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

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

Drive 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 Capacity (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)

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