Specifications
Engine
| Model | Komatsu SAA6D107E-2* | |
| Type | Water-cooled, 4-cycle, direct injection | |
| Aspiration | Turbocharged and air-to-air aftercooled | |
| 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 | Net 116 kW |
| Rated rpm | 2000 | |
| Governor | All-speed control, electronic | |
| Lubrication system: | ||
| Method | Gear pump, force-lubrication | |
| Filter | Full-flow | |
| Air cleaner | Air cleaner, double element and auto dust evacuator | |
| *EPA Tier 4 Interim and EU stage 3B emissions certified |
Hydraulic System
| Type | HydrauMind (Hydraulic Mechanical Intelligence) system, closed-center system with load sensing valve and pressure compensated valve | |
| Main pump | ||
| Type | Variable-capacity piston pump. | |
| Pumps for | Boom, arm, bucket, swing, and travel circuits. | |
| Maximum flow | 125.5 gal/min | 475 ltr/min |
| Hydraulic motors: | ||
| Travel | 2 x axial piston motor with parking brake | |
| Swing | 1 x axial piston motor with swing holding brake | |
| Relief valve setting: | ||
| Travel circuits | 5,400 psi | 37.3 MPa 380 kgf/cm² |
| Pilot circuit | 470 psi | 3.2 MPa 33 kgf/cm² |
| Implement circuits | 5,400 psi | 37.3 MPa 380 kgf/cm² |
| Swing circuits | 4,264 psi | 29.4 MPa 299 kgf/cm² |
| Hydraulic cylinders: | ||
| (Number of cylinders – bore x stroke x rod diameter) | ||
| Boom / 2 | 4.7" x 54.5" x 3.3" | 120 mm x 1385 mm x 85 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 |
Drives and Brakes
| Steering control | Two-lever with pedals | |
| Drive method | Fully hydrostatic | |
| Maximum drawbar pull | 45,410 lb | 202 kN 20600 kgf |
| Maximum travel speed: | ||
| High | 3.4 mph | 5.5 km/h |
| Mid | 2.5 mph | 4.1 km/h |
| Low | 1.9 mph | 3.0 km/h |
| Parking brake | Mechanical disc brake |
Swing System
| Driven by | Hydraulic motor | |
| Swing reduction | Planetary gear | |
| Swing circle lubrication | Grease-bathed | |
| Swing lock | Mechanical disc brake | |
| Swing speed | 11.0 rpm | |
| Swing torque | 48,124 ft lbs | 6656 kg.m |
Undercarriage
| Center frame | X-frame leg | |
| Track frame | Box-section | |
| Track type | Sealed | |
| Track adjuster | Hydraulic | |
| Number of shoes (each side): | 49 | |
| Number of carrier rollers (each side): | 2 | |
| Number of track rollers (each side): | 9 |
Coolant & Lubricant Capacity (refilling)
| Fuel tank | 82 U.S. gal | 310 ltr |
| Radiator | 7.9 U.S. gal | 30 ltr |
| Engine | 6.1 U.S. gal | 23.1 ltr |
| Final drive, each side | 1.4 U.S. gal | 5.0 ltr |
| Swing drive | 1.7 U.S. gal | 6.5 ltr |
| Hydraulic tank | 33.3 u.s. gal | 126 ltr |
Operating Weight (APROXIMATE)
Operating weight including 5700 mm / 18'8" one-piece boom,
2925 mm / 9'7" arm, SAE heaped 0.80 m³ / 1.05 yd³ backhoe
bucket, operator, lubricant, coolant, full fuel tank, and the
standard equipment.
| Shoes | Operating Weight | Ground Pressure |
| 600 mm 24" | 24130 kg 53,195 lb | 0.51 kg/cm² 7.28 psi |
| 700 mm 28" | 24395 kg 53,785 lb | 0.44 kg/cm² 6.21 psi |
| 800 mm 31.5" | 24675 kg 54,405 lb | 0.39 kg/cm² 5.62 psi |
Features
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