Specifications :
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 | 6 | |
| Bore | 5.51" | 140 mm |
| Stroke | 6.50" | 165 mm |
| Piston displacement | 930 in³ | 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 | 3 | |
| 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/cm² |
| Travel circuit | 4,980 psi | 34.3 MPa 350 kg/cm² |
| Swing circuit | 4,120 psi | 28.4 MPa 290 kg/cm² |
| Heavy lift circuit | 4,980 psi | 34.3 MPa 350 kg/cm² |
| Pilot circuit | 430 psi | 2.9 MPa 30 kg/cm² |
| 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 |
Drives 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
| 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 kg•m |
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 |
Coolant and Lubricant Capity (refilling)
| 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 m³ / 4.05 yd³ 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/cm² |
| 40" / 1010 mm Double grouser | 188,670 lb 85579 kg | 10.99 psi 0.77 kg/cm² |
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