CAT 320D with Direct Injection Engine | 21 Ton Crawler Hydraulic Excavator
CAT 320D with Direct Injection Engine | 21 Ton Crawler Hydraulic Excavator

CAT 320D with Direct Injection Engine | 21 Ton Crawler Hydraulic Excavator

Product Introduction

The Caterpillar CAT 320D is a dependable 20-ton crawler hydraulic excavator widely used in construction, earthmoving, infrastructure, quarrying and material handling applications. The CAT 320D is known for its durability, strong digging performance and reliable operation, making it a popular choice among contractors and equipment owners. Equipped with a Caterpillar mechanical direct-injection diesel engine, the CAT 320D delivers strong power, excellent fuel efficiency and easy maintenance. The engine is designed for reliable performance under heavy working conditions and is well suited for regions where simplicity and service convenience are important. The hydraulic system of the CAT 320D provides smooth and responsive control of the boom, arm and bucket, ensuring efficient digging, lifting and material handling operations. Its reinforced crawler undercarriage offers excellent stability and traction on various job sites, including rough and uneven terrain. With a proven design, practical configuration and strong residual value, the CAT 320D remains one of the most popular used excavators in the 20-ton class. It is ideal for customers seeking a durable, productive and cost-effective construction machine.

Product Information

Brand:
CAT
Model number:
320D
Minimum Order Quantity:
1 Unit
unit:
PCS (Piece/Pieces)
CAT 320D Excavator equipped with Direct Injection Engine:
gasoline direct injection engine
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The Caterpillar CAT 320D is a reliable 20-ton-class hydraulic crawler excavator designed for excavation, earthmoving, road construction, mining, quarrying, infrastructure projects and general material handling applications.

Known for its durability, powerful digging performance and stable operation, the CAT 320D combines a robust structure, efficient hydraulic system and reliable crawler undercarriage to deliver consistent productivity in various working environments.

Equipped with a Caterpillar diesel engine featuring a mechanical direct injection system, the CAT 320D provides strong power output, stable torque performance and excellent reliability. The simple mechanical injection design offers easier maintenance, lower service requirements and strong adaptability to challenging working conditions.

Key Specifications & Component Layout

  • Brand & Model: Caterpillar CAT 320D
  • Machine Category: Hydraulic Crawler Excavator
  • Operating Weight: Approx. 20 Tons
  • Engine Type: Caterpillar Diesel Engine with Mechanical Direct Injection System
  • Rated Power: Approx. 103–110 kW (depending on production year and configuration)
  • Bucket Capacity: Approx. 0.9–1.0 m³
  • Drive System: Hydraulic Crawler Travel System
  • Undercarriage: Heavy-Duty Crawler Structure for Improved Stability and Durability
  • Boom & Arm: Reinforced Heavy-Duty Boom and Arm Assembly
  • Hydraulic System: High-Efficiency Hydraulic System for Smooth Operation
  • Cabin: Enclosed Operator Cab with Comfortable Controls and Good Visibility
  • Attachments: Compatible with Buckets, Hydraulic Breakers, Grapples, Rippers and Other Attachments.

Operational Features & Advantages

Reliable Mechanical Direct Injection Engine

The CAT 320D is equipped with a reliable Caterpillar diesel engine featuring a mechanical direct injection system. Compared with complex electronic systems, the mechanical injection structure offers excellent durability, easy troubleshooting and convenient maintenance, making it highly suitable for areas requiring reliable and practical equipment.

Strong Digging Performance

The combination of powerful engine output, efficient hydraulic performance and durable working equipment provides strong digging force and breakout capability. The CAT 320D performs effectively in excavation, trenching, loading and earthmoving operations.

Efficient Hydraulic System

The advanced hydraulic system ensures smooth and responsive control of the boom, arm and bucket. Optimized hydraulic power distribution helps improve working efficiency while maintaining stable performance during continuous operation.

Durable Crawler Undercarriage

The heavy-duty crawler undercarriage provides excellent traction and stability on uneven, muddy and challenging terrain. Its robust design supports long-term operation in construction sites, mines and earthmoving projects.

Strong & Durable Working Equipment

The reinforced boom, arm and bucket structure are designed for demanding working conditions. Durable components provide reliable digging performance when handling soil, gravel, rock and other construction materials.

Balanced 20-Ton Class Performance

With its practical 20-ton-class configuration, the CAT 320D achieves an excellent balance between digging force, lifting capability, working range and transportation convenience, making it a popular choice for contractors worldwide.

 

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