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

Precision OEM-Grade Rotation Unit for Demanding Underground Operations

Part number 3115173281 is a certified OEM-spec replacement gearbox / rotation unit for the Atlas Copco COP 1838HD+, COP 1838HD, and COP 1838ME rock drills.

Engineered to transmit high torque smoothly from the hydraulic motor to the shank adapter, it ensures stable, low-noise rotation under extreme mining and tunneling conditions.

Manufactured from heat-treated alloy steel, fully interchangeable with the original — no modifications required.

Key Advantages

  • Direct-fit OEM replacement — installs without machining or adaptation
  • Heat-treated alloy steel construction for extended service life in abrasive environments
  • Precision-ground gears ensure smooth, low-noise rotation and minimal wear
  • Validated torque transmission stability under continuous heavy-duty operation
  • 100% compatible with COP 1838HD+, COP 1838HD, and COP 1838ME drilling systems
  • Cost-optimized alternative with full performance parity vs. original equipment

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 rigs operating in high-dust, high-vibration conditions
  • Retrofit and maintenance programs for aging COP 1838 fleets
  • Emergency replacement in remote mine sites requiring fast lead times

Technical Specifications

Part Number3115173281
Compatible ModelsAtlas Copco COP 1838HD+, COP 1838HD, COP 1838ME
TypeGearbox / Rotation Unit / Rotation Chuck
MaterialHeat-treated high-strength alloy steel
ConditionBrand new, factory-tested
Interchangeability100% direct replacement for OEM part

FAQ

Is this gearbox compatible with both COP 1838HD+ and older COP 1838HD models?
Yes — part 3115173281 is fully interchangeable across COP 1838HD+, COP 1838HD, and COP 1838ME models per Atlas Copco’s interchange documentation.
What quality certifications does this gearbox meet?
Manufactured to ISO 9001 standards; each unit undergoes dimensional verification, torque testing, and fit-check before shipment.
What is the typical lead time for international delivery?
Standard stock ships within 1–3 business days; air freight delivery to most regions takes 5–10 days. Express options available upon request.

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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