Since 2002
In-house machining and equipment assembly.
YNJ Hydraulic Bucking Unit
Bucking Unit (Hydraulic Make Up/Break Out Unit)
YNJ Hydraulic Bucking Unit
YNJ160/15 and YNJ200/15 hydraulic bucking units for threaded downhole tools, pumps and tubulars. Compare size ranges and high/low gear ratings.
- YNJ160/15
- 1 9/16–6 in size range
- YNJ200/15
- 2 3/8–7 11/16 in size range
- Rated torque
- Low gear 15,000 N·m · high gear 2,600 N·m
Automatic torque control is optional. Confirm the workpiece and required operating gear with our team.
Email: jssld@126.com
Tel: +86 135 0510 3997
WhatsApp: +86 135 0510 3997
Share your size range, torque requirements and application so we can confirm the suitable configuration.
The hydraulic bucking unit is suitable for the manufacturing, assembly, repair, and disassembly of downhole pumps, downhole tools, oil pipes, casings, and other threaded connections in oil fields. It has the following characteristics:
The master and back-up tongs clamp and release the work piece synchronously.
The machine master tongs and back-up tongs are a four planetary claw bidirectional clamping mechanism, which does not require the replacement of any parts within the applicable range.
Optional torque automatic control system according to user needs.
The back clamp is equipped with a hydraulic walking mechanism that can move with the workpiece.
Application Scenarios
Scroll horizontally to view all specifications
| Model | YNJ160/15 | YNJ200/15 |
|---|---|---|
| Size Range | 1 9/16” ~6” | 2 3/8” ~7 11/16” |
| Rated High Gear Torque | 2600N.m | 2600N.m |
| Rated Low Gear Torque | 15000N.m | 15000N.m |
| Rated High Speed | 64 RPM | 64 RPM |
| Rated Low Speed | 11 RPM | 11 RPM |
| Rated System Pressure | 14 Mpa | 14 Mpa |
| Rated Flow | 120LPM | 120LPM |
| Dimensions (length * width * height) | 3000×1300×1290mm | 3000×1300×1290mm |
| Weight | 1220kg | 1220kg |
Meet Shenlida
Bucking units, power tongs and hydraulic equipment, made in Jiangsu, China.
Our bucking units have been used by
In-house R&D
Patented technology for bucking, gripping and pipe handling.
Certified systems
ISO management systems and after-sales service certification.
Global support
International supply, technical support and after-sales service.
