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For Atlas RD18U Rock Drill, Buffer Piston 3201195404

Precision OEM Buffer Piston for Atlas RD18U — Engineered for Impact Absorption & System Longevity

Original Atlas RD18U buffer piston (Part No. 3201195404) — a critical damping component in hydraulic percussive rock drills. Made from high-strength alloy steel, it absorbs residual impact energy, minimizes vibration transmission, and protects the shank adapter and front head assembly. Ensures operational stability, reduces mechanical stress, and extends service life in demanding underground and surface drilling environments.


Ideal for maintenance teams prioritizing reliability, compatibility, and reduced downtime.

Key Advantages

  • OEM-equivalent design ensures exact fit and function for Atlas RD18U rock drills
  • High-strength alloy steel construction withstands extreme cyclic percussive loads
  • Dampens piston rebound and impact recoil to protect upstream components
  • Reduces system vibration by up to 35% (vs. worn or non-OEM pistons), enhancing operator safety
  • Precision-ground surfaces guarantee consistent performance in high-frequency drilling cycles
  • Direct drop-in replacement — no modification or recalibration required

Applications

  • Underground and open-pit mining operations requiring vibration-sensitive equipment reliability
  • Tunnel boring and civil infrastructure projects with continuous-duty hydraulic percussive drills
  • Quarrying and hard-rock drilling where abrasive conditions accelerate wear on impact systems
  • Drill rig fleet maintenance programs seeking certified OEM-spec spares
  • Aftermarket service centers supporting Atlas Copco RD-series equipment

Technical Specifications

Part Number3201195404
Compatible ModelAtlas RD18U Rock Drill
MaterialHeat-treated high-strength alloy steel (ISO 683-1:2018 compliant)
Hardness (HRC)52–56
Weight1.85 kg ± 0.05 kg
CertificationISO 9001 & ISO 14001 certified manufacturing; traceable batch documentation

FAQ

Is this buffer piston an official Atlas Copco OEM part?
Yes — this is a genuine Atlas Copco-specified component (P/N 3201195404), manufactured to original engineering drawings and material standards.
Will it fit other Atlas drill models besides RD18U?
No — it is engineered exclusively for the RD18U. Cross-compatibility with RD16U, RD20U, or other models is not guaranteed and not recommended.
What is the typical lead time for bulk orders?
Standard lead time is 5–7 business days for in-stock units; custom batches (≥50 pcs) ship within 12–18 days with full QC documentation.
How does this compare to generic aftermarket pistons in terms of lifespan?
Tested to deliver ≥2,400 operating hours under standard load — ~40% longer service life than non-certified alternatives due to superior metallurgy and dimensional accuracy.

Detailed Description

Buffer Piston (Part No. 3201195404) – Suitable for Atlas RD18U Rock Drill

The Buffer Piston, part number 3201195404, is a critical damping component used in the Atlas RD18U rock drill. Its primary function is to absorb residual impact energy and reduce vibration transmission within the drill, ensuring smoother operation and protecting key components such as the shank adapter and front head assembly.

Description

Manufactured from high-strength alloy steel, the buffer piston is engineered to withstand extreme percussive forces and cyclic loads generated during rock drilling. Positioned at the rear or buffer section of the impact mechanism, it acts as a shock absorber that helps control piston rebound and minimizes mechanical stress on the drill housing.

The result is enhanced drill stability, reduced wear, and longer component life, making it essential for high-performance and reliable drilling in demanding applications.

Key Features

  • Part Number: 3201195404

  • Compatible With: Atlas RD18U rock drill

  • Material: High-durability alloy steel

  • Function: Dampens impact recoil and vibration

  • Performance Benefit: Reduces component fatigue and prolongs equipment lifespan

  • Precision Fit: Ensures consistent performance in high-frequency drilling systems

Applications

  • Mining and Tunneling Operations – Where vibration control is critical for operator safety and equipment durability

  • Hydraulic Percussive Drills – Stabilizes the impact system in continuous-duty conditions

  • Heavy-Duty Rock Drilling Environments – Supports extended use under harsh loads and abrasive conditions

Conclusion

The Buffer Piston (3201195404) for the Atlas RD18U rock drill plays a vital role in ensuring smooth, reliable, and long-lasting drill performance. Its rugged construction and vibration-damping function help protect the entire impact system, contributing to lower maintenance costs and improved productivity.

Ensure Drill Uptime & System Integrity

Order certified OEM buffer pistons today — backed by 18-month warranty and technical support from drilling specialists.

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