Used Excavator CAT 313GC Gallery, Images, Pictures

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Used Excavator CAT 313GC Main Parts Pictures

The CAT 313GC is a fuel-efficient, durable, and versatile hydraulic excavator designed for a range of construction, digging, and lifting applications. It is part of Caterpillar’s 13-ton class of excavators and is engineered for improved productivity and reduced operating costs.

Here are the main parts of the CAT 313GC:

1. Engine

• Engine Type: C4.4 ACERT™ Diesel Engine.
• Horsepower: Around 97 horsepower (72 kW).
• Function: Powers the excavator and supports the hydraulic system.
• Features:
  • Fuel-efficient engine technology.
  • ACERT™ technology for better emission control and engine performance.
  • Turbocharger for improved engine output.

2. Hydraulic System

• Main Hydraulic Pump: Delivers hydraulic power to various systems (boom, arm, bucket, swing, travel).
• Hydraulic Cylinders: Responsible for controlling the movement of the boom, arm, and bucket.
• Hydraulic Tank: Stores the hydraulic fluid that is pumped throughout the system.
• Control Valve: Directs hydraulic fluid to the various hydraulic cylinders based on operator inputs.
• Hydraulic Filtration: Filters hydraulic fluid to ensure longevity of the components.

3. Boom

• Function: A long, structural arm that provides the range and movement needed for digging or lifting tasks.
• Hydraulic Cylinder: Controls the lifting and lowering of the boom.
• Boom Design: Optimized for strength and durability while reducing weight.

4. Arm (Stick)

• Function: Connects the bucket to the boom and provides additional reach for digging or material handling.
• Hydraulic Cylinder: Allows the arm to extend or retract.

5. Bucket

• Function: The primary tool for digging, lifting, and moving material like dirt, rock, or debris.
• Bucket Types: Varies depending on the work requirements (e.g., general-purpose bucket, heavy-duty bucket).

6. Undercarriage

• Tracks: Provide stability and mobility for the excavator, often made of heavy-duty steel.
• Track Rollers: Support the track and ensure even weight distribution.
• Sprockets: Drive the track, ensuring movement and control.
• Idlers: Maintain track tension to prevent slipping.

7. Cab and Operator Controls

• Cab: The operator’s enclosed space, providing comfort and protection from environmental elements.
• Ergonomics: Includes an adjustable seat, controls, and high-visibility windows for comfort and safety.
• Control System: Joysticks and pedals are used to control the machine’s various functions (boom, arm, bucket, swing, travel).
• Display Panel: Monitors important information such as fuel usage, performance metrics, and maintenance alerts.
• Climate Control: Air conditioning and heating to maintain operator comfort.

8. Travel Mechanism

• Drive Motors: Powers the tracks to move the excavator forward, backward, or sideways.
• Hydraulic Travel Speed Control: Allows for variable travel speeds, including low and high speeds.
• Swing Lock: Locks the swing motion when traveling to prevent unnecessary movement.

9. Counterweight

• Function: Adds stability to the excavator, especially when lifting or digging with the boom and arm extended.
• Position: Located at the rear of the machine to balance the weight of the boom and attachment.
• Weight: Helps prevent tipping when performing heavy lifting or digging tasks.

10. Swing Mechanism

• Swing Motor: Powers the rotation of the upper structure (cab, boom, arm, bucket) around the undercarriage.
• Swing Bearings: Enable smooth and stable rotation of the upper structure.

11. Cooling System

• Radiator: Cools the engine and hydraulic system to prevent overheating.
• Coolant Pump: Circulates coolant to maintain optimal engine and hydraulic temperatures.
• Air Filters: Prevent debris from entering the cooling system, maintaining proper airflow.

12. Electrical System

• Battery: Powers the electrical components, such as lights, monitoring system, and starting system.
• Alternator: Charges the battery and powers electrical systems when the engine is running.
• Fuses and Circuit Breakers: Protect electrical components from overloads and short circuits.

13. Fuel System

• Fuel Tank: Stores diesel fuel to power the engine.
• Fuel Filter: Ensures clean fuel reaches the engine, preventing damage from impurities.
• Fuel Pump: Transfers fuel from the tank to the engine as required.

14. Air Conditioning and HVAC System

• Cab HVAC System: Regulates the temperature inside the operator's cab for comfort.
• Air Filtration: Keeps the cabin environment clean and free of dust or exhaust fumes.

15. Exhaust System

• Muffler: Reduces the noise generated by the engine exhaust.
• Emission Control: Includes components like the diesel particulate filter (DPF) and selective catalytic reduction (SCR) for reduced emissions.

16. Service and Maintenance Features

• Grease Points: Locations for regular lubrication of moving parts to reduce wear.
• Oil Filters: Ensure clean oil circulates throughout the engine and hydraulic systems.
• Maintenance Access: Easy-to-access panels for checking fluid levels, changing filters, and inspecting critical components.
• Maintenance Alerts: Integrated system to notify operators when maintenance is required.

17. Safety Features

• Operator Presence System: Ensures that the machine cannot be operated unless the operator is safely seated.
• Cameras/Monitoring: Optional rear-view cameras or proximity sensors for added safety.
• Rollover Protection: Reinforced cab to protect the operator in case of a rollover.

18. Attachments and Auxiliary Systems

• Hydraulic Quick Coupler: Allows for fast and easy swapping of attachments like buckets, hammers, or grapples.
• Auxiliary Hydraulics: Provide power to additional attachments, such as breakers or augers.

The CAT 313GC is designed for maximum fuel efficiency, performance, and ease of operation. Its components are built for durability and ease of maintenance, with an emphasis on reducing operational costs while still providing robust lifting and digging capabilities.