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Heavy Lift Mode
Heavy lift mode increases lifting force by 10%.
Large Digging Force
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.
Twin Swing Motor System provides excellent swing performance, even on slopes.
Large Drawbar Pull and Steering Force
provide excellent mobility.
Swing Priority Mode
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.
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.
Easy Cleaning of Cooling Unit
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
Boom Foot Hoses are arranged under the boom foot, improving hose life and safety
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
Economy Mode Four-level Setting
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
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)
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

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