PERFORMANCE FEATURES:

● High Work Equipment Speed
Arm quick-return circuit and fast bucket dump speed provides efficient loading operation

● Lift Mode
Lift mode increases lifting capacity by 17%

● Large Digging Force
Pressing the Power Max button temporarily increases digging force by 8%

● Two-mode Setting for Boom
Switch selection allows either powerful digging or smooth boom operation.

● Excellent Swing Performance
is achieved by twin swing motor system.

● Large Drawbar Pull and Steering Force
provides excellent mobility.

RELIABILITY FEATURES:

● Strengthened Boom and Arm

● Fuel Pre-filter 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
Each main pump has a high pressure inline filter to provide an extra level of hydraulic system protection on the high pressure side of the pump

● Highly Reliable Electronic Devices
Exclusively designed electronic devices have passed severe testing.
• Controllers
• Sensors
• Connectors
• Heat resistant wiring.

MAINTENANCE FEATURES:

● Reversible Cooling Fan
Fan reverse-rotation function simplifies radiator and oil cooler cleaning

● Radiator and oil cooler are easily serviced with full-open type engine hood

● Centralized Arrangement of Engine Checkpoints

● Slip-resistant plates for improved foot traction during maintenance

● Large Handrails, Steps, and Catwalk
provide easy access to the engine and hydraulic equipment

KOMTRAX^® equipped machines can send location, SMR and operation maps to a secure website utilizing wireless technology. Machines also relay error codes, cautions, maintenance items, fuel levels, and much more.

ECOLOGY AND ECONOMY:

● Low Emission Engine
A powerful, turbocharged and air-to-air aftercooled SAA6D140E-5 engine provides 320 kW / 429 HP net. This engine is EPA Tier 3 and EU Stage 3A emissions certified, without sacrificing power or productivity.

● Economy Mode Four-level Setting
Enables the operator to select the appropriate Economy mode level to match the production requirement with the lowest fuel consumption

● Low Operational Noise
Meets the EU Tier 2 noise regulations.
• Electronically controlled variable speed fan drive
• Large hybrid fan
• Low-noise muffler and noise reducing cover around the muffler

WORKINGENVIRONMENT:

● Large Comfortable Cab.
• Low-noise cab design with viscous damper mounts
• Pressurized cab with large-capacity air conditioner
• High-back, heated, operator seat with console-mounted armrests
• OPG top guard Level 2 (ISO 10262) capable with optional bolt-on top guard

LARGE TFT LCD COLOR MONITOR:
• Easy to see and use large 7" multi-function color monitor
• Can be displayed in 12 languages for global support
TFT: Thin Film Transistor LCD: Liquid Crystal Display

ENGINE AND RELATED ITEMS:

• Air cleaner, double element, dry type

• Engine, Komatsu SAA6D140E-5

• Fuel pre-filter (10 micron) with water separator

• Fuel primary filter (2 micron)

• Variable speed cooling fan, hydraulic drive, reversible

ELECTRICAL SYSTEM:

• Alternator, 90A, 24V

• Batteries, 170Ah, 2 x 12V

• Starting motor, 11kW

• Work lights 2 (boom and RH)

• Auto decelerator

UNDERCARRIAGE:

• 900 mm 35.5'' triple grouser shoes

• 9 track/3 carrier rollers (each side)

• Hydraulic track adjusters (each side)

• Variable track gauge

• Sealed track

GUARDS AND COVERS:

• Radiator and oil cooler with net

• Pump/engine room partition

• Track frame undercover (center)

• Travel motor guards

• Strengthened revolving frame underguard

OPERATOR ENVIRONMENT:

• Damper mount, all-weather, sound-suppressed cab with tinted safety glass windows, lockable door, intermittent window wiper and washer, floormat, cigarette lighter and ashtray, automatic air conditioner, AM-FM radio, seat belt (retractable) 78 mm 3"

• Multi-function color monitor, fuel control dial, service meter, gauges (coolant temperature, hydraulic oil temperature and fuel level), caution lights (electric charge, engine oil pressure, and air cleaner clogging), indicator lights (engine preheating and swing lock), level check lights (coolant and engine oil level), self-diagnostic system with trouble data memory memory

• High-back suspension seat, heated

• Cab with pull-up type front window

• Rearview mirrors (RH & LH)

• Rear-view camera (1)

• Operator protective guard (OPG), Level 1

HYDRAULIC CONTROLS:

• Fully hydraulic, with Open-Center Load-Sensing (OLSS) and engine speed sensing (pump and engine mutual control system)

• One gear pump for control circuit

• Two axial piston motors for swing with single-stage relief valve

• One axial piston motor per track for travel with counterbalance valve

• Two variable capacity piston main pumps

• Control valves, 5+4 spools (boom, arm, bucket, swing, and travel)

• Control levers, wrist control levers for arm, boom, bucket, and swing with PPC system

• Control levers and pedals for steering and travel with PPC system

• In-line high pressure filters

• 3-mode system (Power, Economy, Lifting)

• Two-mode setting for boom

• Power maximizing system

• Boom and arm holding valves

DRIVE AND BRAKE SYSTEM:

• Brakes, hydraulic lock travel brakes, oil disc parking

• Hydrostatic two travel speed system with planetary triple reduction final drive

OTHER STANDARD EQUIPMENT:

• Automatic swing holding brake

• Catwalk and handrails

• Corrosion resister

• Counterweight, 13500 kg 29,762 lb

• Grease gun, electric pump type

• Horn, electric

• Interconnected horn and warning light

• KOMTRAX

• Large handrails

• Marks and plates, English

• One-touch engine oil drainage

• Paint, Komatsu standard

• PM tune-up service connector

• Power supply, 12V

• Track frame undercover

• Travel alarm

• Slip-resistant plates

Arms:

- 3500 mm / 11'6'' arm assembly

- 4300 mm / 14'1'' arm assembly

- 5200 mm / 17'1'' arm assembly

Auxiliary gear pump

Additional rear view camera (1) RH side

Booms:

- 7660 mm / 25'2'' boom assembly

Cab top guard

Counterweight removal device

Full length track roller guard

OPG top guard, Level 2

OPG front guard, Level 2

Rain visor

Service valve (deletes holding valves)

Shoes:

- 750 mm / 29.5'' triple grouser

Sun visor