reducing valve 
Hydraulic motors:     
Travel    2 x axial piston motors 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 kg/cm 
Travel circuit  5,400 psi  37.3 MPa
380 kg/cm 
Swing circuit  4,050 psi  27.9 MPa
285 kg/cm 
Pilot circuit  470 psi  3.2 MPa
33 kg/cm 
 
Drive and Brakes   
Steering control    Two levers with pedals 
Drive method    Hydrostatic 
Maximum drawbar pull  73,880 lb  329 kN 33510 kg 
Gradeability  35  70% 
Maximum travel speed (Auto-shift):     
High  3.4 mph  5.5 km/h 
Mid  2.7 mph  4.4 km/h 
Low  1.9 mph  3.0 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    49 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  3.2 u.s. gal  12.0 ltr 
Swing drive  3.5 u.s. gal  13.4 ltr 
Hydraulic tank  49.7 u.s. gal  188 ltr 
 
Operating Weight (approximate)   
Operating weight, including 8280 mm / 27'2" one-piece boom, 6960 mm / 22'10" arm, grapple, 1981 mm / 78" cab riser, cylinder group, rated capacity of lubricants, coolant, full fuel tank, operator, and standard equipment. 
Triple-Grouser Shoes  31.5"  800 mm 
Operating Weight  94,457 lb  42845 kg 
Ground Pressure  7.66 psi  .54 kg/cm 

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