Specifications :
Engine
| Model | Komatsu SAA6D107E-2* | |
| Type | Water-cooled, 4-cycle, direct injection | |
| Aspiration | Turbocharged, aftercooled, cooled EGR | |
| Number of cylinders | 6 | |
| Bore | 4.21'' | 107 mm |
| Stroke | 4.88'' | 124 mm |
| Piston displacement | 408 in³ | 6.69 ltr |
| Horsepower | ||
| SAE J1995 - Gross | 165 HP | 123 kW |
| ISO 9249 / SAE J1349 - Net | 158 HP | 118 kW |
| Rated rpm | 2000 rpm | |
| Fan drive method for radiator cooling | Mechanical | |
| Governor | All-speed control, electronic | |
| *EPA Tier 4 Interim and EU stage 3B emissions 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 | 6 | |
| Main pump: | ||
| Type | Variable displacement piston type | |
| Pumps for | Boom, arm, bucket, swing, and travel circuits | |
| Maximum flow | 125.5 U.S. gal/min | 475 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 | 380 kgf/cm²/ 37.3 MPa |
| Travel circuit | 5,400 psi | 380 kgf/cm² / 37.3 MPa |
| Swing circuit | 4,190 psi | 295 kgf/cm²/ 28.9 MPa |
| Pilot circuit | 470 psi | 33 kgf/cm² / 3.2 MPa |
| Hydraulic cylinders: | ||
| Number of cylinders | Bore x Stroke x Rod Diameter | Bore x Stroke x Rod Diameter |
| Boom / 2 | 5.1" x 52.5" x 3.5" | 130 mm x 1334 mm x 90 mm |
| Arm / 1 | 5.3" x 58.7" x 3.7" | 135 mm x 1490 mm x 95 mm |
| Bucket / 1 | 4.5" x 44.1" x 3.2" | 115 mm x 1120 mm x 80 mm |
Swing System
Drives and Brakes
| Steering control | Two levers with pedals | |
| Drive method | Hydrostatic | |
| Maximum drawbar pull | 45,349 lb | 202 kN / 20570 kg |
| Gradeability | 35° | 70% |
| Maximum travel speed: (Auto-Shift) | ||
| High | 3.4 mph | 5.5 km/h |
| Mid | 2.5 mph | 4.1 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 | |
| Track adjuster | Hydraulic | |
| Number of shoes | 49 each side | |
| Number of carrier rollers | 2 each side | |
| Number of track rollers | 9 each side |
Coolant and Lubricant Capity (refilling)
| Fuel tank | 105.7 U.S. gal | 400 ltr |
| Coolant | 8.1 U.S. gal | 30.7 ltr |
| Engine | 6.1 U.S. gal | 23.1 ltr |
| Final drive, each side | 1.3 U.S. gal | 5.0 ltr |
| Swing drive | 1.7 U.S. gal | 6.6 ltr |
| Hydraulic tank | 34.9 U.S. gal | 132 ltr |
| Hydraulic system | 61.8 U.S. gal | 234 ltr |
Operating Weight (Aproximate)
Operating weight, including 5700 mm / 18'8"
one-piece boom, 2925 mm / 9'7" arm, SAE heaped 1.02 m³ / 1.34 yd³
bucket, rated capacity of lubricants, coolant, full fuel tank, operator,
and standard equipment.
| Triple-Grouser Shoes | Operating Weight: | Ground Pressure |
| 28" / 700 mm | 51,419 lb 23323 kg | 6.2 psi 0.43 kg/cm² |
| 31.5' / 800 mm | 52,036 lb 23603 kg | 5.5 psi 0.38 kg/cm² |
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