

Across the globe, small and medium-sized construction and quarrying operations form the backbone of local infrastructure development. For these businesses, efficient rock drilling is often the bottleneck that determines project timelines and profitability. A reliable down-the-hole drill rig has become an indispensable tool for these operations, replacing outdated handheld drilling methods that are slow, labor-intensive and unsafe.
Traditional handheld drills struggle with hard rock formations and extreme weather conditions, leading to low productivity and high operational costs. Modern DTH drilling technology addresses these issues by delivering consistent power, improved safety and significantly higher drilling speeds. This article shares two real-world cases of how our DTH borewell machine helped local businesses overcome their drilling challenges and improve their bottom line.
Down The Hole Drill Rig Parameter:
| Model | YGS100A | YGS153 | YGS180 | YGS300 | YGS350 |
| Total weight | 5.95T | 3.8T | 6.3T | 6.8T | 8T |
| Walking speed | 2.5km/h | 2.5km/h | 2.5km/h | 2.2/3.8km/h | 4km/h 2km/h |
| Diesel tank capacity | 85L | 70L | 85L | 85L | 225L |
| Shipping size | 6500*2100*2400mm | 4640*1980*2260mm | 6600*2110*2500mm | 6600*2220*2600mm | 7600*2350*2800mm |
| Drilling hole diameter | 90-146mm | 83-130mm | 90-146mm | 90-152mm | 90-165mm |
| Power configuration | YCD4R22T-80 | YC2108 33kw/2400rpm | YCD4R22T-80 55kw | YC4DK80-T302 | YC4DK100-T304 73.5kw/2200rpm |
| Highest horizontal hole height | 3.2m | 2.8m | 3.6m | 3.25m | 3.5m |


Down The Hole Drill Rig: 2 Real Cases That Boost Drilling Productivity
Case 1: Limestone Quarry Project
Customer Background & Requirements:
Our first customer operates a family-owned limestone quarry that supplies crushed stone to local construction companies for road base and concrete production. The quarry produces approximately 5,000 tons of crushed stone per month, with regular blasting operations requiring 80-120mm diameter holes drilled to 6-8 meters depth. Before purchasing our equipment, they relied on three handheld pneumatic drills for all their drilling needs. They faced three main challenges: low productivity, high labor costs and frequent breakdowns during the hot summer months. They needed a down-the-hole drill rig that could handle their daily drilling volume, operate reliably in high temperatures, and be easy to operate with their existing staff.
Solution & Customer Feedback:
After evaluating their specific needs and site conditions, we recommended the YGS153 model. This compact rig weighs only 3.8 tons, making it ideal for soft sandy ground conditions. It drills holes from 83mm to 130mm in diameter, perfectly matching their blasting requirements. The 70L diesel tank provides sufficient runtime for a full day of operation without frequent refueling. We provided detailed operation videos and remote guidance, and their team completed the basic setup and familiarization in just one day.
The results have been transformative for their business. Previously, three workers could drill approximately 80-90 meters of holes per day with handheld drills. Now, a single operator using the YGS153 can consistently drill 210-230 meters per day. This has allowed them to reduce their drilling labor force by two people while increasing overall production. The customer also noted that the rig runs smoothly even during the hottest months, with no overheating issues. When comparing the DTH machine price options, they found our rig offered the best balance of performance and affordability.


Case 2: Road Maintenance Project
Customer Background & Requirements:
Our second customer is a civil engineering contractor specializing in local road maintenance and small infrastructure projects. They recently won a contract to upgrade a 5-kilometer stretch of rural road, which required drilling 100-120mm diameter holes for road sign foundations and slope stabilization. The project site had narrow access roads and uneven terrain, making large drilling rigs impractical. The customer had been renting equipment from larger companies, but the high rental costs and scheduling inflexibility were eating into their profit margins. They needed a down-the-hole drill rig that was compact enough to navigate narrow site roads, versatile enough to handle both vertical and angled drilling, and affordable for their business size.
Solution & Customer Feedback:
We recommended the YGS100A model for this project. This rig has a shipping size of 650021002400mm, making it easy to transport between different job sites. It drills holes from 90mm to 146mm in diameter and can reach a maximum horizontal hole height of 3.2 meters, perfect for both foundation and slope drilling. The crawler tracks provide excellent traction on uneven terrain, and the 85L diesel tank supports a full day of continuous operation. The customer’s team completed the setup and training in one day and immediately put the rig to work on the road project.
They reported that the rig’s compact size allowed them to access areas that larger rigs could not reach, eliminating the need for manual drilling in tight spaces. The project was completed two days ahead of schedule, and the customer estimated that they saved over 30% on drilling costs compared to renting equipment. They have since used the rig on three additional projects, including a residential foundation and a drainage system installation.


Versatile Applications Beyond Quarrying and Construction
A down-the-hole drill rig is not limited to just quarry blasting and foundation drilling. Its versatile design makes it suitable for a wide range of applications that are in demand across many regions. Understanding these additional uses can help you maximize the return on your equipment investment and take on more diverse projects. Our down hole drilling equipment is commonly used for:
- Water well drilling for small residential and agricultural water supply projects
- Slope stabilization drilling for retaining walls and hillside reinforcement
- Blasting for road construction, dam building and pipeline trenching
- Pre-split drilling for controlled rock fragmentation in quarries
- Underwater drilling for marine construction and underwater blasting operations


DTH Drilling Rig For Sale – Factory direct sales price
Investing in a high-quality down-the-hole drill rig is one of the most important decisions you can make for your construction or quarrying business. Our rigs are designed to deliver reliable performance and excellent productivity for a wide range of projects. YG offers a complete range of DTH drilling rig models from YGS100A to YGS350, covering drilling diameters from 83mm to 165mm to meet all your project requirements. Whether you need a compact rig for confined sites or a more powerful model for larger projects, we have the right solution for you. Our down hole drilling equipment is built to last and backed by comprehensive technical support.
If you are looking for reliable drilling equipment at a competitive DTH machine price, contact our team today. We will work with you to understand your specific needs and provide a customized solution that fits your budget and requirements.

