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Bobcat T650 Compact Track Loader: Comprehensive Guide to Performance, Maintenance, and Troubleshooting
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The Bobcat T650 Compact Track Loader is a versatile and powerful machine designed for various applications, from construction and landscaping to agriculture and snow removal. With its robust features and compact size, it has become a popular choice among operators seeking efficiency and reliability.

Key Specifications
  • Engine Power: 74.3 hp (55.4 kW)
  • Rated Operating Capacity (ISO): 2,570 lbs (1,165 kg)
  • Operating Weight: 9,440 lbs (4,280 kg)
  • Tipping Load: 7,343 lbs (3,330 kg)
  • Travel Speed: 6.6 mph (10.6 km/h) standard; 10.7 mph (17.2 km/h) with optional two-speed drive
  • Ground Pressure: 5.8 psi (40.1 kPa)
  • Hydraulic System Relief Pressure: 3,500 psi (24.1 MPa)
  • Auxiliary Hydraulic Flow: 23 gpm (87 l/min) standard; 30.5 gpm (115 l/min) with optional high-flow hydraulics
  • Fuel Tank Capacity: 27.2 gallons (103.1 liters)
  • Dimensions:
    • Length: 136.8 inches (3,478 mm)
    • Width: 72.9 inches (1,850 mm)
    • Height: 81.3 inches (2,064 mm)
    • Track Width: 12.6 inches (320 mm)
    • Track Length on Ground: 57.7 inches (1,465 mm)

Common Issues and Troubleshooting
  1. Hydraulic Performance Degradation
    Some operators have reported a gradual loss of hydraulic power after extended use. This can manifest as sluggish bucket movements or reduced lifting capacity. Potential causes include:
    • Hydraulic Fluid Contamination: Debris or water in the fluid can impair pump efficiency.
    • Clogged Filters: Dirty filters restrict fluid flow, leading to pressure drops.
    • Pump Wear: Over time, hydraulic pumps can lose efficiency due to internal wear.
    Solution: Regularly inspect and replace hydraulic filters, ensure fluid cleanliness, and monitor system pressure.
  2. Fuel System Issues
    Instances of the engine stalling at full throttle have been reported, often accompanied by error codes such as E00157-21 or E001076-03. This typically indicates fuel delivery problems.
    Solution: Inspect the fuel metering valve, fuel filter, and injectors for cleanliness and proper function. Ensure that quality fuel is used to prevent clogging.
  3. Track Loosening
    Over time, the tracks may loosen due to wear or improper tensioning. Loose tracks can lead to inefficient operation and increased wear on other components.
    Solution: Regularly check track tension and adjust as necessary to maintain optimal performance.
  4. Electrical System Faults
    Electrical issues, such as faulty sensors or wiring, can cause erratic machine behavior or failure to start.
    Solution: Inspect the wiring harness for damage or corrosion, check sensor connections, and ensure proper voltage supply to the control module.

Maintenance Tips
  • Regular Oil Changes: Change engine oil and filters at manufacturer-recommended intervals to ensure engine longevity.
  • Hydraulic System Checks: Monitor hydraulic fluid levels and quality; replace filters as needed.
  • Track Maintenance: Inspect tracks for wear and proper tension; replace or adjust as necessary.
  • Cooling System Care: Check coolant levels and condition; clean radiator screens to prevent overheating.
  • Battery Maintenance: Inspect battery terminals for corrosion; ensure tight connections.

Real-World Example
A contractor in Ohio reported a significant drop in hydraulic performance during a large landscaping project. After troubleshooting, it was found that the hydraulic fluid had become contaminated with debris, leading to pump inefficiency. By replacing the fluid and cleaning the system, the machine's performance was restored, allowing the project to proceed without further delays.

Conclusion
The Bobcat T650 Compact Track Loader is a reliable and efficient machine suitable for a variety of tasks. By understanding its specifications, recognizing common issues, and adhering to regular maintenance practices, operators can ensure optimal performance and longevity of the equipment.
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