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Komatsu Excavators PC5500-6
PC5500-6 Mining Shovel
The 1.1 million pound PC5500-6 Features two 1260 hp diesel motors. If a mine would prefer to use electrical power, the PC5500-6 can be equipped with two electric motors instead of diesel. Like smaller Komatsu mining excavators, backhoe or shovel fronts can be fitted to the PC5500-6.
Diesel Drive
The integrated engine oil & filter system combining the oil stabilizing systems, Reserve and Centinel, with the Eliminator self cleaning oil filter extends, with oil analysis, the oil change interval to 4000 hours. (not available in Australia)
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
The power train consists of two main drives. Diesel engines or electric motors can be supplied. Each connected to a gearbox and 3 identical main pumps which draw hydraulic oil from an unpressurized hydraulic tank. Open circuit hydraulics provide maximum cooling and filtering efficiency.The four-circuit system features a load-limiting governor with oil delivery summation to the working circuits and incorporates pressure cut-off control. Hydropilot prioritizes hydraulic flow giving smooth hydraulic response, simple hydraulic system layout, and a reduced number of components. Filtration is at the oil intake to pumps, valve blocks, heat exchangers and the oil tank.
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 filtersone per pump located at the valve blocks
200 microns
Full flow return line filters (10 double elements)(at head of hydraulic tank)
10 microns
Case drain/by-pass return line filters
3 microns
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
The high capacity engine radiators are cooled by hydraulically driven fans for superior cooling efficiency and require little maintenance. The hydraulic system includes four large swing-out vertical air-to-oil hydraulic coolers with temperature-regulated hydraulically driven fans.
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
2 x 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
Undercarriage
Undercarriage consists of one center carbody and two track frames, each side attached by 80 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 ECS.The central lube grease system is supplied from a refillable 300 liter / 80 gal. container. A second, identical system supplies open gear lubricant to the swing ring teeth through a lube pinion. Replenishment of the containers is through the service center.
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
The Electronic Control System (ECS) digital diagnostic system, mounted in the operator's console, provides a text display of realtime and stored information about the operating systems of the machine. Non-serious and critical faults are immediately announced, and for major malfunctions the engines are also shut down. The integrated digital storage provides full event history, which can be downloaded with a laptop computer. The ability to electronically record service events provides precise service information to assist in reducing downtime.
Cab
The large welded steel cab is mounted with 18 viscous damping pads and sound insulated.It is equipped with automatic climate control and is pressurized. The operator's seat is fully adjustable, air suspended, electrically heated and has a lap seat belt. Trainer's seat included.Low effort joystick controls are electric over hydraulic and foot controls are for front shovel clam, crawler and swing brake.Full instrumentation and Electronic Control System (ECS) are provided. Space in the console is provided for an additional monitor. AM/FM radio is included. The dual windshield wipers have two-speed and intermittent operation (water reservoir 7 liters 1.8 gal.). Amenities include a wash basin with running water (water reservoir 50 liters 13 gal.), refrigerator, and storage cabinets. Powered mirrors are adjustable from inside the 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
