Terex TS14B Motor Scraper Overview

[MikePhua]

Introduction
The Terex TS14B motor scraper is a robust earthmoving machine designed for efficient loading, hauling, and spreading of soil in large-scale construction and mining projects. Terex Corporation, with over a century of expertise in heavy equipment manufacturing, developed the TS14B to offer reliable performance, improved operator comfort, and innovative hydraulic systems. This model has been widely used worldwide, especially from the late 1970s through the 1990s, with many units still operational today.
Technical Specifications

• Operating Weight: Approximately 26,190 kg (57,800 lbs)
  
• Payload Capacity: Around 21,770 kg (48,000 lbs)
  
• Scraper Bowl Capacity: Approx. 10.7 m³ (14 cubic yards) struck, 12.2 m³ (16 cubic yards) heaped
  
• Engines: Twin Detroit Diesel 4-71N two-cycle 4-cylinder engines
  • Front engine power: 215 kW (288 hp) net
    
  • Rear engine power: 107 kW (144 hp) net
    
• Transmission: Allison CLT3461 PowerShift with integral torque converter and planetary gearing
  
• Speeds: Six forward and one reverse, max speed approx. 37 km/h (23 mph)
  
• Dimensions: Overall length around 12.5 m (41 ft), width ~3 m (10 ft)
  

Hydraulic and Control Systems

• Hydraulics supply rated at 68 US gallons/min (257 liters/min)
  
• System pressure approximately 10,340 kPa (1,500 psi)
  
• Bow operated by interchangeable single-acting cylinders with roller-guided cable
  
• Apron and ejector cylinders are interchangeable, operated by single-stage cylinders
  
• Fingertip servo-assisted hydraulic levers provide smooth, precise operation
  
• Full air-operated drum braking system with automatic emergency application on air pressure loss
  

Cab and Operator Comfort

• Open operator compartment with isolation mounting for reduced vibration and noise
  
• Tilted air suspension seat adjustable for height, tilt, and firmness
  
• Clear, color-coded instrument panel with dual metric and imperial scales for ease of monitoring
  
• Optional soft-mounted enclosed cab equipped with ROPS and FOPS for enhanced safety
  
• Front and rear windshield wipers and washers for improved visibility
  
• Heating and optional air conditioning modules ensure year-round operator comfort
  

Performance Features

• Robust twin-engine setup offers enhanced power distribution and reliability
  
• The six-speed PowerShift transmission allows smooth speed changes under load
  
• Heavy-duty floating axles with single-reduction bevel gears and planetary reduction ensure durability in tough terrain
  
• Non-stop 180-degree turning provides excellent maneuverability for limited workspaces
  
• Versatile scraper bowl design with reversible, four-piece cutting edges for extended service life and adaptability
  
• Weight distribution optimized for stability during hauling and spreading operations
  

Maintenance and Recommendations

• Regular inspection of hydraulic components and brakes critical for safety and efficiency
  
• Scheduled engine maintenance ensures reliable twin engine performance
  
• Monitor tire condition and maintain proper inflation for improved traction and fuel economy
  
• Lubricate pivot points and control linkages to avoid wear and mechanical failure
  
• Employ certified technicians for transmission and hydraulic system servicing
  

User Experiences
An experienced contractor noted that the TS14B’s twin-engine design provided impressive power for challenging haul routes, allowing for consistent cycle times despite difficult terrain. The ergonomic open operator station and intuitive controls reduced operator fatigue during long shifts.
In another case, a road construction company appreciated the TS14B’s bowl versatility, with adjustable cutting edges that minimized soil spillage and maximized payloads, significantly reducing operational costs.
Terminology Glossary

• Scraper Bowl: The container area on a scraper used to load and transport earth materials.
  
• PowerShift Transmission: A type of automatic transmission allowing seamless gear shifting under load.
  
• Roller-Guided Cable: A cable system guiding hydraulic cylinder movement with reduced friction.
  
• ROPS/FOPS: Roll Over Protective Structure and Falling Object Protective Structure, essential safety features.
  
• Single-Acting Cylinder: A hydraulic cylinder that applies force in only one direction.
  

Summary
The Terex TS14B motor scraper remains a workhorse in earthmoving, combining powerful twin engines with advanced hydraulics and operator-friendly design. Its durable construction and comprehensive control systems make it ideal for heavy-duty hauling and spreading tasks in diverse environments. Proper maintenance and understanding of its mechanical and hydraulic systems help sustain its operational efficiency and longevity, ensuring continued productivity on demanding job sites.