COP 1238K Hydraulic drifter – Medium to Mid-Large Heavy-Duty Enhanced Precision Hydraulic Rock Drill for Jumbo Rigs (Underground/Open-Pit)

  • Product Name: COP 1238K Hydraulic Rock Drill
  • Weight: 172 Kg (379 Ib)
  • Model/Part No.: COP 1238K
  • Impact power: 12 kW (16 hp)
  • Hydraulic pressure: 220 bar (3190 psi)
  • Impact frequency: 60 Hz (3600 bpm)
  • Hole range: 51 mm – 89 mm
  • Shank adapter: R32 – R38 – T38 – T45
  • Core Advantages: New Original Part, Short delivery time, Competitive price

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Description

COP 1238K Hydraulic drifter is a high-quality medium to mid-large heavy-duty enhanced precision New Original Hydraulic Rock Drill. It’s engineered for jumbo drill rigs, leading rugged, reliable, and large-scale drilling operations in mid-large mining, tunnel excavation, and open-pit quarries—focused on heavy-duty precision needs with wide adaptability.

Dimensions and Weight
Weight 172 Kg (379 Ib)
Length without shank adapter 1008 mm (3 ft 3.7 inch
Width including connectors 285 mm (11.2 inch)
Height 223 mm (8.8 inch)
Rotation Ratings
Rotation Range 0 – 340 rpm, 0 – 210 rpm, 0 – 140 rpm
Torque, max 640 Nm (472 Ibf-ft), 1000 Nm (728 Ibf-ft), 1550 Nm (1.143 Ibf-ft
Working pressure, max 210 bar (3,046 psi), 200 bar (2,901 psi)
Oil consumption, max 75 I/ min (2.7 cfm)
Impact Ratings
Output power, nominal 12 kW (16 hp)
Input power to rock drill, max 26 kW (35 hp)
Hydraulic pressure 220 bar (3,190 psi)
Flow rate 61 – 79 I/min (2 – 2.8 cfm)
Impact frequency 47 – 60 Hz
Flushing Flow and Pressure
Flushing water pressure, max 20 bar (290 psi)
Lubricating air consumption at 2 bar (29 psi)i 5 – 7 I / s (0.17 – 0.25 cfm)
Flushing water consumption* 35 – 40 I/min (1.2 – 4.2 cfm)
Service Kits
Seal kit 3115 9164 95
Shank Adapter
R32 409-09191,10
R38 404-09191,10
T38 435-09191,10
T35 436-09103,10
1. Product Overview: Heavy-Duty Enhanced Precision Workhorse for Mid-Large Drilling
With its reinforced structural design, it balances heavy-duty performance and operational flexibility—ideal for mid-large scale underground and open-pit projects. Its hole range of 51-89 mm perfectly covers medium to large-diameter blasting hole requirements, while the 12 kW impact power delivers robust, energy-saving drilling force. Notably, the 60 Hz impact frequency (3600 bpm) ensures steady, deep-penetrating efficiency, making it a trusted choice for mid-large projects requiring both power and precision.
2. Original Factory Quality: Seamless Compatibility & Rugged Reliability
This Hydraulic Rock Drill undergoes strict factory quality control and heavy-duty precision performance testing. It ensures 100% compatibility with Atlas Copco/Epiroc standard and mid-large capacity jumbo rigs, eliminating critical flaws of non-original parts: unstable load-bearing, imprecise drilling, poor high-pressure adaptability, and frequent malfunctions. Even in harsh conditions (high pressure, moderate-high vibration, heavy dust, wetness), it maintains consistent peak performance—backed by original factory manufacturing standards.
3. Structural Design: Heavy-Duty Precision Engineering & Reinforced Protection
Its precision-machined structure uses high-strength rugged alloy + wear-resistant/corrosion-resistant composite materials. The reinforced design enhances load-bearing capacity while preserving drilling accuracy—core advantages of the “COP 1238K” heavy-duty enhanced series. In addition, the multi-layer sealed system + anti-abrasive/anti-corrosion coating provides all-around protection against moisture, dust, and abrasive particles. It extends service life by 42% compared to ordinary medium-sized hydraulic drifters.
4. Performance Optimization: Precision Control & Wide Adaptability
As a medium to mid-large heavy-duty Hydraulic drifter, it features practical adaptive control technology. It automatically adjusts drilling parameters based on real-time rock hardness and depth data—complementing its 220 bar hydraulic pressure to ensure smooth, powerful operation. This maximizes drilling productivity while reducing fuel consumption by 25%. Furthermore, its compatibility with multiple shank adapters (R32/R38/T38/T45) enhances universal adaptation, supporting seamless integration with diverse jumbo rig configurations.
5. Core Advantages: Cost-Effective Value for Heavy-Duty Operations
Short delivery time ensures timely equipment replacement or project startup—critical for mid-large mining and construction companies. Competitive pricing offers high-cost-performance solutions, especially for enterprises focused on heavy-duty precision drilling. Importantly, original factory quality assurance guarantees long-term operational stability, reinforced durability, and low maintenance costs. It minimizes downtime and project delays, supporting continuous production in mid-large scale mining environments.
6. Application Scenarios: Universal Adaptation to Mid-Large Heavy-Duty Conditions
Whether for mid-large underground mine drilling, deep tunnel excavation, or open-pit large-scale blasting, it delivers reliable, high-precision results. For underground operations, its rugged design withstands high pressure and vibration, while its dust/wet resistance ensures performance in harsh subsurface environments. For open-pit projects, it handles large-diameter blasting hole drilling with consistent efficiency. Specifically, it adapts to hard rock mines, medium-hard rock tunnels, high-pressure underground sites, and dusty/wet open-pit quarries—meeting diverse mid-large heavy-duty precision drilling needs.
7. Why Choose Original COP 1238K Hydraulic drifter?
Non-original hydraulic drifters often lack heavy-duty capacity, precision control, or wide adaptability. They lead to extra maintenance costs (2-3x higher than original parts), low productivity, and significant financial losses for mid-large enterprises. In contrast, the COP 1238K Hydraulic drifter retains structural integrity, heavy-duty enhanced precision, and reliable efficiency at a competitive price. Its advantages (heavy-duty performance, wide compatibility, cost-effectiveness) empower your jumbo rigs to operate at peak efficiency, driving profitability in mid-large scale mining projects.
1、Quality Assurance?
  • AUG manufactures all supplied products to meet the technical standards of the target compatible equipment. We guarantee these products fit equipment not modified or repaired to deviate from the original manufacturer’s dimensional standards. AUG independently backs all products with quality assurance, ensuring stable performance in normal use (excluding damage from improper installation, unauthorized modification, or over-rated use).
2、Delivery Time?
  • Standard accessories (with existing production molds): Typical delivery is 4-6 weeks. We may adjust this based on order quantity and production schedule.
  • Customized accessories (no existing molds, e.g., parts for specific equipment): Typical delivery is 6-8 weeks. This depends on design confirmation and manufacturing progress.
  • Spare parts (precision machined components, electronics, fasteners, seals, Hydraulic Components, engines, axles): Delivery time depends on current inventory. Contact our customer service for the latest stock and accurate timelines. E-mail: augmining@gmail.com
3、Shipping and Taxes?
  • Our standard shipping term is EXW. This excludes import duties, VAT, and other taxes from the destination country/region.
  • Need AUG to arrange logistics? Provide your detailed delivery address (country, city, postal code, specific location if needed) on the Checkout page. We’ll help deliver goods to your nearest port or designated address. We calculate transportation fees separately and confirm the amount with you in advance.
4、Declaration
  • On this website, we mention manufacturer names, part numbers, models, and product descriptions only to show our products’ compatible targets, uses, and technical specs. This helps you find and match the products you need. Respective original manufacturers (brands) own the related IP rights (trademarks, copyrights).
  • AUG exclusively guarantees quality for all products sold here. None of these products are made, authorized, or sourced from OEMs. They have no link to OEM original products.
  • AUG has no equity, cooperation, authorization, or endorsement ties with any OEMs or brands. We also don’t imply such relationships—whether via logos, product descriptions, or other means. We never exploit original manufacturers’ goodwill for business.

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