Log Champ LC550 Swing Yarder: A Comprehensive Overview

[MikePhua]

The Log Champ LC550 is a state-of-the-art swing yarder designed for steep slope logging, offering exceptional performance, durability, and operator comfort. Manufactured by T-MAR Industries in British Columbia, Canada, this machine has gained popularity worldwide for its innovative features and efficiency in challenging terrains.

Engine and Drivetrain

• Engine: Caterpillar C9.3B, 375 horsepower, Tier 4 Final compliant
  
• Transmission: Caterpillar CX28 with torque converter lockup
  
• Drivetrain: L&S planetary drive with 5 forward speeds and 2-speed motors
  
• Swing Torque: 103,000 ft-lbs
  
• Final Drives: L&S planetary with 2-speed motors
  

The LC550's drivetrain ensures smooth operation and efficient power delivery, even on the most challenging slopes.

Winch System

• Main Drum Capacity: 1,500 feet of 3/4" swaged rope
  
• Haulback Drum Capacity: 3,100 feet
  
• Strawline Drum Capacity: 4,500 feet
  
• Line Pull:
  • Main Drum: 70,000 lbs
    
  • Haulback Drum: 67,000 lbs
    
  • Strawline Drum: 15,000 lbs
    
• Drum Arrangement: Side-by-side with large diameter drums
  
• Drive: Efficient right-angle drive eliminating the need for a chain case
  
• Braking: Regenerative braking in both directions
  

The winch system's design minimizes maintenance and enhances operational efficiency.

Hydraulic System

• Hydraulic Pumps: Dual piston pumps providing flow for travel, swing, boom hoist, and guylines
  
• Cooling System:
  • Variable speed hydraulic auto-reversing cooling fan
    
  • Hydraulic constant speed cooling pump
    
• Air Compressor: Hydraulic 60 CFM rotary vane air compressor
  

The hydraulic system's design ensures optimal performance and reliability, even under demanding conditions.

Cab and Controls

• Cab Design: Rear-entry forestry-style cab with a tall front window for excellent uphill and downhill visibility
  
• Control System: Parker IQAN electronic control system with electronic joystick controls
  
• Display: Touchscreen gauge cluster with on-screen diagnostics
  
• Winch Control: Electric over hydraulic/air for smooth, tight winch control
  
• Safety Features: Proper safety lockout disables all controls except the brakes
  
• Proximity Alert: On-screen distance readout with audible proximity alert
  

The cab's design prioritizes operator comfort and safety, reducing fatigue during long shifts.

Transportation and Mobility

• Shipping Weight: 105,000 lbs
  
• Folded Dimensions: 12'6" wide x 11'6" tall
  
• Transport: Easily transported on a single flatbed due to the integrated boom/gantry that lowers and folds and a hydraulic tilt cab
  

The LC550's compact design facilitates efficient transportation between job sites.

Maintenance and Durability
The LC550's design emphasizes ease of maintenance and durability:

• Winch Components: Aerospace-quality heat-treated alloy gears for maximum efficiency and durability
  
• Drive Components: Splined shafts for easy maintenance
  
• Cooling System: Variable speed hydraulic auto-reversing cooling fan and hydraulic constant speed cooling pump for efficient heat dissipation
  

These features contribute to reduced downtime and extended service life.

Operator Experiences and Feedback
Operators have reported high satisfaction with the LC550's performance and comfort. The machine's ergonomic controls and visibility enhance operational efficiency. However, some have noted the high initial investment and financing challenges as potential drawbacks.

Conclusion
The Log Champ LC550 is a cutting-edge swing yarder that combines power, efficiency, and operator comfort. Its innovative design and features make it a valuable asset for steep slope logging operations. While the initial investment may be significant, the LC550's performance and durability can lead to long-term cost savings and increased productivity.