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The DongHeng400c crawler drilling rig is a high-performance machine designed for various drilling applications including water well exploration, oil and gas drilling, and mining operations. With its robust construction and powerful Yuchai conventional 4-cylinder 72-kilowatt engine, this rig delivers exceptional performance in challenging conditions.
This drilling rig features a triplex pump system (Bormak50+50+25) and rotary motor (305+305) that provides superior drilling power with a rotary torque range of 6500-9000. The machine offers a lifting height of 4.2 meters and an impressive lifting force of 18 tons, making it suitable for heavy-duty drilling operations.
The DongHeng400c can handle working diameters from 165-350mm and reach depths up to 400 meters, with a standard working diameter of 203mm. The crawler-mounted design ensures excellent stability and mobility on various terrains, while the approximate total weight of 10.5 tons provides the necessary stability for deep drilling operations.
Equipped with diamond bit technology and rotary drilling method, this rig delivers precise and efficient drilling performance. The AC motor ensures reliable operation, while the crawler type provides excellent maneuverability on job sites.
Keenly impressed by the overall experience with this purchase. The delivery was exceptionally fast and well-handled, arriving ahead of schedule without any damage. The quality of the equipment appears robust and durable, meeting high standards as expected. Customer service was outstanding, with prompt and helpful responses to all inquiries. A truly reliable and satisfying transaction from start to finish.
My experience with this supplier was quite mixed. The logistics were handled efficiently, with the equipment arriving earlier than expected, which was a pleasant surprise. However, the packaging had some minor damages, though nothing that affected the main components. In terms of quality, the materials used feel robust and durable, suggesting good craftsmanship. On the service front, the support team was responsive initially but took longer to address follow-up queries. Overall, it's a decent purchase, but there's room for improvement in communication and packaging safeguards.
Quick delivery and excellent packaging ensured the equipment arrived without any damage. Quality appears robust and well-constructed, meeting our expectations for heavy-duty use. Service was responsive and helpful throughout the ordering process, making the experience smooth and satisfactory overall.
