Used Komatsu 200-8 Excavator

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Here is a detailed English introduction to the Komatsu PC200-8 excavator (commonly referred to as the "200-8" series), one of the most popular and widely used 20-ton hydraulic excavators in the world.

Komatsu PC200-8 Hydraulic Excavator: Detailed Overview

The Komatsu PC200-8 is a mid-sized hydraulic excavator that belongs to Komatsu’s highly successful Dash-8 series. Renowned for its durability, fuel efficiency, advanced technology, and operator comfort, the PC200-8 has been a benchmark in the 20-tonne class for heavy construction, earthmoving, quarrying, demolition, and infrastructure projects worldwide.

1. Engine and Performance

At the heart of the PC200-8 is a Komatsu-designed, high-performance, low-emission engine.

Engine Model: Komatsu SAA6D107E-1
Type: 6-cylinder, water-cooled, 4-cycle, direct injection, turbocharged, after-cooled diesel engine.
Displacement: 6.69 liters
Net Power:
- 110 kW (148 HP) @ 2000 rpm (ISO 9249)
- 116 kW (156 HP) @ 2000 rpm (SAE J1349 – gross)
Maximum Torque: High torque at lower engine speeds ensures powerful digging and lifting capabilities.
Emission Compliance: Meets EPA Tier 3 and EU Stage IIIA emission standards through the use of an advanced electronic fuel injection system, cooled Exhaust Gas Recirculation (EGR), and a highly efficient combustion chamber.

Key Performance Feature:The Komatsu EMMS (Equipment Management Monitoring System) continuously monitors machine health and performance, providing instant diagnostics and reducing downtime. The engine is coupled with a variable-speed, demand-responsive fan that optimizes cooling while saving fuel.

2. Hydraulic System

The PC200-8 features Komatsu’s proprietary HydrauMind (Hydraulic Mechanical Intelligence New Design) closed-center load sensing system (CLSS). This system is designed for precise control, even during combined operations.

System Type: Closed-center with load sensing and pressure-compensated valves.
Number of Pumps: 2 variable-displacement piston pumps for implements + 1 gear pump for pilot control.
Maximum Oil Flow: 439 L/min (116 US gal/min)
Relief Valve Settings:
- Implement circuit: 37.3 MPa (380 kgf/cm²)
- Travel circuit: 37.3 MPa (380 kgf/cm²)
- Swing circuit: 28.9 MPa (295 kgf/cm²)
Hydraulic Cylinders: Heavy-duty cylinders with large bores for powerful breakout force.
- Boom: 1 x 130 mm bore
- Arm: 1 x 135 mm bore
- Bucket: 1 x 120 mm bore

Key Hydraulic Feature:The hydraulic system allows for smooth proportional control of attachments. Optional Attachment Control System enables flow and pressure settings to be adjusted from the monitor panel for various attachments like breakers, crushers, or shears. A Power Max function provides an extra 7% of hydraulic power at the touch of a button for tough digging conditions.

3. Operational Performance and Durability

The PC200-8 is built to deliver high productivity and long-term reliability on tough job sites.

Digging Forces (ISO 6015):
- Bucket Digging Force: 149 kN (33,500 lbf)
- Arm Crowd Force: 114 kN (25,630 lbf) (standard 2.93m arm)
Swing System: Axial piston motor with swing holding brake. Swing speed is up to 12.4 rpm, ensuring fast cycle times.
Travel System:
- Two-speed travel motors with automatic shift.
- Maximum Travel Speeds: Low 3.0 km/h / High 5.5 km/h
- Drawbar Pull: High traction force of 178 kN (40,000 lbf) for excellent gradeability (up to 70% / 35°).
Undercarriage: Reinforced box-section track frames, sealed and lubricated track chains, and robust idlers and sprockets ensure exceptional durability. Available in standard and long undercarriage (LC) configurations.
Boom and Arm: Constructed of thick, high-tensile-strength steel plates with internal reinforcement plates at critical stress points for maximum rigidity.

4. Operator Environment

Komatsu placed a significant emphasis on comfort and safety in the PC200-8 cab.

Cab Structure: ROPS (Roll-Over Protective Structure) and OPG (Operator Protective Guard) Level 1 compliant as standard. The viscous damper mounting system reduces vibrations and noise.
Control System:
- PPC (Proportional Pressure Control) hydraulic joysticks for low-effort, precise operation.
- Multi-function color LCD monitor (TFT-LCD) provides information in 25 languages, including fuel consumption records, maintenance intervals, and camera views.
Visibility: Excellent all-around visibility with a large glass area, narrow front cab posts, and a standard rearview camera.
Climate Control: High-capacity automatic air conditioning system with optimized air circulation.
Seat: High-back, fully adjustable suspension seat with integrated console, reducing operator fatigue during long shifts.
Interior Noise: Exceptionally quiet at 69 dB(A), meeting strict noise regulations.

5. Advanced Technology and Features

The PC200-8 integrates several advanced technologies to enhance efficiency and management.

Komtrax™: Standard satellite-based remote monitoring system. Fleet managers can track machine location, operating hours, fuel consumption, service alerts, and performance data from any web-enabled device, drastically improving fleet management and theft prevention.
Ecology Guidance System: Provides real-time fuel-saving tips and tracks fuel consumption history on the monitor, encouraging efficient operation.
Auto-Deceleration: Automatically reduces engine speed to idle when the hydraulic circuits are neutral for a preset time, saving fuel.
Energy-Saving Modes: Operators can choose between Power, Economy, Lifting, Breaker, and Attachment modes, matching engine power and hydraulic output to the specific task.

6. Easy Maintenance

Designed for simplified daily checks and reduced downtime.

Accessibility: Wide-opening gull-wing engine doors, removable side covers, and ground-level access to filters and grease points.
EMMS Monitor: Self-diagnostic capabilities alert the operator to abnormalities and display fault codes.
Extended Service Intervals: Engine oil and filter changes at 500 hours; hydraulic oil change interval at 5000 hours.
Components: Engine oil drain coupler, fuel pre-filter with water separator, and an optional reversible cooling fan to clear debris from the radiator and oil cooler without manual cleaning.

7. Key Specifications (Standard Configuration)

Specification	Value
Operating Weight	19,700 – 20,600 kg (43,430 – 45,420 lb)
Bucket Capacity	0.50 – 1.17 m³ (0.66 – 1.53 yd³)
Overall Length	9,425 mm (371.1 in)
Overall Width	2,800 mm (110.2 in)
Overall Height (to cab top)	3,040 mm (119.7 in)
Tail Swing Radius	2,750 mm (108.3 in)
Maximum Digging Depth	6,620 mm (21’9”)
Maximum Digging Reach	9,875 mm (32’5”)
Maximum Dumping Height	7,100 mm (23’4”)
Fuel Tank Capacity	400 L (105.7 US gal)
Hydraulic Tank Capacity	135 L (35.7 US gal)

8. Attachments and Versatility

The PC200-8 can be equipped with a wide range of attachments for various applications, including:

Buckets: General-purpose, heavy-duty rock, trenching, and clean-up buckets.
Quick Couplers: Hydraulic pin-grabber or dedicated couplers for fast attachment changes.
Breakers and Crushers: With dedicated piping and settings on the monitor.
Long-Reach Configuration: For demolition or dredging projects.
Clamshells and Grapples: For material handling and scrap processing.

Summary

The Komatsu PC200-8 is a well-balanced machine that combines raw power with intelligent technology. Its reputation for reliability, fuel-saving features, and a comfortable, safe cab makes it a preferred choice for contractors seeking to maximize productivity and minimize operating costs in medium-duty to heavy-duty applications. The integration of Komtrax provides a significant advantage in fleet management, making the PC200-8 not just an excavator but a complete asset management solution.

Non flooded

No accident

Original product

Used Komatsu 200-8 Excavator

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