High-Performance Wear Parts for Drilling Draw-Work & Mud Pump Systems
This full range of durable replacement parts is custom-engineered exclusively for LT series pneumatic clutches (LT500/125, LT500/250T, LT965/305T, LT1168/305T) used on drilling draw-works, and AH36001/AH33001 series mud pumps, covering clutch airbags, friction plates, heavy-duty industrial bearings, precision oil seals, sealing rings, pistons, cylinder liners, and valve components. These parts target the hands-on needs of drilling draw-work maintenance technicians, mud pump repair crews, oilfield equipment procurement specialists, wellsite safety supervisors, and field mechanical engineers — solving critical pain points such as clutch airbag rupture, friction plate wear, bearing seizure, mud pump seal leakage, piston scoring, and unplanned drilling downtime caused by low-quality aftermarket spares. Every component is manufactured in strict compliance with API 7K drilling equipment standards, API 6A mud pump specifications, GB/T 3098 high-strength mechanical standards, and ISO 9001 quality management certification, utilizing high-grade rubber compounding, precision forging, heat treatment, and tight-tolerance machining to guarantee OEM-perfect fit, consistent load performance, and extended service life in harsh high-vibration, high-pressure oilfield drilling environments.
Core Purpose Statement
These dedicated LT clutch and AH mud pump parts serve as direct OEM replacements for routine maintenance, emergency fault repair, full overhauls, and performance upgrades of drilling draw-works and mud circulation systems. Their core mission is to deliver smooth, reliable clutch engagement with wear-resistant airbags and friction plates, maintain stable rotational motion with heavy-duty precision bearings, prevent fluid leakage and dust contamination with high-performance oil seals and gaskets, sustain consistent mud pressure with durable pistons and cylinder liners, and ensure reliable valve operation with wear-resistant valve assemblies and springs. By eliminating common clutch slippage, bearing failure, and mud pump leakage issues, these parts reduce maintenance frequency, cut operational downtime, and keep critical drilling equipment running safely and continuously.
Structured Product Description
1. Product Introduction
This comprehensive parts portfolio covers two core oilfield drilling equipment categories: first, LT series clutch components including pneumatic airbags, friction plates, and SWC285DH2 cardan shafts for draw-work power transmission; second, AH36001/AH33001 mud pump parts including pistons, cylinder liners, valve assemblies, oil seals, and sealing rings; third, a full range of heavy-duty industrial bearings (3638, 32148, 3003148, etc.) for rotating equipment support. Each part undergoes 100% performance and durability testing — clutch airbags are pressure-tested at 1.7 times rated working pressure, bearings are load-tested for 2400 continuous hours, mud pump seals are validated for mud resistance, with a field-proven service life of 4500 operating hours, 1800 hours longer than generic aftermarket parts. All components match the original mounting dimensions and performance specifications of LT clutches and AH mud pumps for zero-modification, quick on-site installation.
2. Function Description
• Clutch Power Transmission Parts: LT series pneumatic airbags enable fast, smooth clutch engagement and disengagement for draw-work speed control; friction plates provide reliable torque transfer without slippage; cardan shafts compensate for shaft misalignment and transmit rotational power steadily.
• Rotating Equipment Support Parts: Heavy-duty tapered roller and spherical roller bearings support high radial and axial loads, reduce friction, and prevent shaft wobble for stable operation of draw-works and mud pumps.
• Mud Pump Sealing & Cylinder Parts: Double-lip oil seals, sealing rings, and gaskets prevent mud and hydraulic fluid leakage; pistons and cylinder liners form the pressure chamber for mud circulation; valve assemblies and springs control mud flow and maintain system pressure.
• Wear & Buffer Parts: Valve springs absorb vibration and ensure valve closure; buffer components protect safety valves from impact damage; wear-resistant discs extend the service life of mud pump internal moving parts.
3. Structural Features
Clutch airbags are constructed from high-strength nylon-corded rubber compound, resistant to high pressure, oil, and fatigue; friction plates use high-friction, low-wear composite material with stable torque output and minimal heat buildup; bearings feature hardened steel races and precision rollers for heavy load capacity and long fatigue life; mud pump oil seals use dual-lip nitrile rubber with dust lips to block mud intrusion; pistons and cylinder liners are precision-ground from hardened alloy steel for superior wear and corrosion resistance. Key dimensional tolerances are controlled to ±0.018mm, and modular design allows single-component replacement without full system disassembly, cutting average on-site repair time by 95 minutes per service call.
4. Applicable Operating Conditions
These parts are exclusively validated forLT500/125, LT500/250T, LT965/305T, LT1168/305T drilling draw-work clutches and AH36001/AH33001 series mud pumps, suitable for onshore oilfield drilling, well workover, mud circulation, and draw-work hoisting operations. They operate stably in ambient temperatures ranging from -45°C to 100°C, resist mud erosion, crude oil corrosion, continuous vibration, and high-pressure cycling, and comply with API 7K draw-work standards, API 6A mud pump norms, and GB/T 3098 mechanical component specifications. All load-bearing components are rated to match the maximum working load of matched drilling equipment, suitable for desert, grassland, and remote wellsite environments.
5. Maintenance & Servicing Recommendations (Field Engineer Practical Tips)
• Clutch Maintenance: Inspect LT clutch airbags for cracks and friction plates for wear every 200 operating hours; replace worn friction plates before torque loss occurs, and lubricate airbag mounting surfaces to reduce friction.
• Bearing Care: Lubricate all bearings with high-temperature lithium grease every 300 operating hours; check for abnormal noise, heat, or play, and replace bearings showing signs of wear immediately to prevent seizure.
• Mud Pump Seal Inspection: Check AH36001 oil seals and sealing rings for mud leakage every 250 operating hours; replace damaged seals promptly, and clean sealing surfaces before installation to ensure a tight fit.
• Piston & Cylinder Liner Check: Inspect pistons and cylinder liners for scoring and wear every 400 operating hours; replace worn components to maintain mud pressure, and lubricate piston seals during installation.
• Safety Compliance Reminder: Conduct a full clutch torque test and mud pump pressure test every 6 months; verify valve spring tension and bearing torque to maintain API 7K/6A compliance.
We supply the following spare parts:
LT500/125 clutch airbag |
LT500/125 clutch friction plate |
LT500/250T clutch air bag |
LT500/250T clutch friction plate |
LT965/305T clutch pneumatic tire |
LT965/305T clutch friction plate |
LT1168/305T clutch air bag For draw-work |
LT1168/305T clutch friction plate |
Bearing 3638 |
Bearing 3003148 |
Bearing 32148 |
Bearing 32140 |
Bearing 3003140 |
Bearing 53544 |
Bearing 3540 |
Bearing 32240 |
Bearing 53530 |
Bearing 32234 |
Bearing 3534 |
Bearing 3530 |
Bearing 3526 |
Bearing 32526 |
Bearing 3003160 |
Bearing 3528 |
SWC285DH2 Cardan shaft |
Bearing L357049 |
GB283-64 Bearing 42238 |
AH36001-04.08A.00 Double lip oil seal 5″x6.25×0.625″ |
AH36001-04.21 Oil seal ring |
AH36001-04.15 Gasket |
AH36001-04.10 Fender |
AH36001-05.08 Cylinder head sealing ring |
AH36001-05.13 Bonnet sealing ring |
AH36001-05.15 Cylinder liner seal |
AH33001-05.20A Piston seal |
AH36001-19 Migui inch washer |
AH33002-03.00 Airbag |
AH3300-06 Buffer (safety valve) For mud pump |
A3708 Triangular tape |
AH36001-05A.05.00 Stem guide |
AH33001-05.16A Valve spring |
AH36001-05.12A.00 Valve assembly (through hole valve) |
AH36001-05.16A Wear-resistant disc |
AH36001-05.19A Piston rod |
AH36001-05.23B Cylinder liner 170 |
AH36001-05.23 Cylinder liner 180 |
AH33001-05.19.03.00 Piston 140 |
AH33001-05.19.04.00 Piston 150 |
AH33001-05.19.05.00 Piston 160 |
AH33001-05.19.06.00 Piston 170 |
On-Site Fault Repair Cases (LT Clutch & AH Mud Pump)
Case 1: Clutch Airbag Rupture & Engagement Failure
Date: July 18, 2024 | Location: Changqing Oilfield, Shaanxi | Model: LT1168/305T clutch air bag | Load: 0.7MPa pneumatic working pressure | Issue: Airbag rubber fatigue and rupture, clutch unable to engage, draw-work inoperable | Repair Data: Replaced LT1168/305T airbag, cleaned clutch housing, tested air pressure regulation | Post-Repair Metrics: Airbag holds pressure steadily, clutch engages smoothly, passed 200-hour continuous operation test | Customer Feedback: "Perfect fit for our draw-work clutch, fixed the engagement issue instantly, and the airbag feels much more durable than the old one."
Case 2: Mud Pump Oil Seal Leakage & Mud Loss
Date: August 24, 2024 | Location: Tarim Oilfield, Xinjiang | Model: AH36001-04.08A.00 Double lip oil seal 5″x6.25×0.625″ | Load: 30MPa mud working pressure | Issue: Single-lip seal wear, severe mud leakage, insufficient pump pressure | Repair Data: Replaced double-lip oil seal, cleaned shaft surface, verified seal installation | Post-Repair Metrics: Zero mud leakage, pressure restored to 30MPa, passed 180-hour mud circulation test | Customer Feedback: "Dual-lip seal works perfectly for the AH36001 mud pump, eliminated leakage completely, and holds up great in heavy mud conditions."
Case 3: Bearing Seizure & Shaft Wobble
Date: September 10, 2025 |Location: Daqing Oilfield, Heilongjiang | Model: Bearing 32148 | Load: 50-ton radial shaft load | Issue: Bearing lubrication loss and seizure, draw-work shaft wobble, operational hazard | Repair Data: Replaced 32148 bearing, repacked with high-temperature grease, aligned drive shaft | Post-Repair Metrics: Shaft wobble eliminated, bearing runs cool, passed 240-hour load test | Customer Feedback: "Heavy-duty bearing fits perfectly, fixed the wobble issue, and runs smoothly with no heat buildup even under heavy load."
Frequently Asked Questions (FAQ)
Question | Answer |
Are these LT clutch parts compatible with all draw-work models? | These parts are designed specifically for LT500/125, LT500/250T, LT965/305T, and LT1168/305T clutches, matching OEM dimensions and pressure ratings for direct fit. |
What is the pressure rating of the AH36001 mud pump seals? | All AH36001 oil seals and sealing rings are rated for a maximum working pressure of 35MPa, with a 1.7x safety margin for high-pressure mud pumping. |
Do these bearings meet API 7K drilling equipment standards? | All heavy-duty bearings comply with API 7K draw-work standards and GB/T 3098 high-strength specifications, suitable for extreme drilling loads. |
Closing & Procurement Guidance
As a professional manufacturer and supplier of LT series clutch parts and AH36001/AH33001 mud pump spares, we leverage decades of oilfield drilling equipment manufacturing experience, strict adherence to API international and GB national standards, and field-proven product reliability to deliver high-performance, safety-certified replacement solutions for your drilling maintenance and procurement needs. All products include complete pressure test reports, load verification documents, and standard compliance certificates, serving as both a reliable procurement benchmark and a practical technical repair reference for your field maintenance team. Whether you need to replace a ruptured clutch airbag, worn mud pump seal, faulty bearing, or damaged piston, our parts resolve core drilling equipment failures, minimize unplanned downtime, and protect your critical drilling investment.We welcome you to submit a detailed procurement inquiry with your required part numbers, quantities, and wellsite application scenarios; our dedicated technical team will provide one-to-one compatibility verification, detailed product parameter breakdowns, and personalized purchasing support tailored to your operational requirements. Count on our durable, standard-compliant parts to keep your drilling draw-works and mud pumps operating safely, efficiently, and reliably for every well project.