Komatsu Technology and Expertise • Quality management ISO 9001 certified • Environmental Management ISO 14001 certified • High, consistent quality through continuous investment in personnel, design and manufacturing systems and processes Advanced Hydraulics Extended reliability and control • Comprehensive monitored filtration • Simple open-circuit hydraulic system with high efficiency swing-out oil coolers Reliability and Durability Designed for lower operating costs • Robust structural design developed from field experience and finite element analysis • Extended life undercarriage wear parts • Large diameter rollers, idlers and sprockets • Large surface contact area with extensive precision hardening reduces wear • Hardened track link pin bores Productivity Designed for more tons per hour • Powerful digging forces • Easy bucket filling • Proven attachment design • All cylinders mounted under the shovel attachment for additional protection • Buckets and Wear Packages to suit all material densities and ground conditions Large Comfortable Cab Provides full shift comfort • Komatsu low noise cab on multiple viscous mounts for reduced noise and vibration • Large volume cab with full view front window (floor to ceiling) increases operator view • Comprehensive climate control with pressurized, filtered air ventilation and air conditioning • High specification multi-adjustable air suspension seat, redesigned for mining • Well elevated operator position provides superior all around view Powerful Diesel Engines Two Komatsu SDA12V159E-2 engines • Rated (each) 940 kW / 1260 HP, at 1800 rpm • Electronic engine management • Low engine emission levels – meets EPA Tier 2 emission regulations • Time saving oil management system as standard equipment; Centinel Engine Oil Management, Engine Reserve Oil Supply and Eliminator Oil Filter systems Easy Maintenance Simple, common-sense design gives quick, easy access to all major components • Hydraulically operated ground access ladder • Generous access to all major service points from machinery house floor level • Enclosed, internally lit machinery house with wall separating engine from pump area • Automatic central lubrication • Electronic Control System (ECS) provides real-time information from the operating systems of the machine • Ground-level access to hydraulically powered dropdown service center with Wiggins connections

Diesel Drive

Model		2 x Komatsu SDA12V159E-2
Type		4-cycle, water-cooled, direct injection
Aspiration		Turbocharged and aftercooled
Number of cylinders		12
Rated power @ 1800 rpm (SAE 1995/J1349)	2 x 1,260 HP	2 x 940 kW
Controller/Monitoring		Quantum

Electrical System

System		24 V
Batteries (series/parallel) (diesel version)		2 x 6 x 12 V
Alternator		2 x 100 A
Standard working lights		8 Xenon Lights
Standard service lights		14 lights

Hydraulic System

Rated flow (total output)	1110 gpm	4200 ltr/min
Relief valve setting	4,495 psi	310 bar
Swing flow rate	185 gpm	700 ltr/min
High pressure in line filters one per pump located at the valve blocks		200 microns
Full flow return line filters (10 double elements) (at head of hydraulic tank)		10 micron
Case drain/by-pass return line filters		3 micron

Drives and Brakes

Travel control		2 foot pedals
Gradeability		Up to 50%
Travel speed (maximum)	1.4 mph	2.1 km/h
Service brake		Hydraulic
Parking brake		Wet, multiple-disc

Cooling System

Hydraulic motors and drives		2
Swing brake, service		Hydraulic
Swing brake, parking		Wet, multiple-disc
Swing ring teeth		External
Swing speed (maximum)		3.1 rpm

Swing System

Hydraulic motors and drives		2
Swing brake, service		Hydraulic
Swing brake, parking		Wet, multiple-disc
Swing ring teeth		External
Swing speed (maximum)		3.1 rpm

Electric Drive

Type		2x Squirrel-cage induction motor
Power output		2x 900 kW
Voltage		6600 V*
Amperage (approximate)		215 A
Start-up		Soft start each motor in succession
Frequency (standard)		50 Hz @ 1500 rpm
Optional frequency		60 Hz @ 1800 rpm
*Other voltages available on request.

Undercarriage

Center frame		H-type
Track frame		Steel box-section
Track adjustment		Automatic hydraulic type
Number of shoes		46 each side
Number of top rollers		3 each side
Number of bottom rollers		7 each side

Automatic Centralized Lubrication

Hydraulic oil tank	1,000 U.S. gal	3800 ltr
Hydraulic system	1,585 U.S. gal	6000 ltr
Fuel	2,853 U.S. gal	10800 ltr
Engine coolant	2x 95 U.S. gal	2x 360 ltr
Engine oil	2x 50 U.S. gal	2x 190 ltr
Centinel engine oil make up tank	2x 153 U.S. gal	2x 580 ltr

Service Refill Capacities

Hydraulic oil tank	1,000 U.S. gal	3800 ltr
Hydraulic system	1,585 U.S. gal	6000 ltr
Fuel	2,853 U.S. gal	10800 ltr
Engine coolant	2x 95 U.S. gal	2x 360 ltr
Engine oil	2x 50 U.S. gal	2x 190 ltr
Centinel engine oil make up tank	2x 153 U.S. gal	2x 580 ltr

Vehicle Monitoring System

There are left and right-hand sliding windows. All windows are tinted parsol green. External metal louvers are provided on the cab side windows.
Cab engineering standards are:
• ISO 3449 Falling Objects Protection Structure (FOPS) Level 2
• ISO 6396 Noise in operator´s cab is 76dB(A)
• Air conditioner	34,120 Btu/hr	10 kW
• Heater/Defroster (Diesel version)	34,120 Btu/hr	10 kW
• Heater/Defroster (Electric version)	40,940 Btu/hr	12 kW

Cab

There are left and right-hand sliding windows. All windows are tinted parsol green. External metal louvers are provided on the cab side windows.
Cab engineering standards are:
• ISO 3449 Falling Objects Protection Structure (FOPS) Level 2
• ISO 6396 Noise in operator´s cab is 76dB(A)
• Air conditioner	34,120 Btu/hr	10 kW
• Heater/Defroster (Diesel version)	34,120 Btu/hr	10 kW
• Heater/Defroster (Electric version)	40,940 Btu/hr	12 kW