Used Excavator Doosan DX140 Gallery, Images, Pictures

Image Gallery with Vertical Thumbnail

Used Excavator Doosan DX140 Main Parts Pictures

The Doosan DX140 excavator is a reliable and versatile machine commonly used in construction, excavation, and material handling. Here is a detailed list of its main parts:

1. Engine

• Type: Diesel engine (commonly Doosan or Perkins engines).
• Function: Powers the excavator and its hydraulic systems.
• Cooling System: Includes a radiator, fan, and coolant system to maintain optimal operating temperature.
• Air Filter: Protects the engine from dust and debris.

2. Hydraulic System

• Main Hydraulic Pump: Delivers pressurized fluid to operate the boom, arm, and bucket.
• Hydraulic Cylinders: Control movements of the boom, arm, and bucket.
• Hydraulic Reservoir: Stores hydraulic oil for system operation.
• Control Valves: Direct hydraulic fluid to various components.
• Auxiliary Hydraulic Lines: Allow the use of additional attachments like breakers or grapples.

3. Undercarriage

• Tracks: Available in rubber or steel, providing stability and traction.
• Track Rollers: Support and guide the tracks.
• Idlers: Keep tracks aligned and maintain tension.
• Sprockets: Drive the tracks for forward or reverse motion.
• Track Tensioner: Adjusts the tension for smooth operation.

4. Superstructure

• Main Frame: Supports the engine, hydraulic systems, and operator's cabin.
• Counterweight: Provides balance and stability during operation.
• Swing Bearing: Enables the upper structure to rotate 360 degrees.
• Access Doors: Allow maintenance access to critical components.

5. Boom and Arm (Stick)

• Boom: The main arm that provides lifting and digging capabilities.
• Arm (Stick): Extends from the boom to increase reach and digging depth.
• Pins and Bushings: Connect and allow movement between the boom, arm, and bucket.

6. Bucket

• Bucket Types: Includes trenching, heavy-duty, grading, and specialty buckets.
• Bucket Teeth: Replaceable for digging and cutting through materials.
• Coupler System: Allows quick attachment changes.

7. Operator’s Cabin

• Controls: Joysticks and pedals for controlling movement and operation.
• Display Panel: Shows engine status, hydraulic system metrics, and diagnostic alerts.
• Seating: Ergonomic with suspension for operator comfort.
• Visibility: Large windows for clear sightlines.
• Climate Control: Includes air conditioning and heating.

8. Swing System

• Swing Motor: Drives the rotation of the upper structure.
• Swing Gearbox and Bearing: Enable smooth and precise 360-degree rotation.

9. Fuel System

• Fuel Tank: Stores diesel fuel for engine operation.
• Fuel Filters: Ensure clean fuel delivery to the engine.

10. Electrical System

• Battery: Powers the starter and electronic components.
• Lighting: Work lights for nighttime or low-visibility operations.
• Wiring Harness: Connects and integrates electrical components.

11. Cooling System

• Radiator and Fan: Keep the engine and hydraulic systems cool.
• Oil Cooler: Maintains proper temperature for hydraulic and engine oils.

12. Travel System

• Travel Motors: Propel the machine forward and backward.
• Final Drives: Transmit torque to the tracks for movement.
• Travel Pedals: Operator-controlled pedals for moving the excavator.

13. Attachments (Optional)

• Hydraulic Breakers: For demolition work.
• Augers: For drilling.
• Thumb Grapples: For material handling.
• Quick Coupler: For easy switching between attachments.

14. Safety Features

• ROPS (Rollover Protective Structure): Protects the operator in case of a rollover.
• Emergency Stop: Quickly shuts down the machine in emergencies.
• Overload Alarm: Alerts the operator if the load exceeds safe limits.