The Atlas Copco DHR 6RC 68 Rotation Unit, identified by part number 4350 2663 04, is renowned in the drilling industry for its exceptional performance and reliability. Rockser Inc., a leading manufacturer of high-quality spare parts, ensures that every component they produce for this rotation unit meets or exceeds the original specifications. With a global distribution network, Rockser Inc. provides these critical parts to customers worldwide, ensuring the uninterrupted operation of drilling equipment.

Overview of the Atlas Copco DHR 6RC 68 Rotation Unit

The DHR 6RC 68 Rotation Unit is a key component in Atlas Copco’s extensive lineup of drilling solutions. Engineered to deliver high torque and efficient rotation speeds, this unit is essential for a variety of heavy-duty drilling applications. It is designed to convert hydraulic energy into mechanical rotation effectively, playing a crucial role in maintaining the productivity and precision of drilling operations.

Key Features:

  1. High Performance: Engineered for optimal torque and rotation speed, ensuring efficient and effective drilling operations.
  2. Durability: Built with high-quality materials to withstand demanding conditions and extended usage.
  3. Precision Engineering: Ensures accurate and reliable performance, which is vital for maintaining drilling precision.
  4. Ease of Maintenance: Designed for straightforward maintenance, reducing downtime and operational costs.

Rockser Inc. – Your Trusted Supplier for Atlas Copco DHR 6RC 68 Spare Parts

Rockser Inc. is a reputable supplier of high-quality spare parts for Atlas Copco equipment, including the DHR 6RC 68 Rotation Unit. The company’s dedication to quality and customer satisfaction is reflected in its comprehensive range of products, designed to provide seamless compatibility and superior performance.

Why Choose Rockser Inc.?

  1. Quality Assurance: All spare parts from Rockser Inc. undergo stringent quality control measures to ensure they meet or exceed the original specifications of Atlas Copco parts.
  2. Global Distribution: With an extensive distribution network, Rockser Inc. supplies parts to customers worldwide, ensuring quick delivery and support.
  3. Industry Expertise: Combining years of industry experience with technical expertise, Rockser Inc. produces reliable and efficient spare parts.
  4. Customer Support: Rockser Inc. offers exceptional customer service, providing assistance and guidance to help clients select the right parts and maintain their equipment effectively.

Detailed Specifications of the Atlas Copco DHR 6RC 68 Rotation Unit

The Atlas Copco DHR 6RC 68 Rotation Unit is meticulously designed to meet the rigorous demands of industrial drilling applications. Here are some detailed specifications highlighting its capabilities:

  • Torque Output: Engineered to provide high torque, suitable for heavy-duty drilling tasks.
  • Rotation Speed: Designed for variable speed control, allowing adaptation to different drilling requirements.
  • Material Construction: Constructed with premium materials to ensure durability and long service life.
  • Compatibility: Designed for seamless integration with various Atlas Copco drilling rigs and equipment.
  • Maintenance: Features a user-friendly design that facilitates quick and efficient maintenance and part replacements.

Rockser Inc.’s Commitment to Quality and Innovation

Rockser Inc. is committed to maintaining the highest standards of quality and innovation in the production of spare parts for the Atlas Copco DHR 6RC 68 Rotation Unit. The company employs advanced manufacturing techniques and rigorous testing protocols to ensure every part meets the demanding requirements of industrial drilling operations.

Innovative Manufacturing Processes:

  • Precision Machining: Utilizes state-of-the-art CNC machining to achieve exacting tolerances and superior part quality.
  • Quality Control: Implements comprehensive quality control measures, including material testing and performance validation.
  • Sustainable Practices: Adopts environmentally friendly manufacturing practices to minimize environmental impact and promote sustainability.

Global Distribution and Customer Support

Rockser Inc. prides itself on its ability to deliver high-quality spare parts to customers worldwide. The company’s global distribution network ensures that parts are readily available, reducing downtime and maintaining operational efficiency for drilling operations across various industries.

Comprehensive Customer Support:

  • Technical Assistance: Provides expert technical support to help customers troubleshoot issues and optimize equipment performance.
  • After-Sales Service: Offers reliable after-sales service, including part replacement and maintenance guidance.
  • Training and Resources: Provides training resources to help customers understand the proper use and maintenance of their drilling equipment.


The Atlas Copco DHR 6RC 68 Rotation Unit (Part Number 4350 2663 04) is a vital component for efficient and reliable drilling operations. Rockser Inc. stands out as a trusted provider of high-quality spare parts for this unit, offering products that match or exceed the original specifications. With a commitment to quality, global distribution capabilities, and exceptional customer support, Rockser Inc. ensures that drilling operations around the world can maintain peak performance with minimal downtime.

For more information on Rockser Inc.’s range of spare parts for the Atlas Copco DHR 6RC 68 Rotation Unit, or to place an order, please visit their website or contact their customer service team.

Rockser Inc.: Your Global Source for Atlas Copco DHR 6RC 68 Rotation Unit Parts (Part Number: 4350 2663 04)

Dominate deep-hole and large-diameter surface drilling projects with the Atlas Copco DHR 6RC 68 Rotation Unit and premium replacement parts from Rockser Inc.! This industry-leading hydraulic unit boasts exceptional power and performance for conquering even the toughest drilling tasks. This comprehensive guide explores the DHR 6RC 68 Rotation Unit, the critical role of using high-quality spare parts, and why Rockser Inc. is the ideal partner to keep your demanding drilling operations running smoothly worldwide.

The Atlas Copco DHR 6RC 68 Rotation Unit: A Powerhouse for Extreme Surface Drilling

The DHR 6RC 68 Rotation Unit is a robust and hydraulically driven rotary unit specifically designed to excel in deep-hole and large-diameter surface DTH drilling applications:

  • Quarrying: Efficient blast hole drilling for large-scale quarrying operations in exceptionally deep and hard rock formations.
  • Construction: Foundation drilling for super deep structures or those requiring exceptionally wide bases, anchor hole drilling for extremely deep installations in infrastructure projects, and large-diameter hole drilling for tasks like geothermal well construction reaching significant depths.
  • Surface Mining: Production drilling and pre-splitting applications in large-scale mining operations, particularly those requiring deep blast patterns or extra-large diameter holes for ore extraction.

DHR 6RC 68 Rotation Unit Key Features:

  • Floating Adapter: This unit features a floating adapter design, offering some flexibility and improved shock absorption during operation, potentially reducing stress on other components.
  • Unmatched Torque and Speed: The DHR 6RC 68 delivers industry-leading torque (5100 Nm) and a capable speed (68 rpm) for efficient drilling through tough materials, even when working with extreme depths and large diameters.
  • Hydraulic Power: This hydraulically driven unit provides consistent and powerful operation, allowing for easier integration into various drilling rigs designed for the most heavy-duty applications.
  • API 4” Metzke Long Pin Connection: The floating adapter features an industry-standard API 4” Metzke Long Pin connection for compatibility with a wide range of DTH hammers specifically designed for deep and large-diameter drilling using the robust Metzke thread standard.

Why Use High-Quality Spare Parts for Your DHR 6RC 68 Rotation Unit?

Maintaining peak performance and maximizing the lifespan of your DHR 6RC 68 Rotation Unit relies on using top-tier spare parts. Here’s why opting for lesser quality parts can be detrimental to your deep-hole and large-diameter drilling operations:

  • Reduced Drilling Efficiency and Productivity: Subpar parts can lead to decreased torque and speed, hindering your ability to drill deep and large-diameter holes efficiently, causing significant delays and impacting project budgets.
  • Increased Downtime and Maintenance Costs: Frequent repairs due to failing parts can significantly disrupt your large-scale projects 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, causing extreme delays and impacting project budgets.
  • Compromised Safety Standards: Worn-out or defective parts can create safety hazards for operators working on large-scale drilling projects with powerful machinery, especially when dealing with exceptional depths and large-diameter holes.

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

At Rockser Inc., quality is our priority. That’s why all our DHR 6RC 68 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 6RC 68 Rotation Unit.
  • Constructed from premium materials known for exceptional durability and extended service life, keeping your rotation unit operating flawlessly under the most demanding drilling conditions, even when handling the extreme stress of deep and large-diameter holes.
  • Rigorously tested to guarantee functionality and reliability, so you can focus on achieving your drilling goals in large-scale projects with confidence.

Rockser Inc.: Your One-Stop Shop for DHR 6RC 68 Rotation Unit Spare Parts

We offer a comprehensive selection of OE equivalent spare parts for your DHR 6RC 68 Rotation Unit, including (but not limited to):

  • High-Performance Hydraulic Motors (designed for the extreme torque output required for deep drilling)
  • Heavy-Duty Gears
  • Specialized Seals
  • Bearings
  • Shafts
  • Floating Adapters
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