140–400mm large aperture, reverse circulation high-efficiency drilling, wide application
Directly supplied by Shandong Relied Heavy Industry Co., Ltd. in Jining, China. This model supports export orders, OEM/ODM discussion, and practical configuration matching based on real working conditions.
140–400mm large aperture, reverse circulation high-efficiency drilling, wide application This model is supplied for international buyers who need practical drilling machinery backed by responsive factory communication and export support.
Core selling points from the actual model data and product documentation.
140–400mm large aperture, reverse circulation high-efficiency drilling, wide application
140–400mm large aperture, reverse circulation high-efficiency drilling, wide application
8000–12000N·m ultra-high torque, powerful drilling in hard rock without jamming
3.3 / 6.6m dual-stroke power head, reduce pipe changes and greatly improve efficiency
Medium & high pressure RC hammer, complete core sampling and fast slag discharge
Discuss drilling depth, hole diameter, mobility type, branding, and configuration requirements with our team.
Key model parameters extracted from product source materials. Final configuration can be discussed according to project needs.
| Main Parameters | |
|---|---|
| Drilling Capacity | Drilling depth(m) / RLD-500RC |
| The Hole Diameter(mm) | 140-400 |
| Drill Pipe Diameter(mm) | 76 / 89 / 102 / 114 |
| Drill Pipe Length(m) | 1.5 / 2 / 3 / 6 |
| Drive Head | Rotation torque(N.m) / 8000-12000 |
| Rotation Speed(rpm) | 40-160 |
| Stroke(m) | 3.3 / 6.6 |
| Rig Lifting Force | 300kN |
| Feeding Capacity(kN) | 150 |
| Rapid Rise Speed(m / Min) | 20 |
| Fast Feeding Speed(m / Min) | 40 |
| Power Unit | Engine brand / Cummins |
| Rated Power(kW) | 132 |
| Tool Winch Capacity | Lifting force / 20kN |
Send us your drilling application, target depth, working ground condition, and destination market. We will help recommend a suitable model and configuration.
Typical project scenarios where this model can be discussed and supplied for international buyers.
High-efficiency reverse circulation drilling for large-aperture and sampling work.
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Strong torque and RC hammer configuration support demanding rock conditions.
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Suitable for jobs requiring wider drilling diameter and strong slag discharge.
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A practical solution for buyers needing heavier-duty RC equipment for export projects.
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Providing direct trade support, container planning, and custom configurations for professional machinery buyers.
Discuss structural spare parts kits, special wholesale pricing models, and regional stocking options.
Request dimensional maps, hydraulic schematics, and performance curves to assist your bid submissions.
We supply accurate packing lists, commercial invoicing records, and ocean container tracking details.
Collaborate on specialized winch setups, custom colorways, and fleet-aligned brand markings.
Review practical answers about model selection, customization, certificates and export support.
Our tracked rig is engineered primarily for water well drilling, geological survey exploration, and retaining slope anchor support. Final drilling depth capabilities vary according to structural ground strata, drill bits used, and engine specifications.
Yes. Our sales team can provide available product specifications, configuration details and supporting documents according to the selected model.
Yes. We can discuss branding, color, label, power configuration and packaging requirements according to product type and order quantity.
CE support is available for verified product categories. Please provide your target model and market requirements, and our team will confirm available certificate details.
Yes. Based on your drilling application, required depth, hole diameter and ground condition, our team can recommend a suitable model and configuration.
Please provide product model, quantity, application, required parameters, destination country or port, and any OEM/ODM requirements.
Share your drilling depth, hole diameter, application, quantity, destination country and OEM/ODM needs. Our team will recommend a suitable model and quotation.