Parts for DQ70BSC Top Drives, ZJ40/ZJ70 Drills (5303001820, 1R-0769, P2001357AA)

Introduction

We specialize in manufacturing and supplying high-precision, OEM-compatible industrial spare parts, engineered to fit and optimize the performance of a wide range of heavy-duty industrial equipment across oil drilling, hydraulic systems, electrical control, and mechanical transmission sectors. Our comprehensive product portfolio covers core components for DQ series top drives (DQ70, DQ70BS, DQ70BSC), ZJ series drilling rigs (ZJ20, ZJ40, ZJ40CZ, ZJ50, ZJ70, ZJ70/4500DZ), and drilling auxiliary equipment (slurry pumps, sand pumps, turbo torque converters). Key products include One-way Taper Pin P2001357AA, Top Drive Sealing Ring DQ70BSC 5303001820, Filter Element 1R-0769, ZJ70 Crane Gear Coupling 106.57.37.00, and ZJ40CZ Brake Disc W30-07-902. Every part is produced in compliance with international industry standards (API 7 for drilling equipment, ISO 9001 for quality management, IECEx for explosion-proof components, GB/T 1235-76 for O-rings, and GB/T 19001-2008 quality management standards), adhering strictly to OEM dimensional and performance specifications. We address the critical needs of oil and gas exploration, industrial maintenance, and drilling operations—where unplanned equipment downtime directly impacts productivity, safety, and operational costs. Our components are engineered to withstand harsh industrial conditions, including high pressure, heavy vibration, and extreme working environments, ensuring reliable performance and extended service life for critical machinery.

Core Purpose & Target User Needs

Target User Segments

Our spare parts are tailored to serve three core user groups with distinct, specialized needs: 1) Oil drilling companies operating DQ series top drives (DQ70, DQ70BS, DQ70BSC), ZJ series rigs (ZJ20, ZJ40, ZJ40CZ, ZJ50, ZJ70, ZJ70/4500DZ), and various drilling pumps (slurry pumps, sand pumps)—relying on critical components for safe, continuous, and efficient drilling operations; 2) Industrial maintenance teams responsible for hydraulic systems (hydraulic motors, valves, hoses, oil seals), mechanical components (bearings, bushings, shafts, couplings), electrical control systems (field exciter modules, indicator lights, aviation plugs), and transmission systems (chains, friction plates, torque converters); 3) Procurement departments and equipment distributors seeking reliable, cost-effective spare parts that match OEM specifications, with access to technical support for installation, troubleshooting, and maintenance—especially for critical components that directly impact equipment safety, operational efficiency, and compliance with industry standards.

Core Purpose

The primary goal of our industrial spare parts is toeliminate unplanned equipment downtime, extend machinery service life, and ensure safe, consistent operation in harsh industrial environments. We directly solve the top pain points of our users—including frequent part wear (sealing rings, friction plates, bearings), mismatched components causing system failure, difficulty sourcing OEM-compatible parts for specialized equipment (e.g., DQ70BSC top drives, ZJ70 cranes, ZJ40CZ brake systems), complex maintenance processes, and lack of reliable technical guidance—by delivering precision-manufactured parts that fit seamlessly with original equipment. Our parts balance durability, compatibility, and cost-effectiveness, helping users reduce long-term maintenance costs while maximizing operational efficiency and safety across drilling, hydraulic, electrical, and mechanical applications. We prioritize compliance with global industry standards, ensuring our products meet the rigorous requirements of high-demand industrial settings.

Product Overview

Key Product Categories & Models (with Equipment Compatibility)

Our product range covers all critical components required to keep your industrial equipment running efficiently, with clear compatibility to help you quickly identify the right part for your needs. Below are the core categories, key models, and their specific equipment fits:

• Seals & Gaskets: Oil Seal DW40C5003BZ000008, O Ring GB1235-76, O SEALING RING FOR Top Drive BPM-DQ70BSC 5303001820, Liner Rubber Ring Set 5P8057, Copper Sets EK140103-010123

• Filters & Filter Components: Filter Element 1R-0769, Filter Element LF-777, Turbo Torque Converter ZJ-40D 40D Oil Filter Element

• Mechanical Components & Bearings: One-way Taper Pin P2001357AA, Cam Bearing 4N6658, Bushing P1400178AA, Hollow Crankshaft AH130101020800, D073M Slurry Pump Shaft, Turntable Intermediate Drive Shaft ZJ20 (L=1855 2211FF), Pin Shaft on Open Pliers ZJ70 PSKSC-02, 90020532 Back Tong Pin Stopper, Circlips for Holes DQ70 4.10.10.011, Pressure Ring P1100326AA, Spacer P1100350AA, ADJUSTING PAD, MAIN SHAFT 9702020315

• Drill Rig & Top Drive Components: Crane ZJ70 Gear Coupling 106.57.37.00, Crane ZJ70/4500DZ Drilling Rig Nozzle 106.16.289.00, Brake Disc W30-07-902 (ZJ40CZ), Brake Device ZJ-70 High Pressure Rubber Hose A13Ⅱ-4000, Dynamic Friction Plate 508725, Static Friction Core N/A, The Chain P9100218AA, Flange P0200111AA

• Hydraulic & Pneumatic Components: Fan Hydraulic Motor MGG200 10 BC1A3 (SN:G497), Solenoid Two Position Three Way Valve 4900350304, Valve VA20-HB333/A20-HB166, Three-position Four-way Rotary Valve FKQ640-7 34QZ.00, Gear Oil Pump Device LWBZ406, Main Oil Pump P50A/P25/IP407/3139115017, Hydraulic Line ZJ50 A8 I-2000-M16×1.5, Hydraulic Line DQ70BS 50H0463 M30700

• Electrical & Control Components: TDQ(450DBZ) Cable-TD*CTL-E016-42-100-B, Baoji Youtai 100YT-3P+E-100A Aviation Plug, Indicator Light LY8Y2 Yellow (Cable Type Behind Panel), FIELD EXCITER MODULE DS3820FEDA1C1F, Remote Control Sign FKQ1440-14A BOM, Starter 10479047/1993947/37MT12V10T4.5KW

• Fastening & Connecting Components: Bolt 575520453L, L-Type Plug-in Threaded Joint ZJ40 QSL-1/2-16, Plug AH100101210705

• Drilling Auxiliary & Pump Components: Horizontal Sand Pump SB6″*8″, Three Cylinder ZJ40 Φ105×30, Y/G10II-2300 A6-Inner Casing Line, LIQUIDO METER YWZ-200T 3804000042

• Repair Kits & Other Components: Repair Kit 1906114, Repair Kit 2W6044, Faucet SL-450 Flushing Pipe Assembly 104.05.30.00

Function Description

Each of our spare parts is designed to perform a specific, critical function that directly impacts the safety, efficiency, and longevity of your equipment. Below is a simple, easy-to-understand breakdown of core functions for key product categories, aligned with real-world industrial applications:

1. Seals, Filters & Hydraulic Components

The O SEALING RING 5303001820 creates a tight, reliable seal for DQ70BSC top drives, preventing fluid leakage and protecting internal components from contamination. The Oil Seal DW40C5003BZ000008 seals rotating shafts in hydraulic systems, preventing oil leakage and ensuring system pressure stability. Filter Elements 1R-0769 and LF-777 remove contaminants from oil and fluid, ensuring clean operation of hydraulic, lubrication, and fuel systems. The Fan Hydraulic Motor MGG200 10 BC1A3 drives cooling fans, maintaining optimal operating temperatures for rig components. The Solenoid Two Position Three Way Valve 4900350304 controls hydraulic fluid flow, enabling precise operation of rig actuators and components.

2. Mechanical & Transmission Components

The One-way Taper Pin P2001357AA secures mechanical components in place, preventing loosening during high-vibration drilling. Cam Bearing 4N6658 and Bushing P1400178AA reduce friction between rotating and stationary components, ensuring smooth operation and extending part life. The ZJ70 Crane Gear Coupling 106.57.37.00 transmits power between crane components, accommodating misalignment and ensuring efficient power transfer. The Dynamic Friction Plate 508725 and Static Friction Core enable smooth engagement and disengagement of transmission systems, ensuring controlled power delivery. The Chain P9100218AA transfers power in rig transmission systems, supporting heavy loads and continuous operation.

3. Drill Rig & Top Drive Core Components

The ZJ40CZ Brake Disc W30-07-902 provides reliable braking performance for ZJ40CZ rigs, ensuring safe stopping during drilling operations. The ZJ70/4500DZ Drilling Rig Nozzle 106.16.289.00 sprays cooling fluid or cleaning agents, maintaining optimal operating conditions for drill bits and wellheads. The Pin Shaft on Open Pliers ZJ70 PSKSC-02 secures open pliers components, ensuring safe handling of drill pipes. The Back Tong Pin Stopper 90020532 prevents pin displacement in back tong systems, ensuring secure drill pipe clamping. The Hollow Crankshaft AH130101020800 and Slurry Pump Shaft D073M support rotating components in pumps and rigs, transmitting power and withstanding heavy loads.

4. Electrical, Control & Auxiliary Components

The TDQ(450DBZ) Cable-TD*CTL-E016-42-100-B transmits control signals between rig components, ensuring stable electrical communication. The FIELD EXCITER MODULE DS3820FEDA1C1F regulates electrical excitation for generators, maintaining stable power output. The Baoji Youtai 100YT-3P+E-100A Aviation Plug provides secure electrical connections in harsh environments, preventing signal loss or short circuits. The Indicator Light LY8Y2 Yellow provides visual feedback for rig system status, ensuring operators can monitor equipment performance. The Starter 10479047/1993947/37MT12V10T4.5KW starts rig engines and motors, ensuring reliable equipment startup.

Structural Features

Our spare parts are engineered with durability, compatibility, and ease of use in mind, featuring structural advantages that solve real-world challenges for industrial users. These features are designed to maximize performance, minimize maintenance, and meet global industry standards:

1. OEM-Level Precision & Compatibility

All parts are manufactured to match the exact dimensional and performance specifications of original equipment, including DQ70BSC top drives (Sealing Ring 5303001820), ZJ series rigs (ZJ70 Gear Coupling 106.57.37.00, ZJ40CZ Brake Disc W30-07-902), and drilling pumps (Slurry Pump Shaft D073M), ensuring seamless integration without modifications. For example, the L-Type Plug-in Threaded Joint ZJ40 QSL-1/2-16 is precision-machined to fit ZJ40 rig hydraulic lines, and the ADJUSTING PAD 9702020315 is tailored for main shaft alignment—eliminating the risk of mismatched parts and system failure. The O Ring GB1235-76 complies with national standards, ensuring compatibility with a wide range of hydraulic systems.

2. High-Durability Materials & Construction

Critical components are made from premium materials to withstand harsh industrial conditions: The DQ70BSC Sealing Ring 5303001820 is made from high-temperature, oil-resistant rubber, capable of withstanding extreme pressure and preventing leakage. Bearings (4N6658) and bushings (P1400178AA) are constructed from hardened steel and wear-resistant alloys, ensuring long service life in high-load, high-vibration environments. The ZJ70 Gear Coupling 106.57.37.00 features a robust design with heat-treated gears, providing superior torque transmission and durability. The Brake Disc W30-07-902 is made from high-strength steel, withstanding high temperatures and wear during braking. The Hollow Crankshaft AH130101020800 is forged from high-quality steel, ensuring resistance to fatigue and fracture.

3. User-Friendly & Maintenance-Friendly Design

Many parts feature modular and easy-to-install designs to reduce maintenance time and labor costs. Repair Kits 1906114 and 2W6044 include all necessary components for quick repairs, minimizing downtime. Filter Elements 1R-0769 and LF-777 are designed for easy replacement, allowing maintenance teams to quickly service filter systems. The One-way Taper Pin P2001357AA and Circlips for Holes DQ70 4.10.10.011 feature standard sizes, making them easy to install and replace with common tools. The Aviation Plug 100YT-3P+E-100A features a plug-and-play design, simplifying electrical connections. The Hydraulic Line DQ70BS 50H0463 M30700 comes with pre-installed fittings, reducing installation time.

4. Compliance with Global Industry Standards

All our parts meet or exceed international industry standards, including API 7 (for drilling equipment), ISO 9001 (quality management), IECEx (for explosion-proof components), and GB/T 1235-76 (for O-rings). We adhere to strict quality control processes throughout production, ensuring each part meets OEM performance requirements. Hydraulic components (valves, hoses, pumps) meet pressure rating standards for high-pressure applications, and electrical components (field exciter modules, aviation plugs) comply with industrial electrical safety standards. The API 7-compliant top drive and rig components ensure reliable performance in critical drilling operations, while standard-compliant seals and bearings meet global quality requirements.

Applicable Working Conditions

Our spare parts are engineered to perform reliably in the most challenging industrial environments, making them suitable for the following scenarios—with a focus on compatibility and durability:

• Oil Drilling Sites: Compatible with DQ70/DQ70BS/DQ70BSC top drives, ZJ20/ZJ40/ZJ40CZ/ZJ50/ZJ70 rigs, and drilling pumps (slurry pumps, sand pumps), operating in high-temperature (up to 150℃), high-pressure (up to 200MPa), dusty, humid, and high-vibration environments—ideal for onshore and offshore drilling operations.

• Industrial Hydraulic & Transmission Systems: Suitable for hydraulic motors, valves, gear couplings, and chains, operating in high-pressure, high-vibration environments where reliable fluid control and power transmission are critical.

• Electrical & Control Systems: Perfect for field exciter modules, aviation plugs, indicator lights, and control cables, operating in harsh industrial environments where stable electrical performance and reliable signal transmission are essential.

• Hazardous & Heavy-Duty Environments: Our parts are designed to withstand heavy loads, constant vibration, and exposure to dust, oil, and chemicals—suitable for mining, construction, and oilfield operations where equipment reliability is essential. Electrical components meet safety standards for hazardous areas, while mechanical parts withstand extreme wear and tear.

Maintenance & Care Recommendations

Proper maintenance of spare parts is essential to extend their service life, ensure optimal equipment performance, and reduce unplanned downtime. Below are practical, easy-to-follow tips for daily use and maintenance, tailored to the unique needs of industrial drilling and hydraulic equipment:

1. Regular Inspection

Inspect seals (5303001820, DW40C5003BZ000008), filters (1R-0769, LF-777), and bearings (4N6658) monthly for wear, damage, or leakage—replace immediately if issues are found to prevent system failure. Check electrical components (DS3820FEDA1C1F module, 100YT-3P+E-100A plug) for loose connections or damage, as these can compromise equipment control. Inspect gear couplings (106.57.37.00) and friction plates (508725) for wear after each drilling shift, as excessive wear can reduce transmission efficiency. Examine top drive components (5303001820 sealing ring, PSKSC-02 pin shaft) for mud buildup and damage.

2. Cleaning & Lubrication

Clean filter elements (1R-0769, LF-777) every 3 months to remove debris and prevent clogging—replace filters if they are heavily contaminated. Lubricate bearings (4N6658), bushings (P1400178AA), gear couplings (106.57.37.00), and chains (P9100218AA) with high-temperature, heavy-duty lubricating grease to reduce friction and wear. Flush hydraulic lines (ZJ50 A8 I-2000-M16×1.5, DQ70BS 50H0463 M30700) and valves (4900350304, VA20-HB333) annually to remove contaminants and maintain fluid flow. Clean top drive components and electrical plugs (100YT-3P+E-100A) regularly to prevent mud buildup and ensure accurate operation. Wipe down brake discs (W30-07-902) to remove dust and debris, ensuring optimal braking performance.

3. Storage Guidelines

Store spare parts in a dry, clean, and temperature-controlled environment (10-25℃) to avoid rust, corrosion, and material degradation. Seals and rubber components (5303001820, GB1235-76 O-ring) should be stored away from direct sunlight, heat sources, and chemicals to prevent aging and cracking. Electrical components (DS3820FEDA1C1F module, indicator lights) should be stored in anti-static packaging to protect sensitive electronics from static damage. Metal components (bearings, shafts, couplings) should be coated with anti-rust oil during storage to prevent corrosion. Fasteners and small parts should be stored in organized containers to avoid loss or damage.

4. Replacement Schedule

Follow these recommended replacement intervals to ensure optimal performance and safety: Filters and filter elements every 6 months or 500 operating hours; seals and O-rings every 6-12 months (or sooner if leakage is observed); bearings (4N6658) and bushings (P1400178AA) every 24 months or during equipment overhauls; gear couplings (106.57.37.00) and friction plates (508725) every 18-24 months (depending on usage); electrical components (field exciter modules, starters) every 5 years or if performance issues arise. Repair kits should be used to service components at the first sign of wear, and brake discs (W30-07-902) should be replaced if they show signs of warping or excessive wear.

We supply the following spare parts:

On-Site Fault Repair Cases

Below are three real-world repair cases from our clients, demonstrating how our spare parts solve common equipment issues, minimize downtime, and restore optimal performance. These cases reflect actual scenarios in oil drilling and industrial operations, highlighting the reliability of our components:

Case 1: DQ70BSC Top Drive Fluid Leakage

Problem: A drilling company reported their DQ70BSC top drive was experiencing severe fluid leakage, leading to reduced hydraulic system pressure and increased maintenance costs. Root Cause: Worn original O sealing ring unable to withstand high pressure, resulting in seal failure. Solution: Replaced with our O SEALING RING DQ70BSC 5303001820 and inspected the top drive hydraulic system for other potential leaks. Result: Fluid leakage completely stopped, hydraulic system pressure restored, and maintenance costs reduced—downtime reduced to 1 hour, with reliable performance for 10 months of daily use.

Case 2: ZJ70 Crane Gear Coupling Failure

Problem: A ZJ70 rig’s crane was unable to transmit power properly, causing lifting delays and operational inefficiencies. Root Cause: Worn original gear coupling 106.57.37.00, resulting in power loss and increased vibration. Solution: Installed our ZJ70 Crane Gear Coupling 106.57.37.00 and aligned the crane transmission system. Result: Power transmission restored, vibration reduced, and crane operation stabilized—downtime reduced to 2 hours, with no further issues after 9 months.

Case 3: ZJ40CZ Rig Brake System Malfunction

Problem: A ZJ40CZ rig’s brake system was failing to stop reliably, posing serious safety risks during drilling operations. Root Cause: Warped original brake disc W30-07-902, reducing braking efficiency and causing uneven wear. Solution: Replaced with our Brake Disc W30-07-902 (ZJ40CZ) and adjusted the brake calipers. Result: Braking performance restored, safety risks eliminated, and rig operation resumed safely—downtime reduced to 1.5 hours, with consistent performance since replacement.

FAQ (Frequently Asked Questions)

Procurement Guide & Technical Problem-Solving Reference

Procurement Reference Standards

To ensure you select the right spare parts for your equipment, follow these simple procurement guidelines—focused on compatibility, quality, and compliance:

• Match your equipment model (e.g., DQ70BSC, ZJ70, ZJ40CZ) with the corresponding part number or specification (e.g., 5303001820, 1R-0769, P2001357AA) for precise compatibility. For OEM-specific parts, verify the original part number to ensure a perfect fit.

• Verify the part’s material and performance specifications (e.g., high-pressure seals for hydraulic systems, wear-resistant bearings for transmission, explosion-proof electrical parts) to ensure it fits your working conditions. For hydraulic components, check pressure rating compliance; for electrical parts, confirm IECEx certification if needed.

• Check for industry certifications (API 7, ISO 9001, IECEx) to ensure the part meets safety and performance standards for your application, especially in critical drilling or hazardous operations. This ensures compliance and reduces the risk of equipment failure.

Technical Problem-Solving Reference

Our spare parts are designed to solve common technical issues in industrial equipment. Below are key references to help you troubleshoot quickly and minimize downtime:

• DQ70BSC top drive fluid leakage: Replace the O SEALING RING 5303001820 to eliminate leakage, restore hydraulic pressure, and protect top drive components.

• ZJ70 crane power transmission failure: Replace the Gear Coupling 106.57.37.00 to restore power transfer, reduce vibration, and stabilize crane operation.

• ZJ40CZ rig brake malfunction: Replace the Brake Disc W30-07-902 to restore reliable braking, eliminate safety risks, and resume drilling operations.

Call to Action for Procurement

Whether you need a single component (e.g., O SEALING RING 5303001820, ZJ70 Gear Coupling 106.57.37.00, ZJ40CZ Brake Disc W30-07-902) or a full set of spare parts for your DQ series top drive, ZJ rig, or drilling auxiliary equipment, we are here to meet your needs. Our parts offer superior durability, OEM-level compatibility, and compliance with international industry standards—backed by professional technical support and strict quality assurance. We prioritize delivering reliable components that keep your equipment running safely and efficiently, reducing unplanned downtime and long-term maintenance costs. Contact us today to discuss your specific requirements, get a detailed quote, and secure the spare parts you need to maintain optimal operational performance. We are committed to providing the most reliable solutions for your industrial drilling, hydraulic, electrical, and mechanical equipment needs.

contact us ：

Emeil: [email protected]   whatsapp: +86 15275658619

Should you have any purchase intentions, please contact us – we will offer you our most favorable price.