CAT 345 | 45-Ton-Class Large Hydraulic Crawler Excavator

The Caterpillar CAT 345is a powerful 45-ton-class hydraulic crawler excavator designed for demanding construction, earthmoving, infrastructure, quarrying, mining, roadwork, and large-scale excavation applications.

Combining exceptional digging force with reliable hydraulic performance and excellent working stability, the CAT 345 is built to deliver high productivity and dependable performance in challenging job-site conditions.

Key Specifications

• Brand: Caterpillar / CAT
• Model: 345
• Type: 45-Ton-Class Hydraulic Crawler Excavator
• Engine: Cat Diesel Engine
• Operating Weight: Approx. 45,000–48,000 kg, depending on configuration
• Travel Drive: Hydraulic Crawler Drive with Two-Speed Travel
• Undercarriage: Heavy-Duty Crawler Undercarriage
• Cab: Enclosed Operator Cab

Operational Features & Advantages

• Powerful Engine Performance: Powered by a proven Cat diesel engine, the CAT 345 delivers strong and reliable power for demanding excavation, earthmoving, quarrying, infrastructure, road construction, and heavy-duty applications.

• High-Performance Hydraulic System: The hydraulic system provides responsive control and efficient power delivery, allowing smooth and coordinated operation of the boom, arm, and bucket during heavy excavation and material-handling operations.

• Exceptional Digging Capability: The robust boom and arm assembly provides strong digging and breakout force, making the CAT 345 suitable for deep excavation, foundation construction, trenching, loading, quarrying, and large-scale earthmoving projects.

• Excellent Working Stability: The heavy-duty crawler undercarriage provides strong ground contact, traction, and a stable operating platform, helping the machine maintain reliable performance during demanding digging, lifting, and loading operations.

• Heavy-Duty Construction: The boom, arm, main frame, bucket linkage, undercarriage, and other major components are designed for demanding working conditions and continuous heavy-duty operation.

• Comfortable Operator Cab: The enclosed operator cab provides good visibility, ergonomic controls, and a practical working environment, helping operators maintain precise control and productivity during long operating hours.

• Versatile Attachment Compatibility: The CAT 345 can be configured with a variety of attachments, including heavy-duty buckets, hydraulic breakers, rippers, grapples, thumbs, and other specialized tools for different job-site requirements.

• Reliable Travel Performance: The crawler undercarriage provides strong traction and stable travel performance, allowing the CAT 345 to move effectively across construction sites, quarries, earthmoving areas, and uneven working terrain.

• Easy Maintenance: Convenient access to key service points helps simplify daily inspections, lubrication, routine maintenance, and servicing, helping reduce maintenance time and minimize unnecessary downtime.

• High Productivity: With its powerful engine, high-performance hydraulics, strong digging force, excellent stability, and durable construction, the CAT 345 is designed to deliver high productivity in demanding heavy-duty excavation and material-handling operations.

Primary Application Scenarios

• Large-Scale Road Construction: Suitable for major road excavation, roadbed preparation, drainage construction, slope work, trenching, earthmoving, and large infrastructure projects.

• Building & Foundation Construction: Ideal for deep foundation excavation, basement excavation, large-scale site preparation, material loading, grading, and heavy building construction.

• Infrastructure Projects: Well suited for bridge construction, municipal engineering, drainage systems, pipeline installation, utility projects, and other large civil engineering applications.

• Quarry & Mining Applications: Provides strong excavation and material-handling capability for suitable quarry operations, overburden removal, stockpile handling, aggregate handling, and heavy earthmoving.

• Land Development & Site Preparation: Suitable for large-scale land clearing, grading, leveling, pond excavation, site preparation, earthwork, and land development projects.

• Utility & Deep Trenching: Suitable for pipeline installation, deep trenching, water supply projects, drainage construction, sewer systems, and underground utility infrastructure.

• Heavy-Duty Earthmoving: A powerful solution for large-scale excavation, loading, trenching, material handling, slope work, site preparation, and other demanding earthmoving operations.

• Material Handling: With suitable attachments, the CAT 345 can efficiently support loading, stockpile management, material transfer, and other heavy-duty material-handling tasks.