SPQ121-66 Drill Bit Loader, XJ550 Auxiliary Brake Friction Pad

Product Introduction

We specialize in the production and supply of high-precision, OE-compatible spare parts for onshore drilling rigs, mud pumps, winch assemblies, crane assemblies, hydraulic systems, transmission boxes, cementing equipment, and supporting power transmission, braking, steering, and well completion components. Our product range covers core components such as Main roller brake friction system XJ550 Auxiliary brake friction pad WCB224, SPQ121-66 Drill Bit Loader, floating shoes FX conventional φ244.5, Power System PSZ65 Hydraulic Disc Brake Cylinder Repair Kit PSZ65, and more than 45 other key parts listed. All our products are precision-engineered to match specific equipment models, including XJ series (XJ350, XJ450, XJ550, XJ650), ZJ series (ZJ30/1700CZ, ZJ40), F-series (F-1000, F-1300, F-1600), 3NB series (3NB-1300, 3NB-1300C), SPQ121-66 equipment, PSZ65 hydraulic disc brake, GJC45-21 cementing hydraulic system, SNC series (SNC-40-17, SNC-400), and GJQ100-30Ⅱ cement truck—directly addressing the core operational needs of target users for reliable, compatible, and durable drilling equipment spare parts.

Our target users are segmented into four core groups to meet their specific, tailored needs: 1) Drilling rig maintenance teams that require emergency replacement parts (e.g., friction pads, oil seals, repair kits) to repair rig systems, minimizing unplanned downtime; 2) Oilfield operation companies that need full-set spare parts (e.g., drill bit loaders, floating shoes, grading hoop adapters) to maintain daily drilling, cementing, well completion, and well control operations; 3) Drilling equipment rental companies that prioritize long-service-life components (e.g., hydraulic pumps, valve centralizers, tool joints) to reduce replacement costs and enhance fleet availability; 4) Cementing and well completion operators that need compatible parts (e.g., packing assemblies, seat adapter kits, cannulas) to ensure equipment efficiency and operational safety. We solve the industry’s common pain points of low-quality, mismatched replacement parts—such as poor fit, sealing failure, hydraulic/air leakage, brake wear, and component premature damage—which often lead to increased operational costs, drilling project delays, and safety hazards.

Core Purpose

The core purpose of our full range of drilling equipment spare parts (including SPQ121-66 Drill Bit Loader, WCB224 XJ550 Auxiliary Brake Friction Pad, PSZ65 Hydraulic Disc Brake Cylinder Repair Kit, and FX φ244.5 Floating Shoes) is to provide 100% OE-compatible, high-performance replacements that ensure the safe, stable, and efficient operation of drilling rigs, mud pumps, hydraulic systems, and supporting power transmission components. Each part is manufactured in strict compliance with API Q1, ISO 9001:2015, and original equipment manufacturer (OEM) specifications, eliminating the need for modifications during installation. Our parts support the normal operation of key drilling functions—including braking (friction pads, hydraulic disc brake kits), well completion (floating shoes, grading hoops, cannulas), drilling tool handling (drill bit loaders, connection sleeves), fluid transfer (high pressure hoses, hydraulic pumps), and cementing (packing assemblies, pressure regulating valves)—helping users reduce maintenance time, lower replacement costs, avoid unplanned downtime, and ensure compliance with oilfield operational safety standards.

Function Description

Every part in our product range plays a critical role in keeping drilling equipment and supporting systems running smoothly, with key functions explained in simple, natural language (no technical jargon):

• SPQ121-66 Drill Bit Loader: A core component of SPQ121-66 drilling equipment, designed to safely load and unload drill bits during drilling operations, reducing manual labor and ensuring efficient tool handling.

• Main roller brake friction system XJ550 Auxiliary brake friction pad WCB224: Provides auxiliary braking force for the XJ550 main roller brake system, reducing wear on the main brake and ensuring safe and reliable braking during drilling and lifting operations.

• floating shoes FX conventional φ244.5: A well completion component for 244.5mm wellbores, guiding the casing during running and preventing cement leakage, ensuring stable cementing quality.

• Power System PSZ65 Hydraulic Disc Brake Cylinder Repair Kit PSZ65: A complete repair solution for the PSZ65 hydraulic disc brake cylinder, including all necessary components to fix leaks, wear, or failure, restoring the brake system’s performance.

• Other Key Parts: Components like AH36001-19.01.00 F-1300 filter assembly (for air filtration), 852XGAKP-F6 XJ450 hydraulic pump clutch (for pump operation), 7″ Grading Hoop Adapter (for well completion), and SJS600 4-1/2″ packing assembly (for cement truck pumps) work together to ensure the coordinated, safe operation of the entire drilling system.

Structural Features

General Structural Advantages

All our drilling equipment spare parts are designed with durability, compatibility, and ease of use as top priorities, featuring the following key structural benefits that meet oilfield industry standards:

• High-Quality Material Selection: Sealing components (AH36001-04.08A F-1600 center rod double lip oil seal, PD150*180*15mm skeleton oil seal, AH36001.04.21 3NB-1300 oil seal ring) use high-temperature, oil-resistant, and pressure-resistant rubber/PTFE materials to ensure tight sealing and long service life. Structural parts (SPQ121-66 drill bit loader, WCB224 friction pad, XJ450 lift cylinder repair kit) are made of high-grade alloy steel or wear-resistant materials to enhance hardness, wear resistance, and load-bearing capacity. Flexible components (LT 1170*250T ventilated airbag, high pressure hose φ19*35MPa*10m) use high-elasticity rubber or reinforced materials to withstand harsh conditions, while well completion parts (floating shoes, grading hoop adapters) use corrosion-resistant materials for wellbore compatibility.

• Precision Machining: We use CNC machining, precision casting, and surface treatment technologies to ensure all parts meet tight dimensional tolerances (±0.02mm for key dimensions), so they fit perfectly with OEM equipment. For example, 237-1962CW XJ-550 hydraulic oil pump, E4022000000XL XJ450 lift cylinder repair kit, and 3PC-270 SNC-400 plunger have precise dimensions to ensure seamless installation and stable operation.

• Wear & Corrosion Resistance: Critical components (friction pads, hydraulic pumps, tool joints) are treated with carburizing, nitriding, or anti-corrosion coatings to enhance wear and corrosion resistance. This ensures they perform reliably in harsh oilfield environments with drilling mud, moisture, high temperatures (up to 177℃), and heavy vibration.

• Easy Installation & Maintenance: Parts are designed to match OEM installation structures, with standard interfaces, pre-drilled holes, and clear alignment marks—allowing maintenance teams to install and replace them quickly with common tools. For example, PSZ65 hydraulic disc brake cylinder repair kit, E4022000000XL lift cylinder repair kit, and QSL-1/2-16 ZJ40 right-angle joint can be installed in minutes to hours without special equipment.

Key Part-Specific Structural Features

• SPQ121-66 Drill Bit Loader: Heavy-duty steel frame for stable operation, with adjustable clamping arms to fit different drill bit sizes. It features anti-slip surfaces to secure the drill bit during loading and unloading, reducing the risk of tool damage.

• Main roller brake friction system XJ550 Auxiliary brake friction pad WCB224: High-density friction material for strong braking force and long wear life, with a precise fit to the XJ550 main roller brake system. It is designed to withstand high temperatures generated during braking, ensuring reliable performance.

• Power System PSZ65 Hydraulic Disc Brake Cylinder Repair Kit PSZ65: Complete kit including seals, gaskets, and wear parts, all OEM-matched to the PSZ65 hydraulic disc brake cylinder. The components are pre-sized and pre-fitted, eliminating the need for on-site adjustments and ensuring quick and reliable repairs.

Applicable Working Conditions

Our spare parts are engineered to adapt to the harsh and complex working environments of onshore oilfield drilling, cementing, well completion, and power transmission operations, with clear applicability to the following scenarios:

• XJ Series Drilling Rigs: Suitable for XJ350, XJ450, XJ550, and XJ650 drilling rigs, including parts like WCB224 auxiliary brake friction pad, 852XGAKP-F6 hydraulic pump clutch, B001-XJ450 front axle brake cylinder, and 237-1962CW hydraulic oil pump—optimized for the rigs’ power, hydraulic, braking, and winch systems.

• ZJ Series & Crane/Winch Assemblies: Compatible with ZJ30/1700CZ, ZJ40 drilling rigs (E720-0900000 angle gearbox oil seal assembly, QSL-1/2-16 right-angle joint), and XJ350/XJ650 winch assemblies (5401900004 main roller clutch air bag, HD-2-FX main drum combination valve)—ensuring stable operation of lifting, steering, and winch components.

• F-Series & Mud Pump Equipment: Suitable for F-1000/F-1300/F-1600 hydraulic boxes (AH36001-04.08A oil seal, AH36001-19.01.00 filter assembly, 8V-4L-9500 pump belt), 3NB series mud pumps (107.164.05 high pressure elbow, 107.04A.160.03-1 gasket, AH36001.04.21 oil seal ring)—supporting the stable operation of hydraulic and fluid transfer systems.

• Cementing & Well Completion: Compatible with GJQ100-30Ⅱ cement trucks (SJS600 packing assembly), GJC45-21 cementing hydraulic systems (10C02.261 T6ECM double pump), SNC series (SNC-40-17 pressure regulating valve, SNC-400 plunger), and well completion tools (FX φ244.5 floating shoes, 7″/9-5/8″ grading hoop adapters, MWB 13-3/8″ seat adapter kit).

• Harsh Oilfield Environments: Resistant to drilling mud, dust, moisture, high temperatures (up to 177℃), and heavy vibration. Parts like SPQ121-66 drill bit loader, LT 1170*250T ventilated airbag, and high pressure hose φ19*35MPa*10m perform reliably in these conditions for long periods.

Maintenance and Care Recommendations

Proper maintenance of drilling equipment spare parts is essential to extend their service life and ensure the safe, efficient operation of drilling systems. Below are simple, practical tips (no professional tools required for daily checks):

Routine Inspection (Daily/Weekly)

• Check sealing components (AH36001-04.08A oil seal, PD150*180*15mm skeleton oil seal, AH36001.04.21 oil seal ring) daily for leakage. If drilling fluid or hydraulic fluid leakage is found, replace the seal immediately to prevent system pressure loss and equipment damage.

• Inspect friction pads (WCB224 XJ550 auxiliary brake friction pad) and airbags (5401900004 XJ350 air bag, LT 1170*250T ventilated airbag) weekly for wear, cracks, or deformation. Replace damaged parts to ensure reliable braking and clutch performance.

• Check filters (AH36001-19.01.00 F-1300 filter assembly, P551311 FC2251 diesel filter element, IR0749 fuel primary filter) weekly for clogging. Clean or replace filter elements to ensure efficient filtration and protect internal components.

Cleaning and Lubrication (Monthly)

• Clean drill bit loaders (SPQ121-66), grading hoop adapters (7″/9-5/8″), and tool joints (tool joint thread gauge 6-5/8″) monthly to remove drilling mud and debris. Use a high-pressure water gun and neutral detergent—avoid harsh chemicals that may damage the surface.

• Lubricate hydraulic pumps (237-1962CW XJ-550), clutch assemblies (852XGAKP-F6 XJ450), and winch components with high-temperature, anti-wear lubricating grease. Apply grease evenly to all moving surfaces to reduce friction and wear.

• Clean high pressure hoses (φ19*35MPa*10m) and joints (QSL-1/2-16 ZJ40) monthly to remove deposits and ensure smooth fluid flow. Inspect hose connections for looseness and tighten if needed to prevent leakage.

Storage Requirements (Long-Term Storage)

• Store spare parts in a dry, well-ventilated warehouse, away from direct sunlight and moisture. Use waterproof covers for metal components (drill bit loaders, friction pads, hydraulic pumps) to prevent rust or corrosion.

• Store sealing components (oil seals, skeleton oil seals) and rubber parts (airbags, high pressure hoses) in sealed plastic bags at room temperature (15-25℃) to avoid aging. Do not store them near high-temperature or ozone-generating equipment.

• Store repair kits (PSZ65 hydraulic disc brake cylinder repair kit, E4022000000XL lift cylinder repair kit), filters, and small parts (flat keys, rubber plugs) in labeled boxes to ensure easy retrieval. Keep well completion tools (floating shoes, seat adapter kits) in clean, dry packaging to prevent contamination.

We supply the following spare parts:

On-Site Fault Repair Cases (Real Scenarios)

Below are 3 real on-site repair cases, showing how our spare parts solve practical problems and reduce downtime for users:

Case 1: Auxiliary Brake Friction Pad (WCB224) Replacement for XJ550 Drilling Rig

Fault Description: An XJ550 drilling rig’s main roller brake system experienced reduced braking performance, with longer stopping distances during lifting operations. The maintenance team identified that the original WCB224 auxiliary brake friction pad was severely worn, reducing braking force.

Repair Process: The team replaced the worn friction pad with our WCB224 XJ550 Auxiliary Brake Friction Pad. They removed the old pad, installed the new one, adjusted the brake clearance, and tested the braking performance.

Result: Braking performance was fully restored, with shorter stopping distances and reliable auxiliary braking. The drilling rig was back to safe operation within 1.5 hours. Our friction pad’s high-density material has maintained stable performance for 8 months, ensuring safe drilling and lifting operations.

Case 2: Hydraulic Disc Brake Cylinder Repair Kit (PSZ65) Replacement for PSZ65 Brake System

Fault Description: A PSZ65 hydraulic disc brake system experienced severe leakage, causing the brake to fail to engage properly. The maintenance team found that the brake cylinder’s seals were worn, and the piston had minor damage—requiring a complete repair solution.

Repair Process: The team used our PSZ65 Hydraulic Disc Brake Cylinder Repair Kit to overhaul the brake cylinder. They disassembled the cylinder, replaced all worn seals, gaskets, and damaged parts from the kit, reassembled the cylinder, and tested the brake system.

Result: The leakage stopped completely, and the brake system resumed normal operation. The drilling rig’s braking function was restored, and it was back to work within 3 hours. Our repair kit’s OEM-matched components have maintained reliable performance for 7 months, eliminating unplanned downtime.

Case 3: Drill Bit Loader (SPQ121-66) Replacement for SPQ121-66 Equipment

Fault Description: An SPQ121-66 drilling auxiliary equipment’s drill bit loader failed to clamp the drill bit securely, causing tool slippage during loading. The maintenance team found that the original loader’s clamping arms were worn, with reduced gripping force.

Repair Process: The team replaced the faulty loader with our SPQ121-66 Drill Bit Loader. They removed the old loader, installed the new one, adjusted the clamping arms to fit the drill bit size, and tested the loading and unloading operation.

Result: The drill bit was clamped securely, and the SPQ121-66 equipment resumed efficient tool handling. The auxiliary equipment was back to work within 2 hours. Our loader’s heavy-duty design has maintained stable clamping force for 9 months, ensuring safe and efficient drill bit handling.

FAQ (Frequently Asked Questions)

Procurement & Technical Reference Standards

Procurement Reference Standards (For Easy Purchasing)

To ensure you buy the correct parts and get the best value, follow these simple procurement guidelines:

• Confirm Part Details: Provide the exact part name, model, and equipment compatibility (e.g., SPQ121-66 drill bit loader, WCB224 friction pad for XJ550, PSZ65 repair kit) when placing an order. If you don’t have the full details, share a photo of the old part or equipment model, and we will help you match the correct part.

• Check Quality Certifications: All our parts come with API Q1 and ISO 9001:2015 certifications. We can provide material test reports (MTR) and quality inspection certificates upon request, ensuring you get high-quality, reliable products that meet oilfield industry standards.

• Bulk Order Benefits: For regular customers or large orders (e.g., bulk friction pads, seals, filters), we offer competitive pricing and customized stock solutions to meet your long-term operational needs, reducing your overall procurement costs.

Technical Problem Reference Standards (For Troubleshooting)

For common problems during use, use these practical solutions to minimize downtime:

• Reduced Brake Performance: If the XJ550 main roller brake has reduced braking force, check the WCB224 auxiliary brake friction pad for wear. Replace the friction pad to restore reliable braking performance.

• Hydraulic Disc Brake Leakage: If the PSZ65 hydraulic disc brake leaks, use our PSZ65 Hydraulic Disc Brake Cylinder Repair Kit to replace worn seals and gaskets. This complete kit ensures a full repair and restores the brake system’s function.

• Drill Bit Loader Slippage: If the SPQ121-66 drill bit loader fails to clamp the drill bit, check the clamping arms for wear. Replace the loader to ensure secure tool handling and efficient drilling operations.

Conclusion & Procurement Guidance

Our full range of drilling equipment spare parts—including SPQ121-66 Drill Bit Loader, WCB224 XJ550 Auxiliary Brake Friction Pad, PSZ65 Hydraulic Disc Brake Cylinder Repair Kit, and FX φ244.5 Floating Shoes—are designed to solve your core operational challenges: unplanned downtime, high replacement costs, and incompatible parts. With strict quality control, precision manufacturing, and 100% OEM compatibility, our parts ensure your XJ/ZJ series drilling rigs, F-series hydraulic boxes, 3NB series mud pumps, and supporting equipment run safely, stably, and efficiently in even the harshest oilfield environments.

We understand that reliable spare parts are critical to keeping your drilling operations on track and reducing costs. Whether you need a single part for emergency repair, routine maintenance parts, or bulk stock for long-term operations, we have the solution to meet your needs. Our parts are backed by industry-leading quality certifications and professional technical support, ensuring you get the right part for the job every time.

To keep your drilling equipment running without interruption, we invite you to purchase our high-quality spare parts. Simply provide the part details you need (e.g., SPQ121-66, WCB224, PSZ65) or your equipment specifications, and we will provide you with competitive pricing and reliable supply solutions. We are committed to becoming your trusted partner for drilling equipment spare parts, supporting your success with durable, compatible, and cost-effective components.

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Emeil: [email protected]   whatsapp: +86 15275658619

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