Coal Blast Hole Drill 1750 – Economical, Semi-Automatic Rig for Coal Mining Operations

Use Cases

The Coal Blast Hole Drill 1750 is designed specifically for efficient, low-cost blast hole drilling in coal mining environments. It is ideal for:

• Blast hole drilling in coal seams
• Sites requiring no-air drilling to reduce dust
• Mines needing simple, reliable rigs with low maintenance costs
• Operations using Komatsu PC 300-7 carriers and mine-site service teams
• Contractors seeking semi-automatic controls for easy operator training
• Harsh mining conditions where mechanical simplicity is an advantage

If your operation needs a durable, economical blast hole rig that integrates smoothly into existing coal mine workflows, this model is built for that purpose.

Overview

A leading coal mining contractor required a blast hole drill capable of:

• Drilling 6” blast holes without air
• Operating reliably in tough coal mine environments
• Being simple enough for operators with limited mechanical knowledge
• Integrating with existing Komatsu PC 300-7 carriers and service infrastructure

The solution was the Coal Blast Hole Drill 1750, equipped with an H24 mast and mounted on a Komatsu PC 300-7.
This configuration combines:

• Mechanical simplicity
• Reliable, dust-free drilling
• Semi-automatic controls
• Low operating and maintenance costs

It is a proven and practical choice for coal mines that require dependable, efficient blast hole drilling.

Key Capabilities

• Purpose-built for coal seam blast hole drilling
• No-air drilling reduces dust and operating cost
• Semi-automatic controls for fast operator onboarding
• Simple mechanical systems designed for heavy-duty mine conditions
• Fully compatible with Komatsu PC 300-7 carriers
• Economical to run and maintain
• Versatile design supports diamond drilling and auger drilling when needed

Technical Specifications

Drilling Capacity

• Blast Holes: 6 m (6” auger hole), single pass
• Diamond Drilling: 75 m (N-size)
• Auger Drilling: 15 m (4”)

Carrier

• Komatsu PC 300-7
• Highly reliable, widely supported, easy to maintain onsite

Design Features

• H24 mast assembly
• Semi-automatic operation
• Robust mechanical design for coal environments
• Low-cost, dust-free drilling system

Operational Advantages

The Coal Blast Hole Drill 1750 provides clear benefits to mining contractors:

• Lower operating costs than air-driven blast hole rigs
• Simple controls reduce training time and operator errors
• Easy integration into existing Komatsu fleets
• Rugged design ensures reliable performance in coal environments
• Minimal spare parts required due to simple mechanical design
• Increased productivity through semi-automatic operation

Case Study: Improving Coal Mine Blast Hole Efficiency

A coal mining contractor faced several challenges:

• Need for blast hole drilling without compressed air
• Requirement for a simple, operator-friendly system
• Preference for a rig compatible with existing Komatsu service teams

The Coal Blast Hole Drill 1750 delivered all of these benefits.

Results:

• Zero-dust blast hole drilling with no air requirements
• Operators quickly became proficient with minimal training
• Maintenance handled seamlessly by site teams already servicing Komatsu equipment
• Improved drilling efficiency and reduced cost per hole

This rig became a valuable asset in their production drilling fleet.

Why Contractors Choose the Coal Blast Hole Drill 1750

This model is trusted across coal mining operations because it offers:

• Reliability in harsh conditions
• Economical operation without air systems
• Ease of training with semi-automatic controls
• Compatibility with Komatsu carriers
• Low maintenance requirements
• Strong performance on blast hole and secondary drilling tasks

For mines seeking a dependable, low-cost blast hole drilling solution, the Coal Blast Hole Drill 1750 is a proven and practical choice.

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