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 • Electronic pump management • 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 • 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 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 Engine Komatsu SSA12V159 engine • Rated 940 kW 1260 HP, at 1800 rpm • Electronic engine management • Low engine emission levels – meets EPA Tier 2 emission regulations • Optional time saving oil management system; 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; 60° angle with located bottom step • 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 Text Monitoring (ETM) system provides real-time information on the operating status of the machine • Ground-level access to hydraulically operated dropdown service center with Wiggins connections

Diesel Drive

Model		Komatsu SSA12V159
Type		4-cycle, water-cooled, direct injection
Aspiration		Turbocharged and intercooled
Number of cylinders		12
Rated power (SAE 1995/J1349) @ 1800 rpm	1,260 HP	940 kW
Governor		All-speed, electronic
Optional engine oil management system:	The integrated engine oil and filter system combining the oil stabilising systems, Reserve and Centinel, with the Eliminator self cleaning oil filter extends, with oil analysis, the oil change interval to 4000 hours.

Electrics

System		24 V
Batteries (series/parallel)		4 x 12 V
Alternator		150 A
Standard working lights		8 Xenon lights
Service lights		8 lights

Hydraulics

Main hydraulic pumps	3 x 238 U.S. gal/min	3 x 900 ltr/min
Relief valve setting	4,495 psi	310 bar
Swing flow rate	211 U.S. gal/min	800 ltr/min
High pressure in line filters one per pump located at the valve blocks		200 microns
Full flow return line filters 3 x 10 microns and leakage line filter 3 microns all with monitored by pass filters 200 microns. at head of tank

Drives & Brakes

Travel control		2 foot pedals
Gradeability		Up to 57%
Travel speed (maximum)	1.5 mph	2.4 km/h
Service brake		Hydraulic
Parking brake		Wet, multiple-disc

Swing System

Hydraulic motors and drives		1
Swing brake, service		Hydraulic
Swing brake, parking		Wet, multiple disc
Swing ring teeth		External
Swing speed (maximum)		4.6 rpm

Cooling System

Type		Squirrel-cage induction motor
Power output		900 kW
Voltage		6600 V*
Amperage (approximate)		96 A
Frequency (standard) @ 1500 rpm		50 Hz
Optional frequency @ 1800 rpm		60 Hz
*Other voltages available on request.

Electric Drive

Type		Squirrel-cage induction motor
Power output		900 kW
Voltage		6600 V*
Amperage (approximate)		96 A
Frequency (standard) @ 1500 rpm		50 Hz
Optional frequency @ 1800 rpm		60 Hz
*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	765 U.S. gal	2900 ltr
Hydraulic system	1,160 U.S. gal	4400 ltr
Fuel	1,190 U.S. gal	4500 ltr
Engine coolant	95 U.S. gal	360 ltr
Engine oil	50 U.S. gal	190 ltr

Service Refill Capacities

Hydraulic oil tank	765 U.S. gal	2900 ltr
Hydraulic system	1,160 U.S. gal	4400 ltr
Fuel	1,190 U.S. gal	4500 ltr
Engine coolant	95 U.S. gal	360 ltr
Engine oil	50 U.S. gal	190 ltr

Cab

Vehicle Monitoring System