The Terex RH340 is a behemoth in the world of mining equipment. This hydraulic excavator is designed specifically for large-scale mining operations, offering superior digging power, productivity, and reliability. Let’s dive into the technical data and specifications of this impressive machine.
History and Evolution:
The history and evolution of the Terex RH340 excavator trace a journey of continuous innovation and adaptation, reflecting broader trends in the mining and construction industries towards efficiency, sustainability, and technological sophistication.
Key Milestones
- Early Years (1950s – 1960s): Terex began as a subsidiary of General Motors focused on earthmoving equipment. Early designs were largely focused on scrapers and loaders, not excavators.
- Acquisitions (1970s – 1980s): Terex expanded its reach with crucial acquisitions:
- O&K (Orenstein & Koppel): A German manufacturer with a strong history in hydraulic excavators. This became a core part of Terex’s excavator technology.
- Schaeff: Another German company known for compact excavators and wheeled excavators, adding to Terex’s range.
- RH Series Introduction (1990s): Terex consolidated its excavator lines under the „RH” designation. The numbers reflected approximate operating weights (i.e., RH40 = roughly 40 metric tons).
- Focus on Mining (2000s): As Terex grew, they increasingly focused on large-scale mining equipment. The RH series received larger models optimized for this sector.
- RH340 Introduction (around 2010): The RH340 emerges as a flagship, fitting with Terex’s focus on powerful mining excavators.
RH340 Evolution
The RH340 itself has undergone refinements over the years, primarily focused on:
- Emissions Compliance: Like all heavy equipment, meeting progressively stricter emissions regulations is key (Tier 4 standards, etc.).
- Efficiency: Terex focused on more powerful engines with intelligent hydraulic systems for better fuel economy without sacrificing power.
- Operator Comfort & Technology Upgrades: Modernized cabins, better visibility, and more intuitive controls become standard. Some RH340 models may feature telematics (machine monitoring systems) and even semi-autonomous features.
Where It’s Used
- Primarily Mining: The RH340 is designed as a production excavator for large-scale mining:
- Open-pit Mines: Surface mining of ore, coal, and various bulk minerals.
- Quarries: Excavating stone, aggregates, and other raw materials.
- Large-Scale Construction (Less Common): While possible, the RH340’s size and cost make it overkill for most construction jobs. It might be used for:
- Mass Excavation: Projects requiring HUGE volumes of earth or rock moved quickly.
- Demolition: Bringing down large structures, but specialized demolition attachments would likely be needed.
Materials the Terex RH340 Excels With
- Overburden Removal: The top layer of soil and rock covering valuable mineral deposits is a prime target for the RH340.
- Blasted Rock: After blasting, the RH340 is ideal for loading loosened rock into haul trucks.
- Ore and Coal: Directly excavating and loading the target mineral being mined.
- Hardpacked Earth & Dense Materials: The RH340 has the power to tackle tough soils that would stall smaller excavators.
Why It’s Favored for Mining
- Size and Capacity: Its large bucket and powerful breakout force allow it to move significant volumes of material per load cycle.
- Reach and Digging Depth: Essential for working across wide mining pits and accessing deep deposits.
- Durability: Mining environments are harsh, and the RH340 is built to withstand the wear and tear.
View Full Technical Specifications:
Engine
- Configuration: Cummins QSK 60 or MTU 12V 4000 (depending on region)
- Power: Up to 1,678 horsepower (1251 kW)
- Emissions Compliance: Tier 2 / Stage II or Tier 4 Final / Stage IV (depending on region)
Hydraulics
- Pump Type: Variable displacement axial piston pumps
- Maximum Flow: 2 x 343 gallons per minute (2 x 1300 liters per minute)
- System Pressure: 7,252 psi (500 bar)
Operating Specifications
- Operating Weight: 736,380 lbs – 860,222 lbs (334,000 kg – 390,000 kg) (depending on configuration)
- Bucket Capacity: 23.5 – 30.9 cubic yards (18 – 23.6 cubic meters)
- Maximum Digging Reach: 71 ft (21.6 m)
- Maximum Digging Depth: 31 ft (9.44 m)
Dimensions
- Overall Length: 45 ft (13.7 m)
- Overall Width: 23 ft 11 in (7.3 m)
- Overall Height: 25 ft 9 in (7.8 m)
Features
- Robust Undercarriage: Heavy-duty design for stability and durability in harsh mining environments.
- Spacious and Ergonomic Cab: Excellent visibility, climate control, adjustable controls, and a comfortable operator’s seat
- Advanced Monitoring System: Real-time machine data for operation and maintenance optimization.
- TriPower Boom Geometry: Provides superior breakout force and crowd power.
Advantages
- Exceptional Power and Performance: Delivers high productivity in demanding mining operations.
- Reliability: Designed for extended uptime and lower maintenance costs.
- Versatility: Can handle various mining applications and materials.
- Operator Comfort: Promotes productivity and reduces fatigue.
The Bottom Line
The Terex RH340 hydraulic mining excavator is a powerful workhorse built to handle the toughest mining challenges. Its combination of power, reliability, and advanced features make it a top choice for mining companies seeking maximum productivity and efficiency.
Important Note: Specifications may vary slightly based on model year and configuration. Always consult the manufacturer’s official documentation for the most accurate and up-to-date information.