Dart 2085 Off-Highway Haul Truck Overview

[MikePhua]

   


Introduction to the Dart 2085
The Dart 2085 is a robust off-highway haul truck designed for heavy-duty applications in mining and construction industries. Renowned for its impressive payload capacity and durability, the Dart 2085 has been a reliable workhorse in challenging terrains.
Key Specifications

• Payload Capacity: 85 tons (77 metric tonnes)
  
• Engine Options:
  • Detroit Diesel 485
    
  • Cummins 470
    
• Transmission: Allison 8000 series, known for its reliability in heavy-duty trucks
  
• Drive System: Tandem rear drive axles with a 9-foot track, utilizing Dart's exclusive triple reduction 500 Series axles
  
• Tire Configuration: 10 tires, each measuring 2.00 x 35 inches, providing enhanced flotation and reduced ground pressure
  
• Gradeability: Capable of hauling its rated 85-ton load up a 16.43% effective grade, outperforming single drive axle trucks in steep conditions
  
• Dimensions:
  • Length: Approximately 40 feet 7 inches
    
  • Width: 15 feet 4 inches
    
  • Height: 14 feet 5 inches
    
  • Weight: Approximately 293,000 lbs
    

Design and Performance Features
The Dart 2085 was engineered to operate efficiently in severe mining conditions, including steep grades and challenging haul roads. Its tandem drive axle configuration enhances traction and stability, making it suitable for muddy and uneven terrains. The truck's design allows it to haul substantial loads without requiring modifications to existing haul roads, offering operational flexibility.
Historical Significance
Introduced in 1980, the Dart 2085 represented a significant advancement in off-highway truck design. It was among the first to feature a tandem drive axle in the 85-ton class, setting a new standard for hauling capacity and performance in its category. The truck's design and components have been proven over millions of operating hours, demonstrating its reliability and effectiveness in demanding environments.
Applications
The Dart 2085 has been predominantly used in coal mining operations, particularly in regions with challenging terrain. Its ability to handle steep grades and heavy loads made it an invaluable asset for transporting materials efficiently and safely.
Conclusion
The Dart 2085 off-highway haul truck stands as a testament to engineering excellence in heavy-duty transportation. Its combination of high payload capacity, advanced drive system, and durable design has made it a preferred choice for industries requiring reliable and efficient hauling solutions.