Comprehensive Overview of the Takeuchi TB135 Mini Excavator

[MikePhua]

The Takeuchi TB135 is a compact yet powerful mini excavator designed to handle a variety of tasks in confined spaces. Manufactured between 2005 and 2009, this model has been widely used in construction, landscaping, and utility projects due to its versatility and performance.
Key Specifications

• Engine: Equipped with a Yanmar 3TNE88-TB engine, the TB135 delivers a rated output of 20.7 kW (27.8 hp) at 2,300 rpm, with a maximum torque of 106.9 Nm (79 lb-ft) at 1,400 rpm.
  
• Operating Weight: Approximately 3,440 kg (7,581 lbs), making it suitable for both residential and commercial applications.
  
• Dimensions:
  • Transport Length: 4.945 meters (16.2 ft)
    
  • Transport Width: 1.63 meters (5.3 ft)
    
  • Transport Height: 2.45 meters (8.0 ft)
    
  • Width to Outside of Tracks: 1.63 meters (5.3 ft)
    
  • Height to Top of Cab: 2.45 meters (8.0 ft)
    
  • Ground Clearance: 0.295 meters (0.97 ft)
    
  • Tail Swing Radius: 1.4 meters (4.6 ft)
    
  • Length of Track on Ground: 1.665 meters (5.5 ft)
    
  • Track Width: 350 mm (13.8 inches)
    
• Hydraulic System:
  • Main Pump Flow: 37.3 L/min (9.85 gpm)
    
  • Auxiliary Flow: 59 L/min (15.6 gpm)
    
  • Hydraulic Pressure: 210 bar (3,045 psi)
    
  • Hydraulic Fluid Capacity: 22.5 L (5.95 gallons)
    
  • Hydraulic System Relief Valve Pressure: 3,000 psi
    
• Performance:
  • Maximum Digging Depth: 3.415 meters (11.2 ft)
    
  • Maximum Reach Along Ground: 5.345 meters (17.5 ft)
    
  • Maximum Vertical Wall Digging Depth: 2.615 meters (8.6 ft)
    
  • Maximum Dump Height: 3.8 meters (12.5 ft)
    
  • Swing Speed: 9.2 rpm
    

Common Issues and Troubleshooting
While the TB135 is known for its reliability, some users have reported specific issues:

• Boom Delay and Lack of Down Pressure: These symptoms often result from hydraulic control valve problems or pilot pressure leaks. Inspecting the main control valve spool for sticking or contamination, checking pilot lines and seals for leaks, and verifying hydraulic fluid levels and quality can help restore proper function.
  
• Engine Starting Difficulties and Oil Leaks: Some operators have experienced challenges with engine starting and oil leaks. It's advisable to ensure the air filter housing is properly secured and to monitor for any signs of wear or damage.
  

Maintenance Tips
To ensure the longevity and optimal performance of the TB135:

• Regular Hydraulic System Maintenance: Change hydraulic filters and fluids at recommended intervals to prevent contamination and maintain system efficiency.
  
• Engine Care: Regularly inspect and replace air and fuel filters, check for oil leaks, and monitor coolant levels to keep the engine running smoothly.
  
• Undercarriage Inspection: Regularly check the tracks for wear and tension, and ensure the undercarriage components are free from debris to maintain stability and mobility.
  
• Electrical System Checks: Inspect wiring and connections for signs of wear or corrosion to prevent electrical failures.
  

Operator Experiences
Operators have shared various experiences with the TB135:

• Versatility: Many appreciate the machine's ability to handle a wide range of attachments, from buckets to augers, enhancing its utility on the job site.
  
• Comfort: The enclosed cab with heating and air conditioning provides a comfortable working environment, even in extreme weather conditions.
  
• Maneuverability: The compact size and skid-steer design allow for excellent maneuverability in confined spaces, making it ideal for urban construction projects.
  

Conclusion
The Takeuchi TB135 stands out as a reliable and versatile mini excavator capable of handling various tasks across different industries. By adhering to regular maintenance schedules and addressing common issues promptly, operators can maximize the machine's lifespan and performance. Its blend of power, agility, and comfort makes it a valuable asset for any construction or landscaping project.