1. Product Introduction
This premium lineup of NOV Braden deck crane main winch spare parts is precision manufactured to exclusively fit NOV Braden hydraulic deck cranes (CH210A, PD12C, and standard main winch hoist models) — the industry-leading lifting equipment for offshore drilling rigs, marine vessels, FPSOs, and dockside operations. Every component, including counterbalance valve cartridges (104014), seal kits (64666/64667), brake cylinder assemblies (82918), and friction discs (103167), is built to match Braden OEM specifications, with strict hydraulic pressure ratings, wear resistance standards, and dimensional tolerances.
2. Core Purpose & Target User Demands
Core Purpose: These spare parts are designed to restore main winch hydraulic control, maintain safe load lifting/lowering, eliminate fluid leaks, stabilize brake performance, and extend the service life of NOV Braden deck cranes. They support emergency breakdown repairs, scheduled preventive maintenance, and full winch overhauls, ensuring compliance with marine lifting safety standards and uninterrupted offshore lifting operations.
Target Users & Pain Points Solved: This parts solution caters to offshore drilling maintenance teams, marine vessel engineers, crane service technicians, and industrial MRO specialists who face critical challenges: sudden winch hydraulic failures causing suspended loads, seal degradation leading to costly fluid leaks, worn brake discs compromising lifting safety, and long lead times for genuine OEM-compatible spares. We eliminate unplanned downtime, non-compliant repairs, and safety risks with ready-to-install, precision-matched components that deliver consistent performance in harsh marine environments.
3. Key Functional Specifications
- Hydraulic Pressure Control: Counterbalance valves (104014) and relief valves (18062/107025) maintain stable hydraulic pressure up to 350 Bar, preventing load drift and ensuring smooth winch operation during heavy lifting (up to 10-ton SWL).
- Leak-Proof Sealing: OEM-grade seal kits (64666/64667/64266) and O-rings (13542/10330) provide 99% sealing efficiency, resisting mineral oil and synthetic hydraulic fluid degradation for 8,000+ operating hours.
- Safe Braking & Clutching: Brake cylinder assemblies (82918) and friction discs (103167) deliver consistent braking torque, while overrunning clutches (82911) prevent reverse load rotation and enhance operational safety.
- Valve System Reliability: Check valves (109114) and load shuttle valves (107027) regulate fluid flow, reducing hydraulic system wear and minimizing maintenance frequency by 40%.
4. Structural & Material Features
All parts feature rugged, marine-grade construction: valve cartridges use hardened steel alloys for corrosion and pressure resistance; seal kits employ nitrile rubber (NBR) and polyurethane materials compatible with offshore hydraulic fluids; brake/friction discs use high-friction, heat-resistant composites to withstand continuous braking loads; bearings (103104/28815) and retaining rings meet ISO 9001 precision standards for rotational stability. The modular, drop-in design allows quick on-site replacement without specialized machining, cutting repair labor time by up to 65%.
5. Applicable Operating Conditions
These spare parts are engineered for extreme marine and offshore lifting工况, including saltwater corrosion, high humidity, operational temperatures from -20°C to 90°C, continuous heavy-load lifting, and high-vibration deck environments. They are fully compatible with all standard NOV Braden main winch hydraulic systems, performing reliably in both offshore drilling rig and marine vessel applications.
6. Maintenance & Care Recommendations
- Preventive Inspection: Inspect hydraulic seals for cracks, brake discs for wear, and valve cartridges for pressure leaks every 3 months; test hydraulic pressure relief settings quarterly with calibrated gauges.
- Scheduled Replacement: Replace seal kits and O-rings every 12 months, friction/brake discs every 24 months, and hydraulic valve cartridges every 36 months to prevent catastrophic failures.
- Storage & Handling: Store spare parts in airtight, anti-corrosion packaging; keep rubber seals away from direct sunlight and chemical exposure; lubricate bearings and moving components with marine-grade grease before installation.
- Service Protocol: Use matched seal kits for valve repairs to maintain pressure integrity; torque fasteners to OEM specifications to avoid hydraulic leaks and component misalignment.
We supply the following spare parts:
| ITEM | ITEM DESCRIPTION | MFG NAME | PART NO. |
| 1 | CARTRIDGE, COUNTERBALANCE VALVE(MAIN WINCH) | BRADEN | 104014 |
| 2 | CARTRIDGE, SEAL KIT(MAIN WINCH) | BRADEN | 64666 |
| 3 | CARTRIDGE, CHECK VALVE(MAIN WINCH) | BRADEN | 109114 |
| 4 | CARTRIDGE, SEAL KIT(MAIN WINCH) | BRADEN | 64667 |
| 5 | BRAKE VALVE ASSEMBLY – HIGH FLOW(MAIN WINCH) | BRADEN | 104433 |
| 6 | NEEDLE VALVE(MAIN WINCH) | BRADEN | 103936 |
| 8 | O-RING(MAIN WINCH) | BRADEN | 13542 |
| 9 | O-RING(MAIN WINCH) | BRADEN | 10330 |
| 10 | SEAL KIT (STANDARD HOIST) (MAIN WINCH) | BRADEN | 64266 |
| 11 | OVER RUNNING CLUTCH , C-SHAFT O/W ( MAIN WINCH) | BRADEN | 82911 |
| 12 | BRAKE CYLINDER ASSEMBLY ( MAIN WINCH) | BRADEN | 82918 |
| 13 | FRICTION DISC ( MAIN WINCH) | BRADEN | 103167 |
| 14 | BRAKE DISC ( MAIN WINCH) | BRADEN | 102954 |
| 15 | BACK-UP RING ( MAIN WINCH) | BRADEN | 100033 |
| 16 | O-RING(MAIN WINCH) | BRADEN | 24484 |
| 17 | O-RING(MAIN WINCH) | BRADEN | 22685 |
| 18 | BACK-UP RING ( MAIN WINCH) | BRADEN | 72123 |
| 19 | RETAINING RING(MAIN WINCH) | BRADEN | 103110 |
| 20 | SPRING STOP | BRADEN | 103150 |
| 21 | RETAINING RING(MAIN WINCH) | BRADEN | 103154 |
| 22 | RELIEF VALVE (MAIN WINCH) | BRADEN | 18062 |
| 23 | SPRING ( MAIN WINCH) | BRADEN | 103151 |
| 24 | BALL BEARING( MAIN WINCH) | BRADEN | 103104 |
| 25 | RING, INTERNAL RETAINING( MAIN WINCH) | BRADEN | 28814 |
| 26 | BEARING, ROLLER( MAIN WINCH) | BRADEN | 28815 |
| 27 | RING, EXTERNAL RETAINING( MAIN WINCH) | BRADEN | 28813 |
| 28 | SEAL (MAIN WINCH) | BRADEN | 28816 |
| 29 | CARRIER SEAL( MAIN WINCH) | BRADEN | 28808 |
| 30 | O-RING(MAIN WINCH) | BRADEN | 28973 |
| 38 | RELIEF VALVE ( MAIN WINCH) | BRADEN | 107025 |
| 39 | SEAL KIT FOR RELIEF VALVE (MAIN WINCH) | BRADEN | 64050 |
| 40 | PRESSURE RED . VALVE | BRADEN | 107026 |
| 41 | SEAL KIT FOR PRESSURE RED . VALVE (MAIN WINCH) | BRADEN | 64051 |
| 42 | LOAD SHUTTLE VALVE ( MAIN WINCH) | BRADEN | 107027 |
| 43 | SEAL KIT FOR LOAD SHUTTLE VALVE ( MAIN WINCH) | BRADEN | 64049 |
| 44 | CHECK VALVE ( MAIN WINCH) | BRADEN | 107028 |
| 45 | SEAL KIT FOR CHECK VALVE( MAIN WINCH) | BRADEN | 64048 |
On-Site Fault Repair Cases (Field Lifting Scenarios)
Case 1: Offshore Crane Main Winch Hydraulic Leak
An offshore drilling rig’s NOV Braden deck crane experienced severe hydraulic fluid leakage from the main winch valve assembly, halting lifting operations. Inspection revealed degraded seals in the counterbalance valve. Replacing the faulty cartridge (104014) and installing 64666 seal kit eliminated leaks, restoring full hydraulic function within 90 minutes.
Case 2: Marine Crane Load Drift & Brake Failure
A cargo vessel’s deck crane suffered uncontrolled load drift during lowering, caused by worn friction discs (103167) and a faulty brake cylinder assembly (82918). Installing new OEM-spec friction discs and brake cylinder fixed the braking issue, ensuring stable load control and resuming cargo operations safely.
Case 3: Winch Overrunning Clutch Malfunction
An FPSO crane failed to hold suspended loads due to a defective overrunning clutch (82911) on the main winch C-shaft. Replacing the clutch assembly restored load holding capability, preventing potential accidents and returning the crane to service without further issues.
Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these parts compatible with all NOV Braden main winch models? | Yes, these spares are precision matched to CH210A, PD12C, and standard Braden main winch hoist systems, with OEM part number cross-referencing for perfect fitment. |
| What is the service life of the seal kits and friction discs? | Seal kits and O-rings last 8,000+ operating hours in marine hydraulic systems; friction/brake discs have a service life of 15,000+ hours under normal heavy-load lifting conditions. |
| Do these parts meet offshore marine safety standards? | Absolutely, all components comply with marine lifting equipment standards and ISO 9001 quality certifications, suitable for use on offshore rigs, FPSOs, and commercial vessels. |
Procurement Call to Action
This complete range of NOV Braden deck crane main winch spare parts is your reliable solution for emergency repairs, scheduled maintenance, and full winch overhauls. Each component is manufactured to strict OEM standards, with clear Braden part number labeling (104014, 64666, 82918, etc.) to serve as your official procurement and technical reference for accurate part selection and compliance.
Whether you need valve cartridges for urgent hydraulic fixes, seal kits to stop leaks, brake components to restore safety, or bearings for rotational stability, this parts portfolio delivers consistent quality and performance for offshore and marine lifting operations. Use the detailed specifications and part number matches to verify compatibility with your NOV Braden crane, and reach out for technical support to streamline your ordering process. Invest in these genuine-grade spares to minimize crane downtime, uphold lifting safety standards, and protect your deck crane equipment long-term.
