Cat CAT 320 Heavy Duty Hydraulic Crawler Excavator
The Caterpillar CAT 320 is a 20-ton class hydraulic crawler excavator designed for heavy-duty earthmoving, infrastructure development, and bulk material handling. Equipped with a standard 1.0 m3 bucket capacity, robust undercarriage, and original main hydraulic pump system, this machine delivers consistent digging power, fast cycle times, and structural durability under demanding jobsite conditions.
Key Specifications
Model: Caterpillar CAT 320 / CAT 320CL / CAT 320D
Equipment Type: Hydraulic Crawler Excavator
Bucket Capacity: 1.0 m3
Operating Weight: Approx. 20,000 - 22,000 kg
Engine Power: CAT Diesel Engine
Travel Speed: 5.5 km/h
Max Digging Depth: 6,500 mm
Max Digging Reach: 9,800 mm
Undercarriage: Heavy-Duty Track Rollers and Steel Shoes
Core Performance Advantages
Original Hydraulic System: Integrated main pump and control valve setup ensures precise pilot control, quick swing speed, and efficient oil distribution to the boom, stick, and bucket cylinders.
High Digging Breakout Force: Optimized boom and stick geometry maximized for efficient trenching, hard soil excavation, and bulk loading operations.
Structural Durability: Reinforced boom, arm connection points, and heavy-duty box-section track frame absorb mechanical stress and prevent fatigue cracking in harsh operating environments.
Fuel-Efficient Powertrain: Engine throttle management system aligns output torque with hydraulic demand, reducing fuel consumption per ton of material moved.
Operator Cab and Control Ergonomics: Fully enclosed cab with clear visibility, ergonomic joystick layout, and integrated monitoring panel for real-time engine and hydraulic diagnostics.
Application Scenarios
General Construction & Foundation Work: Ideal for site leveling, foundation digging, utility trenching, and backfilling for commercial and residential construction projects.
Road & Infrastructure Development: Performs heavy grading, slope cutting, drainage channel digging, and highway subgrade preparation.
Quarrying & Bulk Material Handling: Handles rock loading, gravel stock pile work, and loading dump trucks in sand pits or quarry yards.
Demolition & Land Clearing: Operates effectively with hydraulic breakers, shears, or rippers for site clearance, concrete breaking, and stump removal.
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