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Excavator Series PC3000-6
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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