Used Excavator Kobelco SK200-8 Gallery, Images, Pictures

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Used Excavator Kobelco SK200-8 Main Parts Pictures

The Kobelco SK200-8 is a highly efficient medium-sized excavator designed for heavy-duty construction and earthmoving tasks. Below is a detailed overview of its main parts:

1. Engine

• Type: Diesel engine (Hino J05E-TB or equivalent).
• Power Output: Approximately 155 HP (116 kW).
• Air Filtration System: Multi-stage air filter to prevent contaminants from entering the engine.
• Cooling System: Includes a radiator, intercooler, and cooling fan to maintain optimal engine temperature.
• Fuel System: Comprises a fuel tank, fuel injectors, filters, and a fuel pump for efficient fuel delivery.
• Exhaust System: Muffler and exhaust pipe for noise reduction and emission control.

2. Hydraulic System

• Main Hydraulic Pump: Provides power to the boom, arm, bucket, and auxiliary attachments.
• Hydraulic Cylinders:
  • Boom Cylinder: Controls the vertical movement of the boom.
  • Arm Cylinder: Manages the extension and retraction of the arm.
  • Bucket Cylinder: Operates the opening and closing of the bucket.
• Control Valves: Direct hydraulic fluid to the appropriate parts.
• Hydraulic Reservoir: Stores hydraulic fluid for system operations.
• Hydraulic Lines and Hoses: Transport pressurized hydraulic oil throughout the system.
• Auxiliary Hydraulic Circuits: Support additional attachments such as breakers or augers.

3. Upper Structure

• Counterweight: Balances the machine during operation to ensure stability.
• Swing Motor: Powers the rotation of the upper structure.
• Swing Bearing: Enables smooth and continuous 360-degree rotation.
• Engine Compartment: Houses the engine and related components.

4. Undercarriage

• Tracks: Available in steel or rubber, depending on application.
• Track Shoes: Provide traction and support for the excavator.
• Track Rollers: Support the weight of the excavator and guide the tracks.
• Carrier Rollers: Maintain track alignment and provide additional support.
• Idler: Ensures proper track tension.
• Drive Sprockets: Transmit power from the travel motor to the tracks.
• Track Tensioning System: Hydraulic or spring-based system to adjust track tension.

5. Boom, Arm, and Bucket

• Boom: Heavy-duty structure for lifting and positioning.
• Arm: Extends the reach of the boom and facilitates digging.
• Bucket:
  • General-purpose bucket for standard tasks.
  • Optional buckets: rock buckets, trenching buckets, grading buckets.
• Bucket Teeth: Replaceable for improved digging efficiency.
• Linkages and Pins: Connect moving parts and allow smooth articulation.

6. Operator's Cabin

• ROPS/FOPS: Roll-Over and Falling Object Protective Structures for operator safety.
• Seat: Adjustable, ergonomic seat for operator comfort during long hours.
• Control System: Joystick controls for precise operation of the boom, arm, and bucket.
• Instrumentation Panel: Displays real-time data such as fuel levels, hydraulic pressure, and error codes.
• Climate Control: Air conditioning and heating for operator comfort.
• Visibility: Large windows and rearview mirrors for a clear view of the surroundings.

7. Electrical System

• Battery: Powers the starting system and other electrical components.
• Alternator: Recharges the battery and supplies electricity during operation.
• Lighting System: Includes work lights, headlights, and auxiliary lights for night operations.
• Wiring Harness: Connects the electrical components.
• Monitoring Sensors: Track system health and provide maintenance alerts.

8. Drive System

• Travel Motors: Provide power for forward and backward movement.
• Travel Reduction Gear: Increases torque for efficient movement.
• Control Levers: Allow precise movement and speed adjustment.

9. Cooling System

• Radiator: Cools the engine to prevent overheating.
• Oil Cooler: Maintains the temperature of hydraulic and transmission oils.
• Cooling Fan: Ensures proper airflow through the radiator and oil coolers.

10. Counterweight

• Heavy cast-iron component located at the rear of the excavator.
• Balances the weight of the boom and bucket during operations.

11. Safety Features

• Backup Alarm: Alerts nearby workers when reversing.
• Emergency Stop Button: Quickly shuts down the machine in case of an emergency.
• Seat Belt: Ensures operator safety during operation.
• Handrails and Steps: Provide safe access to the cabin.

12. Optional Attachments

• Hydraulic Breaker: For breaking concrete and rocks.
• Auger: For drilling holes.
• Thumb Attachment: For gripping and lifting irregular materials.
• Tilt Bucket: For precise grading and shaping.
• Grapple: For handling logs, debris, or other irregular objects.

13. Fuel System

• Fuel Tank: High capacity for extended operation.
• Fuel Filters: Remove impurities to ensure smooth engine performance.
• Fuel Injectors: Deliver fuel to the engine for combustion.

14. Frame and Chassis

• Mainframe: High-strength steel construction to support heavy loads.
• Undercarriage Frame: Provides structural integrity for the track system.