Specifications :
Engine
| Model | Komatsu SAA6D170E-5 | |
| Type | 4-cycle, water-cooled, direct injection | |
| Aspiration | Turbocharged, aftercooled, cooled EGR | |
| Number of cylinders | 6 | |
| Bore | 6.69" | 170 mm |
| Stroke | 6.69" | 170 mm |
| Piston displacement | 1,413 in³ | 23.15 ltr |
| Governor | All-speed, electronic | |
| Horsepower: | ||
| SAE J1995 - Gross | 688 HP | 514 kW |
| ISO 9249 / SAE J1349 - Net | 672 HP | 502 kW |
| Hydraulic fan at maximum speed - Net | 620 HP | 463 kW |
| Rated rpm | 1800 rpm | |
| Fan drive type | Hydraulic, variable speed, reversible | |
| EPA Tier 3 and EU stage 3A emission certified. |
Hydraulic System
| Type | Open-center load sensing system | |
| Number of selectable working modes | 2 | |
| Main pump: | ||
| Type | Variable capacity piston pumps | |
| Pumps for | Boom, arm, bucket, swing, and travel circuits | |
| Maximum flow: | ||
| For implement and travel | 2 x 130.5 U.S. gpm | 2 x 494 ltr/min |
| For swing | 1 x 158.5 U.S. gpm | 1 x 600 ltr/min |
| Sub-pump for control circuit | Gear pump | |
| Hydraulic motors: | ||
| Travel | 2 x axial piston motors with parking brake | |
| Swing | 2 x 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 | 3,910 psi | 27.0 MPa 275 kg/cm² |
| Pilot circuit | 430 psi | 2.9 MPa 30 kg/cm² |
| Hydraulic cylinders: | ||
| Cylinder / Number of cylinders | Bore x Stroke | Bore x Stroke |
| Backhoe | ||
| Boom / 2 | 8.9" x 94.1" | 225 mm x 2390 mm |
| Arm / 1 | 9.8" x 95.9" | 250 mm x 2435 mm |
| Bucket: | ||
| Std / 2 | 6.3" x 71.8" | 160 mm x 1825 mm |
| SP / 2 | 6.3" x 76.8" | 160 mm x 1950 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 | 154,320 lb | 686 kN 70000 kg |
| Gradeability | 70% | |
| Maximum travel speed: | ||
| High | 2.0 mph | 3.2 km/h |
| Low | 1.3 mph | 2.1 km/h |
| Service brake | Hydraulic lock |
Swing System
| Driven by | 2 x Hydraulic motor | |
| Swing reduction | Planetary gear | |
| Swing circle lubrication | Grease-bathed | |
| Swing lock | Oil disc brake | |
| Swing speed | 5.5 rpm |
Undercarriage
| Center frame | H-leg frame | |
| Track frame | Box-section | |
| Track type | Sealed | |
| Track adjuster | Hydraulic | |
| No. of shoes: | ||
| Standard, SP, Shovel | 48 each side | |
| LC | 55 each side | |
| No. of carrier rollers | 3 each side | |
| No. of track rollers: | ||
| Standard, SP, Shovel | 8 each side | |
| LC | 10 each side |
Coolant & Lubricant Capacity (refilling)
| Fuel tank | 359.3 US gal | 1360 ltr |
| Radiator | 37.5 US gal | 142 ltr |
| Engine | 22.7 US gal | 86 ltr |
| Final drive, each side | 5.5 US gal | 21 ltr |
| Swing drive | 2 x 6.4 US gal | 2 x 24.3 ltr |
| Hydraulic tank | 177.0 US gal | 670 ltr |
| PTO | 3.6 US gal | 13.5 ltr |
Features
PRODUCTIVITY FEATURES:
● Heavy Lift Mode
Heavy lift mode increases lifting force by 10%.
Heavy lift mode increases lifting force by 10%.
● Large Digging Force
High operation efficiency with large digging force for severe applications.
High operation efficiency with large digging force for severe applications.
● Two-mode Setting for Boom
Switch selection allows either powerful digging or smooth boom operation.
Switch selection allows either powerful digging or smooth boom operation.
● Twin Swing Motor System
provides excellent
swing performance, even on slopes.
● Large Drawbar Pull and Steering Force
provide excellent mobility.
provide excellent mobility.
● Swing Priority Mode
Swing priority mode improves efficiency for loading dump trucks at 90° or 180° swing angles.
Swing priority mode improves efficiency for loading dump trucks at 90° or 180° swing angles.
● Shockless Boom
Switch selection reduces chassis vibration after sudden stops.
Switch selection reduces chassis vibration after sudden stops.
EXCELLENT RELIABILITY AND DURABILITY:
● Booms and arms
are constructed of thick
one-piece plates and large castings for
extended service life
● Fuel Pre-filters with water separator equipped
as standard
● O-ring Face Seals, which have excellent sealing performance, are used for the hydraulic hoses
● High-pressure In-line Filtration
The cool-running hydraulic system is protected with the most extensive filtration system available, including a high pressure in-line filter for each main pump.
The cool-running hydraulic system is protected with the most extensive filtration system available, including a high pressure in-line filter for each main pump.
EASY MAINTENANCE:
● Easy Cleaning of Cooling Unit
Fan reverse-rotation function helps keep radiator and oil cooler clean.
Fan reverse-rotation function helps keep radiator and oil cooler clean.
● Centralized Arrangement of
Engine Checkpoints
● Slip-resistant Plates for improved
foot traction
● Large Handrails, Steps and
Catwalk provide easy access to
the engine, hydraulic equipment,
and cab
● Highly Reliable Electronic Devices
Exclusively designed electronic devices have passed severe testing
• Controllers
• Sensors
• Connectors
• Heat resistant wiring
• Circuit breaker
Exclusively designed electronic devices have passed severe testing
• Controllers
• Sensors
• Connectors
• Heat resistant wiring
• Circuit breaker
● Boom Foot Hoses are arranged under the boom
foot, improving hose life and safety
ECOLOGY AND ECONOMY FEATURES:
● Komatsu SAA6D170E-5 Engine is EPA Tier 3 Emissions Certified
• World’s first cooled EGR system with bypass-assist type electronically controlled venturi
• Offers high power and low fuel consumption, while conforming to EPA Tier 3 emission regulations
• Reduces NOx emissions by approximately 40%
• Equipped with an electronically controlled variable speed reversible fan
• World’s first cooled EGR system with bypass-assist type electronically controlled venturi
• Offers high power and low fuel consumption, while conforming to EPA Tier 3 emission regulations
• Reduces NOx emissions by approximately 40%
• Equipped with an electronically controlled variable speed reversible fan
● Economy Mode Four-level Setting
Enables operator to select the appropriate Economy mode level to match production requirement with lowest fuel consumption.
Enables operator to select the appropriate Economy mode level to match production requirement with lowest fuel consumption.
● Reduction of Ambient Noise
• Electronically controlled variable speed fan drive
• Large hybrid fan
• Glasswool type low-noise muffler with noise reducing cover
• Electronically controlled variable speed fan drive
• Large hybrid fan
• Glasswool type low-noise muffler with noise reducing cover
Working Environment:
● Large Comfortable Cab
• Low noise and vibration with cab damper mounting
• Large-capacity automatic air conditioner
• Pressurized cab prevents external dust from entering
• OPG top guard level 2 is standard (ISO 10262)
● Large Comfortable Cab
• Low noise and vibration with cab damper mounting
• Large-capacity automatic air conditioner
• Pressurized cab prevents external dust from entering
• OPG top guard level 2 is standard (ISO 10262)
Advanced Monitor Features:
• Machine condition can be checked with Equipment Management Monitoring System (EMMS)
• EMMS provides PM scheduling, error code, and failure diagnostic functions
• Two working modes combine with heavy lift mode for maximum productivity
• Machine condition can be checked with Equipment Management Monitoring System (EMMS)
• EMMS provides PM scheduling, error code, and failure diagnostic functions
• Two working modes combine with heavy lift mode for maximum productivity
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