Case CX145D SR: Compact Powerhouse for Urban Excavation

[MikePhua]

           

Introduction
The Case CX145D SR is a minimum-swing radius (MSR) crawler excavator designed to deliver substantial digging and lifting capabilities within confined spaces. With an operating weight of 32,100 lbs (14,560 kg) and a 102 hp (76 kW) Tier 4 Final engine, it combines power, efficiency, and maneuverability, making it ideal for urban construction, utilities, and landscaping applications.
Key Specifications

• Operating Weight: 32,100 lbs (14,560 kg)
  
• Engine Power: 102 hp (76 kW)
  
• Max Digging Depth: 18 ft 1 in (5.51 m)
  
• Max Reach: 27 ft 11 in (8.51 m)
  
• Bucket Digging Force: 21,400 lbf (95.2 kN)
  
• Lift Capacity: Up to 21,350 lbs (9,686 kg)
  
• Swing Speed: 11.5 rpm
  
• Travel Speed: 3.5 mph (5.6 km/h)
  
• Ground Pressure: 5.2 psi (0.36 bar)
  

Design and Features
The CX145D SR's short-radius design allows for operation in tight spaces without compromising performance. Its compact counterweight and modified boom placement enhance maneuverability, making it suitable for work along roadsides and in urban environments. The machine's hydraulics are load-sensing, providing efficient power delivery and responsive control.
Performance and Productivity
Equipped with a 102 hp engine, the CX145D SR offers impressive digging and lifting capabilities. The bucket digging force reaches up to 21,400 lbf (95.2 kN), enabling efficient material handling. The lift capacity of up to 21,350 lbs (9,686 kg) allows for the handling of heavy loads, making it versatile for various tasks. The machine's swing speed of 11.5 rpm and travel speed of 3.5 mph (5.6 km/h) contribute to its overall productivity.
Maintenance and Serviceability
Regular maintenance is crucial for ensuring the longevity and optimal performance of the CX145D SR. Common maintenance tasks include:

• Engine Maintenance: Regularly check and replace engine oil and filters.
  
• Hydraulic System: Monitor hydraulic fluid levels and inspect for leaks.
  
• Undercarriage: Inspect tracks and rollers for wear and proper tension.
  
• Cooling System: Clean radiators and ensure proper coolant levels.
  

Adhering to the manufacturer's maintenance schedule and using genuine parts can help prevent common issues such as engine overheating, stalling, or hydraulic system failures.
Real-World Applications
The CX145D SR is utilized in various applications, including:

• Urban Construction: Ideal for projects in confined spaces where maneuverability is essential.
  
• Utilities: Suitable for trenching and installing utilities in urban environments.
  
• Landscaping: Efficient for grading and material handling in landscaping projects.
  
• Road and Bridge Work: Effective for excavation tasks in road and bridge construction.
  

Conclusion
The Case CX145D SR crawler excavator is a compact yet powerful machine designed to meet the demands of urban construction and other confined-space applications. Its combination of impressive specifications, efficient hydraulics, and maneuverability makes it a valuable asset for contractors seeking versatility and performance in their equipment.
Note: For specific model details and configurations, refer to the manufacturer's specifications or consult with a Case dealer.