Product Introduction
This curated assortment covers all mission-critical mechanical, sealing, and hydraulic components for the DSJ38Q drill line winch, including support sleeves, ring gear bushings/pins, hydraulic cylinder parts, gaskets, oil seals, retaining rings, and Taian/Juling compatible wear components. All parts undergo factory load and pressure testing validated for the winch’s rated 35-ton spooling capacity and continuous offshore duty cycle, with full material traceability and compliance with API oilfield equipment standards. The lineup features hardened alloy steel structural components, oil-resistant elastomer seals, precision-machined bushings, and corrosion-resistant hydraulic parts, fully mapped to OEM part numbers for simplified inventory management and emergency field repairs.
Functional Performance Specifications
These DSJ38Q winch spare parts deliver industry-leading offshore reliability: OEM support sleeves and pin bushings withstand radial loads up to 180MPa, reducing wear by 38% and extending service life to 16,000+ operating hours; high-pressure hydraulic seals and gaskets provide leak-free operation at 3500 PSI working pressure, preventing fluid loss; precision retaining rings and oil seals lock components securely, eliminating disassembly risks during heavy spooling; and hydraulic cylinder pistons/rods maintain consistent linear motion, ensuring smooth drill line winding and unwinding.
Structural & Material Features
- OEM Precision Machining: All sleeves, bushings, and pins are manufactured to tight tolerances (±0.0003 inch), ensuring perfect fitment with DSJ38Q winch assemblies and eliminating misalignment-related wear.
- Offshore-Grade Durability: Structural components use hardened carbon steel for load resistance, seals use fluoroelastomer for oil/corrosion resistance, and fasteners use marine-grade alloy steel to resist saltwater degradation.
- Leak-Proof Sealing Design: Multi-stage hydraulic seals and gaskets create tight barriers against fluid leakage, protecting winch internal components and preventing environmental contamination.
- Vibration-Resistant Construction: Heavy-duty support pins and bushings absorb rig vibration, preventing component loosening during continuous winch operation.
- Cross-Brand Compatibility: Auxiliary components are fully compatible with Taian/Juling hydraulic systems, ensuring seamless integration with existing winch hardware.
Applicable Operating Conditions
These spare parts are built for extreme offshore and land drilling environments, optimized for the DSJ38Q drill line reel winch installed on drilling vessels, offshore rigs, and land workover units. They perform reliably in ambient temperatures ranging from -40°F to 150°F, resist exposure to saltwater, drilling mud, hydraulic oil, and heavy rig vibration, and endure continuous high-load drill line spooling. Components are suitable for offshore hazardous locations and fully comply with API 7K drilling equipment safety standards.
Maintenance & Service Recommendations
- Inspect ring gear bushings, support pins, and sleeves monthly for wear or scoring; replace worn components immediately to maintain stable gear assembly operation.
- Check hydraulic cylinder seals, gaskets, and packing quarterly for hardening or leakage; replace degraded sealing parts to prevent hydraulic fluid loss.
- Lubricate bushings, pins, and moving components with heavy-duty lithium grease every 2,000 operating hours to reduce friction and prevent seizing.
- Inspect retaining rings and oil seals semi-annually for damage or misalignment; replace faulty rings to secure internal winch components.
- Perform full winch mechanical and hydraulic inspection every 12 months or 14,000 operating hours; replace worn OEM parts during scheduled rig maintenance.
- Stock critical high-wear parts (bushings, seals, gaskets, pins) at recommended minimum levels to avoid unplanned winch downtime.
- We supply the following spare parts:
| Item | AMOS Part-No. | OEM Part-No. | Q-ty in Stock | UoM | Description / Наименование |
| 1 | DSJ45-2002 | ea | Sleeve for support 1 | ||
| 2 | DSJ45-3001 | ea | Pin bushing for Ring gear assembly | ||
| 3 | DSJ45-3002 | ea | Pin shaft for Ring gear assembly | ||
| 4 | DSJ45-3004 | ea | Nut for Ring gear assembly | ||
| 5 | DSJ45-3006 | ea | Pin I for support 1 | ||
| 6 | DSJ45-5001 | ea | Pin II for support 2 | ||
| 7 | DSJ45-5003 | ea | Bearing bushing for support 2 | ||
| 8 | XJFH-5/35-2005 | ea | Gasket by Taian/juling | ||
| 9 | XJFH-5/35-2007 | ea | Steer wire 25×100 by Taian/juling | ||
| 10 | XJFH-5/35-2011 | ea | Packing by Taian/juling | ||
| 11 | XJFH-5/35-2014 | ea | Cylinder cover by Taian/juling | ||
| 12 | XJFH-5/35-2015 | ea | Gasket by Taian/juling | ||
| 13 | XJFH-5/35-2016 | ea | Fuel ring by Taian/juling | ||
| 14 | XJFH-5/35-2017 | ea | Air ring by Taian/juling | ||
| 15 | XJFH-5/35-2018 | ea | Piston by Taian/juling | ||
| 16 | XJFH-5/35-2019 | ea | Cylinder cover cap by Taian/juling | ||
| 17 | XJFH-5/35-2020 | ea | Piston pin by Taian/juling | ||
| 18 | XJFH-5/35-2021 | ea | Connect rod by Taian/juling | ||
| 19 | XJFH-5/35-2024 | ea | Packing δ 1 by Taian/juling | ||
| 20 | Diameter 25 | ea | Retainer ring 25 by Taian/juling | ||
| 21 | HG4-692-67 | ea | Oil seal PD38x50x12 |
Field Failure Repair Case Studies
Case 1: Worn Ring Gear Pin Bushing Causing Misalignment
A DSJ38Q winch experienced erratic ring gear movement due to a worn pin bushing (DSJ45-3001). Installing the OEM bushing and matching pin shaft restored proper alignment, eliminated gear noise, and resumed smooth drill line spooling.
Case 2: Hydraulic Cylinder Packing Leakage
Hydraulic fluid leakage from degraded packing (XJFH-5/35-2011) caused inconsistent winch cylinder operation. Replacing the OEM packing and sealing rings stopped leakage, restored hydraulic pressure, and fixed winch movement issues.
Case 3: Failed Oil Seal Causing Lubrication Loss
A damaged oil seal (PD38x50x12) led to lubricant leakage and bushing wear on the winch support structure. Installing a new OEM oil seal and re-lubricating components prevented further wear and restored winch reliability.
Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these parts exclusively for the DSJ38Q drill line winch? | Yes, this catalog features OEM parts engineered solely for the DSJ38Q drill line reel winch, with exact part matching for perfect drop-in fitment. |
| Do these components work with Taian/Juling hydraulic systems? | Absolutely, all auxiliary hydraulic parts are fully compatible with Taian/Juling equipment, ensuring seamless integration with the winch’s hydraulic setup. |
| Can these parts be used for offshore and land rig winch repairs? | Yes, these OEM-certified spares are built for both offshore and land drilling environments, ideal for emergency winch repairs to minimize drilling downtime. |
Procurement Guidance
This DSJ38Q drill line winch spare parts catalog serves as both a formal oilfield procurement benchmark and a hands-on technical troubleshooting reference, designed to eliminate the risks of substandard aftermarket parts that fail prematurely, reduce long-term winch maintenance expenses, and uphold the safety and operational reliability of your drill line handling system. Every part is a verified OEM-certified component that guarantees perfect fitment, consistent heavy-load performance, and full compliance with API, ISO, and original winch manufacturing standards, making it the definitive resource for maintaining DSJ38Q drill line reels.
