In the demanding fields of mining and construction, the reliability and precision of equipment are critical for operational success. The Atlas Copco DHR 6H 45-2 Rotation Unit, identified by part number 4350 2761 02, stands out for its exceptional performance and durability. Rockser Inc., a leading manufacturer and supplier, produces all spare parts for this rotation unit, ensuring they match the original product’s features and quality. This detailed article explores the technical specifications, applications, and benefits of the DHR 6H 45-2 Rotation Unit, highlighting Rockser Inc.’s role in providing comprehensive global support and maintenance.

Technical Specifications

High Torque Output

The Atlas Copco DHR 6H 45-2 Rotation Unit is designed to deliver high torque output, ensuring efficient rotation of drill strings in various drilling applications. This high torque capability allows for effective drilling in tough rock formations, enhancing productivity and operational efficiency.

Advanced Hydraulic System

The DHR 6H 45-2 features an advanced hydraulic system that optimizes energy transfer and efficiency. This system enhances the rotation unit’s performance, providing smooth and reliable operation even in the most demanding conditions.

Durable Construction

Constructed with high-quality materials, the DHR 6H 45-2 Rotation Unit is built to withstand harsh environments and extensive use. Its durable construction ensures long-term reliability, reducing the need for frequent maintenance and minimizing downtime.

Precision Engineering

Part number 4350 2761 02 signifies the precise engineering and stringent manufacturing standards of the DHR 6H 45-2 Rotation Unit. Each component is meticulously crafted to ensure perfect integration, contributing to the unit’s overall performance and longevity.


Underground Mining

The Atlas Copco DHR 6H 45-2 Rotation Unit is ideal for underground mining operations. Its high torque output and durable construction make it suitable for various underground drilling tasks, ensuring efficient and reliable performance.

Surface Mining

In open-pit mining, the DHR 6H 45-2 Rotation Unit excels in drilling blast holes and other surface drilling applications. Its robust design and advanced hydraulic system ensure consistent performance even in the most challenging surface mining conditions.

Construction Projects

For large-scale construction projects such as tunnel excavation, foundation drilling, and infrastructure development, the DHR 6H 45-2 Rotation Unit provides the necessary power and precision to complete tasks efficiently and effectively.

Geotechnical Drilling

In geotechnical drilling applications, the DHR 6H 45-2 Rotation Unit is used to obtain soil and rock samples. Its precision engineering and high torque output make it a reliable choice for geotechnical investigations.

Rockser Inc.: Your Global Partner for DHR 6H 45-2 Spare Parts

Comprehensive Spare Parts Production

Rockser Inc. specializes in producing all spare parts for the Atlas Copco DHR 6H 45-2 Rotation Unit. Each spare part is manufactured to meet the exact specifications and quality standards of the original product, ensuring seamless integration and performance.

Worldwide Distribution

Rockser Inc. distributes DHR 6H 45-2 Rotation Unit spare parts globally, ensuring that customers can access the parts they need, regardless of their location. This extensive distribution network guarantees timely delivery and support for international clients.

Commitment to Quality

Every spare part produced by Rockser Inc. undergoes rigorous quality control processes to ensure durability and reliability. This commitment to quality ensures that the DHR 6H 45-2 Rotation Unit continues to perform optimally, even after part replacements.

Expert Maintenance and Support

In addition to producing and distributing spare parts, Rockser Inc. offers expert maintenance and repair services for the DHR 6H 45-2 Rotation Unit. Their team of skilled technicians is available to assist with any issues, ensuring minimal downtime and maximum productivity.


Increased Productivity

With its high torque output and advanced hydraulic system, the DHR 6H 45-2 Rotation Unit significantly boosts productivity. Rockser Inc.’s high-quality spare parts and maintenance services ensure that the unit operates at peak performance.

Cost Efficiency

The hydraulic efficiency and durable design of the DHR 6H 45-2 Rotation Unit, combined with Rockser Inc.’s competitively priced spare parts, reduce maintenance costs and operational downtime. This makes it a cost-effective solution for various drilling applications.


Known for its consistent performance, the DHR 6H 45-2 Rotation Unit is a reliable choice for challenging drilling environments. Rockser Inc.’s reliable spare parts and support services further enhance the unit’s dependability.

Ease of Maintenance

The design of the DHR 6H 45-2 Rotation Unit allows for easy access to components, simplifying maintenance tasks and reducing service time. Rockser Inc.’s comprehensive spare parts inventory ensures that any required parts are readily available.


The Atlas Copco DHR 6H 45-2 Rotation Unit, featuring part number 4350 2761 02, is an exceptional choice for professionals in the mining and construction industries. Its advanced technology, robust design, and outstanding performance make it an invaluable asset for any drilling operation. Rockser Inc. enhances the value of this rotation unit by providing high-quality spare parts and global distribution, ensuring that your equipment remains operational and efficient.

Invest in the Atlas Copco DHR 6H 45-2 Rotation Unit and partner with Rockser Inc. for unparalleled performance and support in your drilling operations. For more information and to purchase spare parts, visit Rockser Inc.’s website or contact their sales team today.

Rockser Inc.: Your Reliable Source for Atlas Copco DHR 6H 45-2 Rotation Unit Parts (Part Number: 4350 2761 02)

Ensure peak performance in your down-the-hole (DTH) drilling operations with the Atlas Copco DHR 6H 45-2 Rotation Unit and premium replacement parts from Rockser Inc.! This robust hydraulic rotary unit is designed for various surface drilling applications. This comprehensive guide explores the DHR 6H 45-2 Rotation Unit, the critical role of using high-quality spare parts, and why Rockser Inc. is the ideal partner to keep your drilling projects running smoothly.

The Atlas Copco DHR 6H 45-2 Rotation Unit: Power and Efficiency for Surface DTH Drilling

The DHR 6H 45-2 Rotation Unit is a powerful and hydraulically driven rotary unit engineered for exceptional performance in demanding surface DTH drilling tasks:

  • Quarrying: Efficient blast hole drilling for various rock types.
  • Construction: Foundation drilling, anchor hole drilling, and large-diameter hole drilling for infrastructure projects.
  • Surface Mining: Production drilling and pre-splitting applications.

The DHR 6H 45-2 Features:

  • Fixed Adapter: This unit features a fixed adapter design, offering a strong and stable connection between the rotation unit and the DTH hammer.
  • High Torque and Speed: The DHR 6H 45-2 delivers impressive torque (3000 Nm) and speed (136 rpm) for efficient drilling through tough materials.
  • Hydraulic Power: This hydraulically driven unit provides consistent power and allows for easier integration into various drilling rigs.

Why Use High-Quality Spare Parts for Your DHR 6H 45-2 Rotation Unit?

Maintaining peak performance and maximizing the lifespan of your DHR 6H 45-2 Rotation Unit hinges on using superior spare parts. Here’s why opting for lesser quality parts can be detrimental:

  • Reduced Drilling Efficiency: Subpar parts can lead to decreased torque and speed, ultimately lowering your overall drilling productivity.
  • Increased Downtime and Maintenance Costs: Frequent repairs due to failing parts can significantly disrupt your operations and drive up maintenance costs.
  • Potential Damage to the Rotation Unit: Using incompatible or poorly manufactured parts can cause harm to the unit’s internal components, leading to expensive repairs or even machine failure.

Rockser Inc.: Providing Original Equipment Equivalent (OE Equivalent) Parts

At Rockser Inc., quality is our top priority. That’s why all our DHR 6H 45-2 Rotation Unit spare parts are manufactured to be OE equivalent. This signifies that they are:

  • Engineered with the exact specifications and tolerances as the original Atlas Copco parts, ensuring seamless compatibility and optimal performance with your DHR 6H 45-2 Rotation Unit.
  • Constructed from premium materials known for exceptional durability and extended service life, keeping your rotation unit operating flawlessly under demanding drilling conditions.
  • Rigorously tested to guarantee functionality and reliability, so you can focus on achieving your drilling goals.

Rockser Inc.: Your One-Stop Shop for DHR 6H 45-2 Rotation Unit Spare Parts

We offer a comprehensive selection of OE equivalent spare parts for your DHR 6H 45-2 Rotation Unit, including (but not limited to):

  • Hydraulic Motors
  • Gears
  • Seals
  • Bearings
  • Shafts
  • Filters
  • And More!

Global Reach and Competitive Prices

Rockser Inc. understands the importance of keeping your operations running smoothly, regardless of your location. That’s why we ship our OE equivalent spare parts worldwide. Additionally, we offer competitive pricing on all DHR 6H 45-2 Rotation Unit parts, helping you manage maintenance costs effectively.

Unmatched Customer Service

Our knowledgeable team at Rockser Inc. is dedicated to providing exceptional customer service. We are here to:

  • Answer your inquiries regarding DHR 6H 45-2 Rotation Unit spare parts.
  • Assist you in identifying the correct parts for your specific drilling application.
  • Offer technical support and guidance whenever needed.

Finding the Right Parts for Your DHR 6H 45-2 Rotation Unit

The part number (4350 2761 02) serves as a starting point for identifying the correct spare parts for your DHR 6H 45-2 Rotation Unit. For additional accuracy when browsing our inventory or contacting customer service, it’s helpful to provide your machine’s model and serial number as

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