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Used Excavator CAT 320BL Gallery, Images, Pictures

Used Excavator CAT 320BL Main Parts Pictures

The CAT 320BL excavator is a widely recognized model from Caterpillar, designed for general excavation, construction, and utility applications. Below are the main parts of the CAT 320BL:

1. Engine System

Engine: CAT 3066T diesel engine (known for durability and efficiency).
Cooling System: Includes a radiator, fan, and oil cooler to maintain optimal operating temperature.
Fuel System: High-capacity fuel tank and injectors for smooth performance.

2. Hydraulic System

Hydraulic Pump: Provides power to the boom, stick, and other attachments.
Main Control Valve: Directs hydraulic flow to specific components.
Hydraulic Cylinders: Used for boom, stick, and bucket movement.
Hydraulic Lines and Hoses: Transfer hydraulic fluid to various components.

3. Undercarriage

Track Frame: Provides support for the tracks.
Tracks: Composed of track shoes, chains, rollers, and idlers for stability and mobility.
Rollers (Top and Bottom): Support the weight of the machine and ensure smooth track movement.
Drive Motor and Final Drives: Propel the tracks and provide torque.

4. Upper Frame

Cabin: Operator station with controls, seat, and visibility windows.
Counterweight: Balances the machine for stability during heavy lifting.
Access Panels: Allow access to internal components for maintenance.

5. Work Group

Boom: The primary arm that extends upward and outward.
Stick (Dipper Arm): Connects the boom to the bucket, allowing reach and precision.
Bucket: Used for digging, scooping, or material handling. Multiple sizes and types are available.
Pins and Bushings: Provide pivotal connections between the boom, stick, and bucket.

6. Electrical System

Battery: Provides power for startup and electrical systems.
Control Panel: Displays operational data and alerts for monitoring machine health.
Lighting System: Provides illumination for night work or low-light conditions.

7. Swing System

Swing Motor: Powers the rotation of the upper frame.
Swing Gear and Bearing: Facilitates smooth rotation of the cab and workgroup.

8. Attachments (Optional)

Quick Coupler: Allows rapid switching between tools like buckets, hammers, and grapples.
Auxiliary Hydraulic Lines: Enable operation of additional attachments.