Specifications :
Engine
| Model | Komatsu SAA6D125E-5 | |
| Type | Water-cooled, 4-cycle, direct injection | |
| Aspiration | Turbocharged, aftercooled, cooled EGR | |
| Number of cylinders | 6 | |
| Bore | 4.92" | 125 mm |
| Stroke | 5.91" | 150 mm |
| Piston displacement | 674 in³ | 11.04 ltr |
| Horsepower: | ||
| SAE J1995 | 362 HP | 270 kW |
| ISO 9249 / SAE J1349 | 345 HP | 257 kW |
| Rated rpm | 1900 rpm | |
| Fan drive type | Mechanical | |
| Governor | All-speed control, electronic | |
| EPA Tier 3 and EU stage 3A emission certified. |
Hydraulic System
| Type | HydrauMind (Hydraulic Mechanical Intelligence New Design) system, closed-center with load sensing and pressure compensated valves | |
| Number of selectable working modes | 5 | |
| Main pump: | ||
| Type | Variable displacement piston type | |
| Pumps for | Boom, arm, bucket, swing, and travel circuits | |
| Maximum flow | 182 U.S. gal/min | 690 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/cm² |
| Travel circuit | 5,400 psi / 37.3 MPa | 380 kgf/cm² |
| Swing circuit | 4,050 psi / 27.9 MPa | 285 kgf/cm² |
| Pilot circuit | 470 psi / 3.2 MPa | 33 kgf/cm² |
| Hydraulic cylinders / Number of cylinders: | Bore x Stroke x Rod diameter | Bore x Stroke x Rod diameter |
| Boom / 2 | 6.3" x 61.8" x 4.3" | 160 mm x 1570 mm x 110 mm |
| Arm / 1 except 7'10" / 2.4 m | 7.3" x 71.7" x 4.7" | 185 mm x 1820 mm x 120 mm |
| Arm / 1 for 7'10" / 2.4 m | 7.3" x 62.6" x 4.7" | 185 mm x 1590 mm x 120 mm |
| Bucket / 1 | 6.3" x 50" x 4.3" | 160 mm x 1270 mm x 110 mm |
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 | 9.0 rpm | |
| Swing torque | 111,059 ft lbs | 15359 kg•m |
Drives and Brakes
| Steering control | Two levers with pedals | |
| Drive method | Hydrostatic | |
| Maximum drawbar pull | 73,880 lb | 329 kN 33510 kgf |
| Gradeability | 35° | 70% |
| Maximum travel speed: (Auto-Shift) | ||
| High | 3.4 mph | 5.5 km/h |
| Medium | 2.7 mph | 4.4 km/h |
| Low | 1.9 mph | 3.0 km/h |
| Service brake | Hydraulic lock | |
| Parking brake | Mechanical disc brake |
Undercarriage
| Center frame | X-frame | |
| Track frame | Box-section | |
| Seal of track | Sealed | |
| Track adjuster | Hydraulic | |
| Number of shoes (each side) | 49 | |
| Number of carrier rollers | 2 each side | |
| Number of track rollers (each side) | 8 each side |
Coolant and Lubricant Capity (refilling)
| Fuel tank | 172 U.S. gal | 650 ltr |
| Coolant | 9.7 U.S. gal | 36.8 ltr |
| Engine | 10.0 U.S. gal | 38.0 ltr |
| Final drive, each side | 3.2 U.S. gal | 12.0 ltr |
| Swing drive | 4.3 U.S. gal | 16.2 ltr |
| Hydraulic tank | 65.5 U.S. gal | 248 ltr |
Operating Weight (Aproximate)
Operating weight including 7060 mm 23'2" one-piece boom,
3380 mm 11'1" arm, SAE heaped 1.94 m³ 2.54 yd³ bucket, rated
capacity of lubricants, coolant, full fuel tank, operator, and standard
equipment.
| PC400LC-8: | ||
| Shoes | 28" | 700 mm |
| Operating Weight | 98,564 lb | 44708 kg |
| Ground Pressure | 9.72 psi | 0.68 kgf/cm² |
| Shoes | 31.5" | 800 mm |
| Operating Weight | 99,622 lb | 45188 kg |
| Ground Pressure | 8.59 psi | 0.60 kgf/cm² |
| Shoes | 35.5" | 900 mm |
| Operating Weight | 100,636 lb | 45648 kg |
| Ground Pressure | 7.72 psi | 0.54 kgf/cm² |
| PC400LC-8 Variable Gauge: | ||
| Shoes | 28" | 700 mm |
| Operating Weight | 100,934 lb | 45783 kg |
| Ground Pressure | 9.95 psi | 0.70 kgf/cm² |
| Shoes | 31.5" | 800 mm |
| Operating Weight | 101,992 lb | 46263 kg |
| Ground Pressure | 8.80 psi | 0.62 kgf/cm² |
| Shoes | 35.5" | 900 mm |
| Operating Weight | 103,006 lb | 46723 kg |
| Ground Pressure | 7.90 psi | 0.56 kgf/cm² |
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