The Komatsu PC2000-8 excavator is a large mining hydraulic excavator widely used in open-pit mines, quarries, large-scale earthmoving projects, and other demanding working environments. With its powerful engine, large bucket capacity, and efficient hydraulic system, the PC2000-8 is designed to meet the demands of continuous mining operations and large-scale earthmoving projects.
The Komatsu PC2000-8 excavator is available in two main working equipment configurations: Backhoe and Loading Shovel. Each configuration offers different advantages in digging methods, working range, and loading operations, making them suitable for various mining conditions.
This article provides an overview of the Komatsu PC2000-8 excavator, covering its overall performance, engine, digging capacity, operator comfort, maintenance, and applications.
Komatsu PC2000-8 Excavator Overall Performance
The Komatsu PC2000-8 is a crawler hydraulic excavator designed for large-scale mining and heavy-duty earthmoving operations. It offers powerful digging capabilities, stable hydraulic performance, and the ability to operate continuously under demanding conditions.
Its efficient hydraulic system helps reduce hydraulic energy losses, while different operating modes allow the machine to adapt to varying workloads and improve operating efficiency under challenging conditions.
PC2000-8 Backhoe
The PC2000-8 Backhoe is primarily designed for downward digging operations, making it suitable for open-pit mine overburden removal, deep foundation excavation, quarrying, and large-scale earthmoving projects.
PC2000-8 Loading Shovel
The PC2000-8 Loading Shovel is mainly designed for forward digging and material loading operations at mining faces.
Unlike the Backhoe configuration, the Loading Shovel typically digs forward and upward from the machine’s operating position, making it suitable for loading ore and earth into large mining haul trucks.
Komatsu PC2000-8 Excavator Engine Performance
The Komatsu PC2000-8 is powered by a Komatsu SAA12V140E-3 diesel engine.
This engine features a water-cooled, four-stroke, direct-injection, turbocharged, and aftercooled design, making it suitable for heavy-duty operation in large mining equipment.
Key Engine Features
High Power Output
With a rated power output of 713 kW, the engine provides sufficient power for large-scale mining excavation and loading operations.
Suitable for Continuous Heavy-Duty Operation
The V12-cylinder configuration, combined with a turbocharging system, helps maintain stable power output under heavy workloads.
Water-Cooled and Aftercooled Design
The engine uses a cooling system and charge-air cooling system to regulate operating temperatures and support extended working hours.
Komatsu PC2000-8 Digging Capacity
Digging capacity is an important factor in evaluating the performance of large mining excavators. It includes bucket capacity, digging force, working range, and loading efficiency.
The Komatsu PC2000-8 features large working equipment and a heavy-duty structural design, making it suitable for ore excavation, rock handling, and large-scale earthmoving operations.
Large Bucket Capacity
Depending on the working equipment configuration, the PC2000-8 Backhoe offers a bucket capacity of approximately 12–13.7 m³.
The large bucket allows the excavator to move more material in a single digging cycle, helping improve productivity in large-scale construction and mining operations.
Powerful Working Equipment
The PC2000-8 is equipped with a large boom, arm, and hydraulic cylinders that deliver high digging force and stable hydraulic movements.
Its working equipment is designed for heavy-duty excavation and intensive material loading operations.
Backhoe vs. Loading Shovel Digging Methods
| Comparison | Backhoe | Loading Shovel |
|---|---|---|
| Primary Digging Direction | Downward and inward | Forward and upward |
| Typical Applications | Overburden removal, deep excavation, foundation work | Ore excavation, mining face loading |
| Working Characteristics | Greater digging depth and working range | Strong forward digging and truck-loading capabilities |
| Common Working Environments | Mines, earthmoving projects, quarries | Open-pit mines, large-scale loading operations |
Komatsu PC2000-8 Operator Cab and Comfort
Large mining excavators often operate continuously for extended periods, making cab design an important factor in operator efficiency and comfort.
The Komatsu PC2000-8 excavator features a spacious operator cab that provides sufficient operating space and a comfortable working environment.
- Spacious Operator Cab
- Comfortable Seat Design
- Air Conditioning and Communication Equipment
- Equipment Monitoring System
The onboard monitoring system allows operators to view certain machine operating conditions and fault alerts, helping them stay informed about equipment performance.
Komatsu PC2000-8 Excavator Maintenance and Servicing
For large hydraulic excavators operating continuously in mining environments, regular maintenance is essential for maintaining equipment reliability, reducing failures, and controlling repair costs.
The PC2000-8 features a maintenance-friendly equipment layout and an onboard monitoring system to assist maintenance personnel with routine inspections.
Centrally Arranged Maintenance Components
Some filters and routine maintenance components are arranged for easier access, helping reduce maintenance time.
Onboard Fault Monitoring System
The equipment monitoring system displays relevant operating data and fault alerts, helping operators identify abnormalities in a timely manner.
Komatsu PC2000-8 Excavator Durability and Reliability
The Komatsu PC2000-8 excavator is designed for large-scale mining and heavy-duty construction environments, where working equipment and critical structural components must withstand substantial digging loads.
Reinforced Working Equipment
The excavator features heavy-duty working equipment suitable for mining operations, including a large boom, arm, and reinforced rock bucket.
Wear-Resistant Materials
The bucket and other components exposed to abrasive materials incorporate wear-resistant designs suitable for heavy-duty operations, helping extend component service life.
Hydraulic System Reliability
An efficient hydraulic system design and regular maintenance help maintain stable operating performance.
Hydraulic oil and filters should be inspected or replaced according to the maintenance intervals specified in the applicable equipment manual, rather than relying solely on operating hours to assess their condition.
Main Applications of Komatsu PC2000-8 Excavator
- Open-Pit Mining
- Quarrying
- Large-Scale Earthmoving
- Mining Loading Operations
Commonly Used Maintenance Parts for Komatsu PC2000-8 Excavator
The PC2000-8 repair kits mainly cover hydraulic cylinders, hydraulic pumps, hydraulic motors, hydraulic control valves, and other auxiliary hydraulic components.
Based on their repair locations and functions, these kits can be classified into the following categories.
| Repair Kit | Main Repair Components |
|---|---|
| Hydraulic Cylinder Seal Kit | Piston seals, rod seals, wiper seals, wear rings, etc. |
| Main Hydraulic Pump Repair Kit | Pistons, cylinder blocks, valve plates, shaft seals, etc. |
| Main Pump Seal Kit | O-rings, oil seals, gaskets |
| Swing Motor Repair Kit | Shaft seals, rotating components, sealing elements |
| Travel Motor Repair Kit | Seals, bearings, rotating components |
| Center Swivel Joint Seal Kit | O-rings, rotary seals |
| Main Control Valve Seal Kit | Spool-related seals, O-rings, backup rings |
| Pilot Valve Repair Kit | Pilot control valve seals and repair components |
| Track Adjuster Seal Kit | Track adjuster cylinder seals |
Specifications Table
| Category | Specification | PC2000-8 Loading Shovel | PC2000-8 Backhoe |
| Diesel Engine | Model | SAA12V140E-3 | SAA12V140E-3 |
| Engine Type | Water-cooled | Four-stroke, water-cooled, direct injection | |
| Rated Power (kW) | 713 | 970（713） | |
| Rated Speed (rpm) | 1800 | 1800 | |
| Displacement (L) | 30.48 | 30.48 | |
| Number of Cylinders | 12 | 12 | |
| Bore × Stroke (mm) | 140×165 | 140×165 | |
| Performance | Operating Weight (kg) | 195000 | 200000 |
| Bucket Capacity (m³) | 11 | 12 | |
| Swing Speed (rpm) | 4.8 | 4.8 | |
| Ground Pressure (kPa) | 186 | 190 | |
| Gradeability (%) | 65 | 65 | |
| Bucket Digging Force (kN) | 721 | 696.78 | |
| Arm Digging Force (kN) | 755 | 586.04 | |
| Boom Length (mm) | 5950 | 8700 | |
| Arm Length (mm) | 4450 | 3900 | |
| Dimensions | Transport L × W × H (mm) | 13075×7490×7435 | 17030×6240×7135 |
| Overall Cab Height (mm) | 7030 | ||
| Counterweight Ground Clearance (mm) | 2095 | 2095 | |
| Track Length on Ground (mm) | 5780 | 5780 | |
| Overall Track Length (mm) | 7445 | 7435 | |
| Track Shoe Width (mm) | 810 | 810 | |
| Overall Track Width (mm) | 5410 | 5650 | |
| Track Gauge (mm) | 4600 | ||
| Minimum Ground Clearance (mm) | 825 | 825 | |
| Minimum Front Attachment Swing Radius (mm) | 7500 | ||
| Tail Swing Radius (mm) | 5980 | ||
| Working Range | Maximum Digging Reach (mm) | 13170 | 15780 |
| Maximum Digging Reach at Ground Level (mm) | 11940 | 15305 | |
| Maximum Digging Depth (mm) | 3190 | 9235 | |
| Maximum Digging Height (mm) | 14450 | 13410 | |
| Maximum Dumping Height (mm) | 9665 | 8650 | |
| Maximum Vertical Digging Depth (mm) | 2710 | ||
| Fluid Capacities | Fuel Tank (L) | 3400 | 3400 |
| Hydraulic Oil Tank (L) | 1300 | 1300 | |
| Engine Oil Refill (L) | 120 | 120 | |
| Coolant (L) | 180 | ||
| Hydraulic System | Main Pump Type | Variable-Displacement Piston Pump | Variable-Displacement Piston Pump |
Farin
Kingsley
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