Specifications :
Engine
PA 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) | 433 HP | 323 kW |
| ISO9249 / SAE J1349 (Net) | 429 HP | 320 kW |
| Hydraulic fan at maximum speed (Net) | 386 HP | 288 kW |
| Rated rpm | 1800 rpm | |
| Fan drive type | Hydraulic |
Hydraulic System
| Type | Open-center load-sensing system | |
| Number of selectable working modes | 3 | |
| Main pump: | ||
| Type | Variable capacity piston pump | |
| Pumps for | Boom, arm, bucket, swing, and travel circuits | |
| Maximum flow | 2 x 108 U.S. gpm | 2 x 410 ltr/min |
| Sub-pump for control circuit | Gear pump | |
| Hydraulic motors: | ||
| Travel | 2 x axial piston motor with parking brake | |
| Swing | 2 x axial piston motor with swing holding brake | |
| Relief valve setting: | ||
| Implement circuits | 4,620 psi | 31.9 MPa 325 kg/cm² |
| Travel circuit | 4,980 psi | 34.3 MPa 350 kg/cm² |
| Swing circuit | 3,700 psi | 25.5 MPa 260 kg/cm² |
| Pilot circuit | 430 psi | 2.9 MPa 30 kg/cm² |
| Hydraulic cylinders / Number of cylinders: | Bore x Stroke: | Bore x Stroke: |
| Boom / 2 | 7.3" x 67.9" | 185 mm x 1725 mm |
| Arm / 1 | 7.9" x 80.5" | 200 mm x 2045 mm |
| Bucket / 1 | 7.3" x 56.1" | 185 mm x 1425 mm |
| or 2.9 m 9.6" Arm / 1 | 7.3" x 63.4" | 185 mm x 1610 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 | 93,250 lb | 415 kN / 42300 kg |
| Gradeability | 70% | |
| Maximum travel speed: | ||
| Low | 1.9 mph | 3.0 km/h |
| High | 3.0 mph | 4.9 km/h |
| Service brake | Hydraulic lock | |
| Parking brake | Oil disc brake |
Swing System
| Driven method | Hydraulic motors (2) | |
| Swing reduction | Planetary gear | |
| Swing circle lubrication | Grease bathed | |
| Swing lock | Oil disc brake | |
| Swing speed | 8.3 rpm | |
| Swing torque | 154,481 ft. lbs. | 21365 kg•m |
Undercarriage
| Center frame | H-leg frame | |
| Track frame | Box-section | |
| Track type | Sealed | |
| Track adjuster | Hydraulic | |
| No. of shoes | 52 each side | |
| No. of carrier rollers | 3 each side | |
| No. of track rollers | 9 each side |
Coolant and Lubricant Capity (refilling)
| Fuel tank | 232.5 U.S. gal | 880 ltr |
| Radiator | 15.3 U.S. gal | 58 ltr |
| Engine | 10.6 U.S. gal | 40 ltr |
| Final drive, each side | 2.6 U.S. gal | 10 ltr |
| Swing drive | 2 x 3.4 U.S. gal | 2 x 13 ltr |
| Hydraulic tank | 95.0 U.S. gal | 360 ltr |
Operating Weight (Aproximate)
Operating weight, including 7660 mm 25'2" boom, 3500 mm 11'6"
arm, SAE heaped 2.7 m3 3.53 yd3 backhoe bucket, operator,
lubricant, coolant, full fuel tank, and the standard equipment.
| Shoes | Operating Weight | Ground Pressure |
| 24" / 600 mm Double grouser | 128,530 lb 58300 kg | 13.9 psi 0.98 kg/cm² |
| 29.5" / 750 mm Triple grouser | 130,290 lb 59100kg | 11.4 psi 0.80 kg/cm² |
| 35.5" / 900 mm Triple grouser | 132,280 lb 60000 kg | 9.5 psi 0.67 kg/cm² |
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