TOP-300 Top Drive Truck-Mounted Water Well Drilling Rig
TOP Series is a top-drive truck-mounted drilling rigs with over 250 units delivered, primarily across Asia, Africa, and Latin America through ODA projects aimed at ensuring a stable supply of drinking and irrigation water.
With a wide product range covering various drilling depths, it meets diverse water resource development needs.
Designed for high mobility, excellent off-road performance and robust design, it enables reliable drilling operations even under harsh site conditions.
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Features
- High maintainability thanks to a simple structure
- High durability
- Robust design
- Wide product range supporting drilling depths from 150 m to 750 m
- Excellent mobility and off-road capability on rough terrain
Overview
Specifications
- Total Weight[t]
Approx. 8.0
(depending on truck, trailer etc)
- Drilling Capacity
Drilling Method: Mud direct circulation, DTH hammer
Drill Pipe: 3-1/2″ (89 mm) – Depth: 80 – 100 m
Drill Pipe: 2-7/8″ (73 mm) – Depth: 100 – 120 m- Rotary Head
Type: Hydraulic motor drive
Rotation Speed: 0 – 80 min⁻¹
Max. Torque: 0.98 kN·m
Load Capacity: 49.0 kN- Feed System
Type: Hydraulic cylinder drive
Feed-Down Force: 24.5 kN
Pull-up Force: 24.5 kN
Feed Stroke: 4500 mm
About Applications
- Renewable Energy Development
- It is used for the civil works contributing to the stable supply of renewable energy sources such as geothermal and water resources, and to decarbonisation.
- Construction Surveys and Academic Research
- It is used for the investigation, testing and civil works related to ground, geology and archaeological sites.
- Underground Resource Development
- It is used for the civil works related to the exploration, extraction and utilization of underground and seabed resources such as minerals, water and energy.
- Soil and Groundwater Contamination Surveys
- It is used for environmental investigation to determine the extent of contaminated soil and groundwater, identify the hazardous substances and examine the removal methods.
- Housing Ground Improvement Work
- It is used for the ground improvement work to strengthen the ground bearing capacity to prevent the irregular sinking of constructed residential houses.
- Foundation Work
- It is used for the civil works to build foundations that ensure the safety of structures.
- Landslide Prevention Work
- It is used for the civil works to reinforces and stabilizes the ground by installing piles, drainage pipes and other subsurface elements.
- Urban Underground Development
- Used for civil works aimed at advanced utilization of underground space to reduce congestion in urban areas, develop transportation, communication, and energy infrastructure, and improve disaster prevention functions.
- Response to New Markets
- They are the products designed to meet customer needs that accomodates not only traditional field but also new applications and construction methods.
- Drilling Tools
- Accessories and tools used with drilling machines for drilling and sampling.
- Air (Down-the-hole) Hammer Method
- Tools used to break and drill efficiently through hard ground such as rock.
- SDGs
- It is used for the civil works contributing to the effort to reduce the environmental impact to achieve a sustainable society.
About Models
- Vibratory-Rotary Drilling Machine
- Large Drilling Rig
- Medium Drilling Rig
- Small Drilling Rig
- Air Hammer Dedicated Rig
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- Housing ground improvement machine
- Drilling and Grout Pumps
- Equipment used for circulating fluid (mud water), injecting chemicals or cement into the ground, and removing slime (cuttings) from the borehole to efficiently carry out drilling operations.
- Mud Mixer
- Equipment used to safely and efficiently agitate, mix, condition and supply circulating fluid (mud water) for drilling.
- Diaphragm Wall Trencher
- Cast-in-Place Piling Machine
- Road Surface Drilling Machine
- A machine used to investigate pavement structure for proper structural evaluation of existing pavement and for effective maintenance and rehabilitation of pavement systems.
- Drill Rods
- Bit
- A tool attached to the tip of drill strings that directly drills soil or rock through rotation and weight of bit. The most efficient bit is selected according to the purpose of drilling and ground conditions.
- Wireline Tools
- Drill tools specialized for wireline coring application.
- Hoisting Swivel
- Rod Holder
- Air Hammer
- Machines specialized for drilling rock and hard ground using air hammers.









