Komatsu PC3000-6

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Features

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

Specifications

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    
The power train consists of one main drive. Diesel engine or electric motor can be supplied. One gearbox drives three identical main pumps which draw hydraulic oil from an unpressurized hydraulic tank. Open circuit hydraulics provide maximum cooling and filtering efficiency.    
     
The three-circuit Hydropilot system features electronic engine and pump management to optimise hydraulic power for smooth hydraulic action, fast response, simple system layout and a reduced number of components. Filtration is at the oil intake to pumps, valve blocks, heat exchangers and oil tank.    
     
Main hydraulic pumps 3x240 U.S. gal 3x910 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 and 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    
The high capacity engine radiator is cooled by a mechanically driven fan for superior cooling efficiency and requires little maintenance. The hydraulic system includes two large swing-out vertical air-to-oil hydraulic coolers with temperature-regulated hydraulically driven fan.    
     
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    
The undercarriage consists of one center carbody and two track frames, each side attached by 38 high torque bolts.    
     
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    
Two hydraulically powered Lincoln single line automatic lubrication systems are provided as standard, complete with time and volume variable controls. Activity and malfunction events are linked to the ETM. The central lube grease system is supplied from a refillable 200 liter 53 gal. barrel. A second, identical system supplies open gear lubricant to the swing ring teeth through a lube pinion. Replenishment of the barrels is through the service center.    
     
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    
The large welded steel cab incorporating the ISO 3449 FOPS Level 2 structure is vibration isolated with 15 viscous combination pads and sound insulated to 75 dB(A). It is equipped with automatic climate control and is pressurized. The operator´s seat is air suspended, electrically heated and has a lap seat belt.    
     
There is a trainer seat with belt.    
     
Low effort joystick controls are hydraulic with foot controls for front shovel clam, crawler and swing brake.    
     
Full instrumentation and Electronic Text Monitoring (ETM) are provided. AM/FM radio with CD player is included. Dual windshield wipers are synchronized with two-speed and intermittent operation.    
     
2 heated rearview mirrors are externally mounted. External metal sun louvers and internal pull-down sun blinds. Left-hand sliding window. All windows are tinted parsol green.    
     
Vehicle Monitoring System    
The Electronic Text Monitoring (ETM) system, mounted in the operator’s console, continuously monitors the performance of the engine, gearbox, autolube and hydraulic systems. Fault messages are immediately available to the operator via a digital display and in the event of critical malfunctions the engine is also shut down.    
     
The digital storage provides failure summary and analysis, which can be downloaded by laptop computer. This data will assist in predicting or reducing downtime.    

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