Overview:

The Cat 309 CR Variable Angle Boom (VAB) Mini Excavator with a Long Undercarriage is engineered to deliver enhanced performance and versatility in a compact design. The Variable Angle Boom provides maximum linkage flexibility, allowing for precise operation in confined spaces. The extended undercarriage enhances stability, making it suitable for various applications, including construction, landscaping, and utility projects.

Technical Specifications:

• Engine: Cat C3.3B​Net Power: 69.5 hp (51.8 kW)​
• Operating Weight: 21,477 lb (9,740 kg)
• Maximum Digging Depth: 150.2 in (3,815 mm)​
• Maximum Reach at Ground Level: 248 in (6,300 mm)​
• Width: 97.2 in (2,470 mm)​
• Height: 100 in (2,541 mm)
• ​Fuel Tank Capacity: 39 gal (147 L)

Advantages:

✅Enhanced Stability: The long undercarriage provides improved balance and stability, especially when operating on uneven terrain.​

✅Variable Angle Boom: Allows for greater flexibility in positioning the boom, enabling precise work in confined spaces and improving overall versatility.​

✅Operator Comfort: The sealed and pressurized cab is equipped with an improved air conditioning system, adjustable wrist rests, and a suspension seat to help keep operators comfortable throughout the workday.​

✅Fuel Efficiency: Equipped with features such as auto idle, auto engine shutdown, and efficient hydraulics with a variable displacement pump, the Cat Mini Excavator is designed to reduce operating costs.​

Disadvantages:

🔴Urban Construction: Ideal for projects in confined urban spaces where larger equipment cannot operate efficiently.​

🔴Landscaping: Suitable for tasks such as digging garden beds, installing irrigation systems, and light grading.​

🔴Utility Work: Effective for small-scale trenching and pipe installation in residential and commercial areas.

Price & Competitors:

Price: Approximately $110,000 to $120,000 USD, depending on configuration and attachments. Prices may vary based on dealer pricing and regional factors.

Top Competitors:

• Bobcat E85: Offers similar size and performance with advanced hydraulic systems.​
• Kubota KX080-4: Known for its reliability and smooth hydraulic controls.​
• John Deere 85G: Features a zero-tail-swing design, allowing for better maneuverability in tight spaces.

Final Thoughts:

The Cat 309 CR VAB Mini Excavator with Long Undercarriage is a reliable and efficient choice for contractors and landscapers needing a compact machine capable of performing various tasks. Its versatility, fuel efficiency, and ease of operation make it a valuable asset for smaller projects and confined work areas. Its competitive pricing and the backing of Caterpillar’s extensive dealer network further enhance its appeal.