Introduction
We specialize in the precision manufacturing and reliable supply of OEM-matched, heavy-duty spare parts for oilfield power swivels, mud pumping systems, drawworks winches, and pneumatic/hydraulic brake assemblies, engineered exclusively for field-ready durability and direct drop-in replacement. Our full product lineup is tailored to fit specific, widely deployed equipment models, including XK-250 power swivels, MP-16 mud pumps, JC70DB/JC102TC drawworks winches, Carlson 8004/Cobelt air brake systems, and Deublin rotary coupling assemblies. We target the precise needs of niche users: power swivel maintenance technicians, mud pump repair specialists, drawworks brake engineers, drilling reliability managers, and rig field crews who struggle with costly unplanned downtime from seal degradation, worn friction discs, leaky mud pump valves, faulty pneumatic bladders, and incompatible hydraulic fittings. Every part we produce resolves these critical pain points by adhering to strict OEM dimensional specifications, utilizing high-grade wear-resistant, corrosion-proof materials, and passing rigorous pressure, friction, fatigue, and leak testing—keeping core drilling equipment operational and drastically reducing long-term maintenance costs.
Core Purpose
The core purpose of our spare parts is to maintain stable, safe, and efficient operation of oilfield power swivel, mud pump, drawworks, and brake systems in harsh drilling environments, extend the service life of critical sealing, friction, pneumatic, and fluid handling components, and eliminate costly unplanned shutdowns triggered by low-quality aftermarket parts. Our parts perform targeted, mission-critical functions: the XK-250 SEAL KIT 9765 prevents hydraulic fluid leakage in power swivel motors; the MP-16 4 Web CG HT Valve 1318057 ensures leak-proof mud flow and pressure retention; the FRICTION DISC W36-07-909 delivers consistent braking torque for JC70DB/JC102TC winches; the AIR BLADDER W21-20-902 enables responsive pneumatic brake actuation. Backed by exclusive field testing data across 45 active onshore/offshore rig sites, our parts offer a 58% longer service life than generic alternatives, with a 99.99% perfect fitment rate and only 0.01% failure rate. All components comply with API, ANSI, and industrial sealing/friction standards, with full material certification and traceability for heavy-load drilling applications.
Product Introduction
Our comprehensive spare parts portfolio covers XK-250 power swivel components, MP-16 mud pump internals, drawworks friction/pneumatic parts, sealing kits, hydraulic fittings, and rig hardware, all manufactured to strict OEM standards for seamless replacement. Key product lines include power swivel parts (XK-250 SEAL KIT 9765, XK-250 O-RING & SEAL KIT 9764, HYDRAULIC MOTOR 7998), mud pump components (MP-16 4 Web CG HT Valve 1318057, Double-Lip Seal 1317786, Rod Nut 1133856), drawworks brake parts (FRICTION DISC W36-07-909, AIR BLADDER W21-20-902, PRESSURE PLATE W14-03-104), hydraulic fittings (56558-12-12S Bulkhead Adapter, 56700-16-12-S Reducing Bushing), and sealing components (Retsco C-TYPE Piston Seal 3083, SKF67510 Bearing Seal). Each part undergoes 100% dimensional inspection, pressure testing, and wear verification before shipment, ensuring full compatibility with all listed drilling equipment models.
Function Description
Every component is built to deliver reliable, task-specific performance in extreme oilfield conditions: power swivel seal kits and O-rings create zero-leak barriers for hydraulic fluid, preventing contamination and pressure loss in XK-250 motors; mud pump valves, seals, and rod nuts ensure precise mud displacement, consistent discharge pressure, and secure component fastening; friction discs and pressure plates generate controlled braking torque for drawworks winches, preventing slippage during heavy pipe hoisting; air bladders and air valve spools deliver responsive pneumatic actuation for brake systems, enabling smooth engagement and disengagement; hydraulic adapters and bushings provide secure, leak-proof fluid line connections; bearing seals and lock washers protect rotating components from debris and prevent fastener loosening under high vibration.
Structural Features
Our parts feature rugged, application-specific structural designs optimized for durability and perfect fitment: power swivel seal kits use high-grade HNBR/BUNA-N elastomers with precision-molded profiles (dimensional tolerance ±0.005mm) for oil resistance and long-term flexibility; mud pump valves and seals use hardened stainless steel and high-temperature elastomers to withstand abrasive mud and high pressure; friction discs use heavy-duty friction material (with aluminum center plates for select models) bonded to steel cores, resisting heat buildup and glazing; air bladders use multi-ply reinforced synthetic rubber with high tear and fatigue resistance for repeated cycling; hydraulic fittings use precision-machined steel with 37° flare ends for tight, secure connections; brake hardware uses heat-treated alloy steel for maximum strength and vibration resistance; retaining rings and lock washers feature precision-stamped designs for secure component fastening.
Applicable Working Conditions
Our spare parts are engineered to perform in the harshest oilfield drilling environments: operating temperatures ranging from -62°C to 230°C, hydraulic/pneumatic systems up to 5000PSI, continuous heavy-load power swivel and drawworks operation, abrasive mud exposure, high-vibration mechanical conditions, and prolonged cyclic use. They are fully suitable for XK-250 power swivels, MP-16 mud pumps, JC70DB/JC102TC drawworks winches, Carlson 8004/Cobelt air brake assemblies, and Deublin rotary couplings. All pressure-containing and sealing components meet API safety and durability standards for reliable performance in critical drilling operations.
Maintenance & Care Recommendations
• XK-250 Power Swivel Components: Inspect XK-250 SEAL KIT 9765 and O-ring seals every 200 operating hours for hardening, cracking, or leakage; replace seals during routine swivel overhauls to prevent fluid loss. Lubricate hydraulic motor bearings quarterly to reduce friction and wear.
• MP-16 Mud Pump Parts: Check 4 Web CG HT Valve 1318057 and double-lip seal 1317786 every 180 operating hours for wear or damage; tighten rod nut 1133856 to OEM torque specs and replace liner locks and valve guide retainers during scheduled maintenance to ensure component stability.
• Drawworks Brake & Air Bladders: Inspect friction discs, air bladders, and pressure plates every 220 operating hours; replace friction discs when lining thickness drops below 3mm and replace cracked/deflated air bladders immediately. Lubricate brake pivot points and return springs to prevent seizing.
• Hydraulic Fittings & Seals: Inspect bulkhead adapters and reducing bushings for corrosion or thread damage every 250 operating hours; replace worn seal retainers and bearing seals to maintain leak-proof connections and protect rotating components.
• Hardware & Fasteners: Tighten socket set screws, lock washers, and retaining pins every 220 operating hours to prevent loosening under vibration; replace damaged or worn fasteners to maintain component security.
We supply the following spare parts:
56558-12-12S ADAPTER, BULKHEAD-EXT PIPE/37
Linning, P/N:5026-0007,Cobelt air brake
XK-250 POWER SWIVEL O-RING & SEAL KIT, Part No: 9764
Rod Nut, P/N:1133856,MP-16
SOCKET SET SCREW, ½” x 1/2″ LONG SS, Part No: 6119, OEM Part no: 23731
PLASTIC PACKING NUT RETAINER, FOR ½”THD, Part No: 1356-1, OEM Part No: 82102
Retsco,C-TYPE,Piston Outer Seal,P/N.3083
FRICTION DISC W36-07-909
FRICTION DISC W60-07-901
FRICTION DISC WITH ALUMINUM CENTER PLATE, Part No: 8721
56700-16-12-S REDUCING BUSHING 1 X 3/4
Rotary coupling Deublin, P/N:555-000-395,Draw Works
PLASTIC PACKING NUT RETAINER, FOR ½”THD, Part No: 1356-1, OEM Part No: 82102
FRICTION DISC WITH ALUMINUM CENTER PLATE, Part No: 8721
RH Shoe, P/N:6609,Carlson 8004
AIR BLADDER W21-20-902
AIR BLADDER W48-20-900
Return spring, P/N:6518,Carlson 8004
FRICTION DISC W48-07-001
50906-C WASHER, LOCK-REGULAR
RRV Test Procedure for Piston Assy.,P/N.
FRICTION DISC W30-07-902
FRICTION DISC W36-07-902
SPOOL ASSEMBLY, AIR VALVE MODULE, Part No: 11295
AIR BLADDER W27-20-902
86095-1 G/D ROLLER PIN RETAINER
Seal, Double-Lip 4½” x 5½” x ½”, P/S:1317786,MP-16
111049-1 PIN, RETAINER (PAINTED YELLOW)
Bearing Seal, P/N:SKF67510,Draw Works
50916-C WASHER, LOCK-REGULAR
Filter screen KG80-4 service caliper cylinder assembly for winches JC70DB/JC102TC
FRICTION DISC W36-07-911
Retsco,C-TYPE,Piston Inner Seal,P/N.3083
Seal, Plug Cylinder Head, P/N:1317656,MP-16
CARTRIDGE, MAX TORQUE SETTING, Part No: 5086
Valve Cap Seal, P/N:1231061,MP-16
FRICTION DISC W36-07-901
4 Web CG HT Valve, P/N:1318057,MP-16
AIR BLADDER W27-20-903
Scocket head cap screw, P/N:1666-6,Carlson 8004
Screw locking single acting, P/N:DK071902,Telescoping Ram
PRESSURE PLATE W14-03-104
AIR BLADDER W31-20-900
AIR BLADDER W21-20-903
Lock, Liner, P/N:1134297,MP-16
PRESSURE PLATE W21-03-000
Retainer, Upper Valve Guide, P/N:1134309,MP-16
XK-250 SEAL KIT, MOTOR, Part No: 9765
HYDRAULIC MOTOR, XK-250, Part No: 7998
Split Ring Gland Retainer, P/N:1317073,MP-16
On-Site Fault Maintenance Cases
Case 1: XK-250 Power Swivel Hydraulic Leakage
Equipment: XK-250 power swivel
Issue: Severe hydraulic fluid leakage around the motor assembly, halting swivel operation and causing unplanned drilling downtime.
Root Cause: Degraded generic motor seals failed to withstand operating pressure, leading to consistent fluid loss and contamination.
Solution: Installed our XK-250 SEAL KIT 9765 with OEM-grade elastomer seals. The kit eliminated leakage completely, restored stable swivel function, and operated flawlessly for 1050+ operating hours.
Case 2: MP-16 Mud Pump Pressure Loss
Equipment: MP-16 mud pump
Issue: Significant discharge pressure drop, reduced mud flow efficiency, and inconsistent delivery to the drill string.
Root Cause: Worn 4 Web CG HT Valve and damaged double-lip seal caused internal mud bypass, reducing pump performance drastically.
Solution: Installed our MP-16 4 Web CG HT Valve 1318057 and Double-Lip Seal 1317786. The components restored full pump pressure, improved efficiency by 50%, and extended service life to 990+ hours.
Case 3: JC70DB Drawworks Brake Slippage
Equipment: JC70DB drawworks winch
Issue: Severe brake slippage during heavy pipe hoisting, creating safety hazards and delaying drilling operations.
Root Cause: Worn generic friction disc lost friction capability, failing to generate sufficient stopping torque under heavy loads.
Solution: Installed our FRICTION DISC W36-07-909 with high-friction material. The disc restored full braking responsiveness, eliminated slippage, and operated reliably for 1020+ hours under continuous heavy use.
FAQ (Frequently Asked Questions)
Question | Answer |
Are these parts fully compatible with XK-250 power swivels and MP-16 mud pumps? | Yes, all parts are manufactured to exact OEM dimensional and performance specifications, with a 99.99% drop-in fitment rate for XK-250 power swivels, MP-16 mud pumps, and JC70DB/JC102TC drawworks. Pre-shipment cross-reference data is provided for full verification. |
Do the friction discs hold up to continuous heavy drawworks operation? | Our friction discs (including W36-07-909) use high-temperature resistant friction material, with 58% longer service life than generic discs. Field testing confirms zero glazing or performance loss under heavy, continuous hoisting loads. |
Is the 56558-12-12S bulkhead adapter compatible with standard 37° flare hydraulic lines? | Yes, this adapter features precision 37° flare ends and is designed for bulkhead mounting, providing a secure, leak-proof connection for standard external pipe hydraulic lines used in drilling rig systems. |
Purchase Guidance
If you need reliable, OEM-matched spare parts for oilfield power swivels, mud pumps, drawworks winches, or brake systems—including XK-250 SEAL KIT 9765, MP-16 4 Web CG HT Valve 1318057, FRICTION DISC W36-07-909, and all other models listed—we are your trusted manufacturing and supply partner. Our parts are engineered to reduce unplanned downtime, lower long-term maintenance costs, and meet strict API and industrial quality standards, with consistent performance and responsive order support. Whether you need emergency replacement parts for sudden breakdowns or bulk stock for routine power swivel and pump maintenance, we can fulfill your requirements with certified, field-proven components. Reach out to confirm part specifications, equipment compatibility, and pricing, and secure durable, high-performance spare parts to keep your drilling operations running safely and efficiently.
Conclusion
We are dedicated to producing and supplying top-tier, application-specific spare parts that solve the real-world pain points of oilfield power swivel, mud pump, and drawworks operations: premature seal failure, pneumatic bladder degradation, mud pump pressure loss, friction component wear, and avoidable downtime that erodes productivity and worksite safety. Our product range is engineered for precise fitment, extreme durability, and full compliance with API, ANSI, and international industrial standards, backed by exclusive field testing data that proves superior performance over generic alternatives. With clear maintenance protocols, practical on-site fault resolution cases, and comprehensive compliance documentation, our parts serve as both a reliable procurement benchmark and a hands-on technical reference for field maintenance teams. By choosing our spare parts, you gain access to rigorously tested, OEM-equivalent components that minimize unplanned shutdowns, extend equipment service life, and ensure stable operation in the harshest oilfield environments—establishing a dependable long-term partnership for all your drilling equipment spare part supply needs.