Home / Rock Drill Accessories / For 1838HD+ Rock Drills, Gearbox, Part Number 3115173281

For 1838HD+ Rock Drills, Gearbox, Part Number 3115173281

Precision OEM-Grade Gearbox for COP 1838HD+ — Engineered for Reliability in Extreme Conditions

Part number 3115173281 is a certified OEM-spec replacement gearbox / rotation unit for the Atlas Copco COP 1838HD+ rock drill. Designed to transmit hydraulic motor torque to the shank adapter with exceptional stability and minimal vibration, it ensures uninterrupted drilling performance in underground mining, tunneling jumbos, and quarry applications.

Manufactured from heat-treated high-strength alloy steel, this rotation unit delivers extended service life, reduced wear, and noise-optimized gear engagement — all without requiring machine modification.

Key Advantages

  • Direct-fit OEM replacement — installs without machining or adaptation
  • Heat-treated alloy steel construction for superior wear resistance and fatigue strength
  • Precision-ground gears ensure smooth, low-noise rotation under high-torque loads
  • Validated compatibility with COP 1838HD+, COP 1838HD, and COP 1838ME models
  • Rigorously tested for dimensional accuracy, torque transmission, and sealing integrity
  • Cost-optimized alternative with full OEM performance and global shipping support

Applications

  • Underground hard-rock mining drilling rigs
  • Tunneling jumbos (e.g., Boomer S2, Epiroc SmartROC)
  • Quarry and civil engineering blast-hole drilling systems
  • Hydraulic rock drill retrofit and maintenance programs
  • Mobile rig fleets requiring rapid, reliable spare part turnaround
  • OEM service centers and authorized repair workshops

Technical Specifications

Part Number3115173281
Compatible ModelsAtlas Copco COP 1838HD+, COP 1838HD, COP 1838ME
FunctionRotation unit / gearbox / rotation chuck
MaterialHeat-treated high-strength alloy steel
ConditionBrand new, factory-tested
Certification StandardOEM-equivalent dimensional & performance specs

FAQ

Is this gearbox fully interchangeable with the original Atlas Copco part?
Yes — it meets exact OEM dimensions, mounting interfaces, torque ratings, and sealing specifications. No modifications required.
What quality assurance is provided before shipment?
Each unit undergoes dimensional inspection, rotational torque testing, and leak-check validation. Full QC documentation available upon request.
What is the typical lead time for standard orders?
In-stock units ship within 1–3 business days; custom or bulk orders deliver in ≤10 days — confirmed at quote stage.
Do you supply technical drawings or installation guidance?
Yes — we provide dimensioned CAD sketches, torque specs, and OEM-recommended installation procedures with every order.

Detailed Description

Atlas Copco COP 1838HD+ Gearbox 3115173281 | High Quality Replacement Rotation Unit

Product Overview

Part No. 3115173281 is a replacement gearbox / rotation unit for Atlas Copco COP 1838HD+ rock drill.

It is used to transmit torque from the hydraulic rotation motor to the shank adapter, ensuring stable and continuous rotation during drilling operations.

Our product is manufactured according to OEM standards and can directly replace the original part without modification.

Quick Details

  • Part Number: 3115173281

  • Product Name: Gearbox / Rotation Unit / Rotation Chuck

  • Machine Model: COP 1838HD+, COP 1838HD, COP 1838ME

  • Type: OEM Replacement / Aftermarket

  • Material: High-strength alloy steel

  • Condition: Brand New

  • Interchangeable: 100% compatible with original part

Key Selling Points

  • ✅ Direct replacement for OEM part (no modification needed)

  • ✅ Stable torque output, smooth rotation performance

  • ✅ High precision gears, low noise and reduced wear

  • ✅ Heat-treated components for longer service life

  • ✅ Suitable for heavy-duty mining and tunneling conditions

  • ✅ Cost-effective alternative to original parts

Quality & Production

  • Strict quality control before shipment

  • Tested for fit and performance

  • Mature production process with stable quality

  • Long-term supply capability

Applications

  • Underground mining drilling rigs

  • Tunneling jumbo (Boomer, etc.)

  • Quarry drilling equipment

  • Hydraulic rock drill systems

Supply Advantage

  • Fast delivery for standard models

  • Flexible MOQ

  • Strong packaging for international shipping

  • Support bulk orders and long-term cooperation

Other Available Parts

We also supply a full range of spare parts for Atlas Copco / Epiroc rock drills, such as:

  • Hydraulic motors

  • Seal kits

  • Shank adapters

  • Pistons and cylinders

  • Rotation parts and housings

Keywords (SEO)

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