Limestone quarrying in Nigeria involves hard rock, blasting preparation, and movement across open working areas. An air track drilling machine uses compressed air to drive its impact mechanism. Crawler tracks carry the rig between drilling points, including areas where rain leaves unpaved quarry roads soft and uneven.
In 2026, Chinedu Okafor, a quarry contractor in Ogun State, ordered several YG-300 drilling rigs from YG Machinery. His team needed additional equipment for limestone blasting. The purchase also involved practical questions about compressor output, drill pipe supply, and replacement parts for Nigeria shipment.
The contractor selected the YG-300 for quarry drilling. The following specifications and project details explain the equipment arrangement.
YG-300 Air Track Drilling Machine Specifications
| Item | YG-300 |
| Max Drilling Depth | 300m |
| Drilling Diameter | 90–315mm |
| Working Air Pressure | 1.7–3.0MPa |
| Air Consumption | 17–35m³/min |
| Drill Pipe | 3m / 6m |
| Drill Pipe Diameter | 76/89mm |
| Axial Pressure | 8T |
| Lifting Force | 17T |
| Maximum Torque | 7200–8500Nm |
| Rotation Speed | 50–115rpm |
| Machine Weight | 7.5T |
| Engine Power | 85kW |
Quarry Conditions and Air Track Drilling Machine Requirements
Chinedu Okafor’s quarry expansion involved limestone drilling across separate work areas. Rain affected access roads, particularly where trucks and quarry equipment passed over unpaved ground. Mud accumulated near working areas, and the crew had to avoid moving heavy equipment through unsuitable sections.
The contractor needed to prepare blasting holes without sending every rig through the same access route. He ordered several YG-300 units for different drilling areas.
The purchase also involved the air system. A compressor with insufficient output could lose pressure when drilling demand increased. Before shipment, the customer discussed working pressure and air consumption with YG Machinery.
For the quarry’s drilling plan, the team reviewed hole diameter, drill pipe options, and the equipment’s maximum depth. These specifications helped define the order, while the compressor arrangement remained a separate part of site preparation.
Chinedu Okafor Orders YG-300 Drilling Rigs
Chinedu Okafor selected the YG-300 for limestone quarry work in Ogun State. The order covered several rigs rather than a single unit for the entire operation.
The crawler chassis addressed movement between quarry areas. After rainfall, the crew could encounter muddy sections and uneven ground along access routes. The contractor still needed to assess ground conditions before moving each rig, particularly near soft edges or recently disturbed material.
Drilling requirements also shaped the configuration. The YG-300 accepts 3 m and 6 m drill pipes with listed diameters of 76 mm and 89 mm. The customer reviewed these options alongside the planned hole diameter and available compressor output.
The order discussion covered equipment configuration, air requirements, and spare parts. These details mattered because a drilling unit could remain idle if the site lacked a replacement component or suitable air supply.
Feedback From the Customer in Nigeria
Chinedu Okafor shared this feedback during equipment discussions:
“Since putting the YG-300 Air Track Drilling Machines into operation at our limestone quarry in Nigeria, our team has achieved a daily drilling output of around 180–220 meters per machine under normal working conditions. The machines handle hard limestone well, and the crawler system moves steadily across uneven quarry ground. Compared with our previous equipment, drilling efficiency has improved by approximately 25%, allowing us to prepare blasting holes more quickly and keep quarry operations on schedule. We are satisfied with the machines’ performance and the technical support from YG Machinery.”
Air Track Drilling Machine Applications in Nigeria
Limestone Quarry Blasting
Limestone quarries use blasting holes to break rock for crushing and processing. A quarry blasting drilling rig in Nigeria needs to match the rock conditions, hole layout, and planned blasting work.
The YG-300 has a listed drilling diameter of 90–315 mm and accepts 3 m or 6 m drill pipes. These figures give quarry contractors a starting point for reviewing hole size and drilling configuration. Actual hole depth and daily drilling output require site records and a defined blasting plan.
Road Construction and Rock Excavation
Road construction in rocky areas often requires drilling before excavation or blasting. Contractors use pneumatic drilling equipment to prepare holes in hard rock where excavators alone cannot remove material efficiently.
Water well projects use different equipment. A truck mounted water well drilling rig travels between separate well sites on its truck chassis. An Air Track Drilling Machine handles rock drilling in quarries, mines, and construction areas.
Many buyers also ask about spare parts lead time for Nigeria shipment. A worn drilling component can stop work while the contractor waits for a replacement. Buyers often discuss wear parts, packing, and shipment timing before placing an order.
For this quarry purchase, the customer requested a spare-parts list before shipment so his team could identify items for local stock. The list also gives the purchasing team a basis for discussing replacement components and shipping arrangements.
Quarry Drilling and Maintenance
Quarry work involves repeated hole preparation, drill pipe changes, and inspection of components exposed to dust and abrasive rock. Maintenance planning needs to account for parts that wear during drilling.
Contractors searching for an air track drilling machine for sale in Nigeria often review drilling depth, hole diameter, air consumption, and spare-part availability together.
The YG-300’s listed specifications cover the machine’s operating range. Compressor output, drilling tools, and replacement components remain part of the contractor’s site arrangement.
Air Track Drilling Machine Price and Factory Supply
The YG-300 rock drill machine price varies with configuration, order quantity, drill pipe requirements, and shipping destination. Spare parts and compressor arrangements also affect the quotation.
YG Machinery manufactures drilling equipment and supplies directly from its factory. Buyers in Nigeria can discuss:
- YG-300 configuration and drilling specifications
- Drill pipe length and diameter
- Compressor output and working pressure
- Wear parts and replacement components
- Export documents and shipping arrangements
- Technical information before equipment operation
Equipment shipped to Nigeria may require product and import documentation for customs and regulatory procedures. Buyers can discuss applicable SONCAP requirements with the supplier and their Nigerian import agent before shipment.
YG Machinery Factory Production and Export Support
YG Machinery manufactures construction and drilling equipment for overseas projects. For the Nigeria order, factory handled equipment preparation and communication about the quarry’s drilling requirements.
The order discussion covered air consumption, working pressure, drill pipe options, and spare-parts information. These details gave the customer a list of items to review with his compressor supplier and maintenance team before shipment.
YG Machinery has decades of manufacturing experience and supplies equipment to customers in more than 120 countries. Its export services include factory-direct quotations, configuration discussions, spare-parts coordination, technical documents, and remote assistance.
Contractors looking for an Air Track Drilling Machine for sale in Nigeria can send their drilling depth, hole diameter, compressor details, order quantity, and spare-parts requirements to YG Machinery. Our factory can prepare a YG-300 quotation based on the requested configuration and shipping destination within 24 hours.
