Description
The TDMR-500-CT is a heavy-duty, topdrive mechanical rotary rig designed for deep drilling and high-torque applications. As the most powerful mechanical rig featured in this series, it excels in projects requiring significant rotational force, with capabilities for water well drilling up to 500 meters and wireline coring up to 900 meters. Its design leverages a robust mechanical transmission and a 6-speed manual gearbox to deliver maximum power to the drill head.
Key Features
- High-Torque Mechanical Power Head: The rig’s power head operates via a mechanical transmission, delivering a maximum torque of 16,500 N.m, making it ideal for difficult drilling conditions.
- 6-Speed Manual Transmission: Offers direct and efficient power transfer, giving the operator robust control over a wide range of rotary speeds (43-1080 r/min forward).
- Angled Drilling Capability: The rig is capable of drilling at angles from 75° to 90°.
- Efficient Feed System: Features a power head with a single feed range of 3500mm and a hydraulic automatic opening and closing mechanism.
- High Capacity Winch: Equipped with a mechanical winch with a 7.5 Ton capacity for heavy lifting operations.
Integrated Centrifugal Mudpump (4 x 4)
Like other models in the series, this rig includes a built-in 4×4 heavy-duty centrifugal mudpump powered by a hydraulic motor.
- Capacity (Q): 84 m³/hr
- Head: 60 meters
- Pump Size (DN): 100mm to 100mm
- Material: Cast Iron, M.S.
- Country of Origin: India
Technical Specifications
| Parameter | Value |
| Drilling Depth (Water Well) | 500 m (with 150mm-400mm diameter) |
| Drilling Depth (Wireline Coring) | 900 m (N size) |
| Engine Model | Yunnie YN48GBZ |
| Rated Power / Speed | 92 kW / 2400 r/min |
| Max. Torque | 16500 N.m |
| Lifting / Thrusting Capacity | 240 KN / 180 KN |
| Drill Pipe Length | 3000 mm |
| Mechanical Winch Capacity | 7.5 Ton |
| Weight (with steel crawler) | 11,500 Kg |
| Transport Dimensions | 6300 x 2000 x 2650 mm |
| Working Dimensions | 3800 x 2500 x 8500 mm |
| Country of Origin | China |


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