PERFORMANCE FEATURES: • Fast Work Equipment Speed An arm quick-return circuit provides fast cycle times and high productivity • Large Digging Forces The new Power Max system provides increased arm and bucket digging forces • Heavy Lift Mode increases lifting force by 10% • Two-mode Setting for Boom Control Operator can select powerful digging or smooth boom operation • Shockless Boom Control Operator can reduce vibration and shock while minimizing bucket spillage • Swing Priority Mode provides loading efficiency at higher swing angles RELIABILITY FEATURES: • Strengthened Boom and Arm • High-pressure In-line Filtration Each main pump has a high pressure in-line filter to provide an extra level of hydraulic system protection • Fuel Pre-filter with water separator • O-ring Face Seals provide excellent sealing performance for hydraulic hoses • Highly Reliable Electronic Devices Exclusively designed electronic devices have passed severe testing. - Controllers - Sensors - Connectors - Heat resistant wiring THE SUPER DIGGER: • Powerful Digging Forces This optional spec with 2 arm cylinders increases arm digging force by 19% (available for the 11'10" arm only) MAINTENANCE FEATURES: • Reversible Cooling Fan Hydraulically-driven fan can reverse rotation to simplify cleaning the cooler assembly • Centralized Engine Checkpoints • Slip-resistant plates for improved foot traction during maintenance • Large Handrails, Steps, and Catwalk Wider step ladder provides easier access for machine servicing 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 363 kW 487 HP net. This engine is EPA Tier 3 and EU Stage 3A emissions certified, without sacrificing power or productivity. • Four-level Economy Mode Setting Provides the operator additional flexibility to match performance to the application to optimize fuel efficiency • Low Operational Noise - Electronically controlled variable speed fan drive - Large hybrid fan - Low-noise muffler WORKING ENVIRONMENT: • 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)	496 HP	370 kW
ISO9249 / SAE J1349 (Net)	487 HP	363 kW
Hydraulic fan at maximum speed (Net)	454 HP	338 kW
Rated rpm		1800 rpm
Fan drive type		Hydraulic

Hydraulic System

Type		EOLSS (Electronic Open-center Load Sensing System)
Number of selectable working modes		3
Main pump:
Type		Two (2) variable capacity piston pumps
Pumps for		Boom, arm, bucket, swing, and travel circuits
Maximum flow:
Main	2 x 130.5 U.S. gpm	2 x 494 ltr/min
Fan drive pump		Variable capacity piston type
Hydraulic motors:
Travel		Two (2) axial piston motors with parking brake
Swing		Two (2) 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	4,120 psi	28.4 MPa 290 kg/cm²
Heavy lift circuit	4,980 psi	34.3 MPa 350 kg/cm²
Pilot circuit	430 psi	2.9 MPa 30 kg/cm²
Hydraulic cylinders / Number of cylinders:	bore x stroke x rod diameter	bore x stroke x rod diameter
Boom / 2	7.9" x 76.8" x 5.5"	200 mm x 1950 mm x 140 mm
Arm:
Standard / 1	7.9" x 88.6" x 5.5"	200 mm x 2250 mm x 140 mm
SE / 2	7.3" x 63.4" x 4.7"	185 mm x 1610 mm x 120 mm
Bucket :
Standard / 1	7.3" x 63.4" x 5.1"	185 mm x 1610 mm x 130 mm
SE / 1	8.9" x 55.9" x 6.3"	225 mm x 1420 mm x 160 mm

Swing System

Driven method		Two (2) hydraulic motors
Swing reduction		Planetary gear
Swing circle lubrication		Grease-bathed
Swing lock		Oil disc brake
Swing speed		6.8 rpm
Swing torque	209,461 ft. lbs.	28968 kg•m

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	125,660 lb	559 kN 57000 kg
Gradeability		70%
Maximum travel speed:
High	2.6 mph	4.2 km/h
Low	1.7 mph	2.8 km/h
Service brake		Hydraulic lock
Parking brake		Oil disc brake

Undercarriage

Center frame		H-leg
Track frame		Box-section
Track type		Sealed
Track adjuster		Hydraulic
No. of shoes		51 each side
No. of carrier rollers		3 each side
No. of track rollers		9 each side

Service Refill Capacities

Fuel tank	258.9 U.S. gal	980 ltr
Radiator	26.4 U.S. gal	100 ltr
Engine	14 U.S. gal	53 ltr
Final drive, each side	5.3 U.S. gal	20 ltr
Swing drive	6.5 x 2 U.S. gal	24.5 x 2 ltr
Hydraulic tank	124.2 U.S. gal	470 ltr

Operating Weight (APROXIMATE)

Shoes	Operating Weight	Ground Pressure
32" / 810 mm Double grouser	185,585 lb 84180 kg	13.46 psi 0.95 kg/cm²
40" / 1010 mm Double grouser	188,670 lb 85579 kg	10.99 psi 0.77 kg/cm²