TEDA Z6-136, 12AZ-63 Spare Parts

Introduction: Why Quality Power Tong Spare Parts Are a Must for Uninterrupted Drilling

If you’ve ever stood on a drilling site and watched a power tong grind to a halt, you know the frustration—and the cost. Imagine your TEDA XQ114-6B hydraulic power tong failing because its Z6-136 hanger assembly cracks mid-operation: tubing makeup stops, your crew is idle, and you’re bleeding $11,000 in downtime every hour. Or a TEDA XQ140 tubing power tong breaking down because a 12AZ-63 centring roller axle wears out, leaving you stuck with a pile of unconnected tubing and a tight production deadline. Hydraulic and tubing power tongs are the workhorses of drilling—they make up and break out tubing connections quickly, safely, and efficiently—and every spare part, from a tiny Z6-8 hexagon screw to a heavy-duty 12AZ-73 hydraulic motor, is critical to their performance. Our spare parts are engineered to match the exact specifications of TEDA power tongs, fitting XQ114-6B, XQ140, XQ140/12YA, TQ340, and ZQ127/25 models. These aren’t just generic replacements; they’re the components that keep your power tongs running smoothly, your crew productive, and your drilling operations on track—no more unexpected breakdowns, no more costly delays.

Product Overview

Our comprehensive lineup of power tong spare parts covers every critical component needed to maintain TEDA hydraulic and tubing power tongs, including core models like the Z6-136 hanger assembly (XQ114-6B), 12AZ-63 centring roller axle (XQ140), Z6-71 jaw set bracket (XQ114/6B), 12AZ-73 hydraulic motor (XQ140-12YA), and TQ340-90 spring (TQ340). The range includes structural components (hanger assemblies, roller shafts, support frames, main shafts), functional parts (gears, shifting forks, hydraulic valves, torque meters), fasteners (screws, bolts, cotter pins, washers), seals (O-rings), and wear parts (rollers, friction discs, bearing discs). Each component is precision-manufactured to match TEDA’s original part specifications, ensuring 100% interchangeability with XQ114-6B, XQ140, XQ140/12YA, TQ340, and ZQ127/25 power tongs. Whether you need a single Z6-39 grease nipple for a quick maintenance check, a 12AZ-260 torque meter (60-16KN.m) for your XQ140 tong, or a full set of TQ340-169 idler gears for an overhaul, our lineup has you covered. We focus on the parts that matter most—those that keep your power tongs operating at peak efficiency, withstanding the rigors of daily drilling use.

Function Description

Every power tong spare part serves a specific, critical function—miss one, and your entire operation can grind to a halt. Let’s break down their roles, from the largest to the smallest: Hanger assemblies (Z6-136) support the weight of the power tong head, ensuring stable operation during tubing makeup and breakout. Centring roller axles (12AZ-63) hold roller sleeves in place, keeping tubing aligned and preventing misalignment during connection. Jaw set brackets (Z6-71) secure the jaw sets that grip tubing, ensuring a tight hold for safe makeup/breakout. Hydraulic motors (12AZ-73) provide the power to drive the tong’s gears, enabling smooth, consistent rotation. Torque meters (12AZ-260) monitor and display torque levels (60-16KN.m), ensuring connections meet industry standards and preventing over-torquing. Gears (12AZ-49, TQ340-169) transfer power from the motor to the tong head, enabling precise control of rotation speed. Shifting forks (12AZ-131, Z6-122) adjust gear positions, allowing the tong to switch between makeup and breakout modes. Fasteners (Z6-8, 12AZ-147) secure components in place, preventing vibration-induced loosening. O-rings (12AZ-234, 12AZ-245) create leak-tight seals in hydraulic systems, ensuring consistent hydraulic pressure. Wear parts (12AZ-54 friction discs, 12AZ-11 needles) absorb friction and reduce component wear, extending the life of the power tong. Every part works together to ensure your power tongs operate safely, efficiently, and reliably—failures in even the smallest component (like a 12AZ-134 cotter pin) can lead to costly downtime.

Structural Features

Our power tong spare parts are engineered to withstand the extreme conditions of drilling—high vibration, heavy loads, temperature fluctuations, and exposure to dirt and fluids—with structural features that prioritize durability, strength, and long service life. The Z6-136 hanger assembly is made from alloy steel with a hardness of 36 HRC, a tensile strength of 850 MPa, and a maximum load capacity of 25,000 lbs, ensuring it can support the weight of the XQ114-6B tong head. Centring roller axles (12AZ-63) are constructed from carbon steel with a chrome-plated surface, a diameter of 18mm, a length of 120mm, and a dimensional tolerance of ±0.001″, resisting wear and corrosion. Jaw set brackets (Z6-71) feature a reinforced steel frame with a heat-treated surface (hardness 40 HRC), ensuring they can withstand the pressure of gripping tubing. Hydraulic motors (12AZ-73) have a maximum operating pressure of 210 bar (3045 PSI), a displacement of 100 cc/rev, and a maximum speed of 1500 RPM, delivering consistent power. Torque meters (12AZ-260) have a measurement range of 60-16000 N.m, an accuracy of ±1%, and a working temperature range of -20°C to 80°C. O-rings (12AZ-245) are nitrile 70 durometer, with an ID of 16mm and CS of 2.4mm, a tensile strength of 15 MPa, and resistance to hydraulic fluids. Needle rollers (12AZ-11) are 4mm x 25.8mm, made from high-carbon steel with a hardness of 62 HRC, ensuring smooth rotation and long life. All components feature precision machining to match TEDA’s original dimensions, with smooth surfaces to reduce friction and prevent premature wear. These structural features ensure our parts outperform generic alternatives, delivering reliable performance in the harshest drilling environments.

Applicable Working Conditions

Our power tong spare parts are designed to perform in the most demanding drilling environments, both on land and offshore, across a wide range of operating conditions. Onshore oilfields—where dust, vibration, and temperature fluctuations are common—benefit from our dust-resistant grease nipples (Z6-39), corrosion-resistant chrome-plated roller axles (12AZ-63), and heat-treated gears (12AZ-49), which withstand exposure to dirt and harsh weather. Offshore drilling platforms, where saltwater immersion, high humidity, and constant vibration are prevalent, use our saltwater-resistant O-rings (12AZ-234) and stainless steel fasteners (12AZ-147), which resist corrosion and maintain performance in wet conditions. High-vibration environments (10-2500 Hz) are covered by our shock-resistant hanger assemblies (Z6-136) and reinforced shifting forks (12AZ-131), which maintain their structural integrity even under constant vibration. Our parts operate in extreme temperatures, from -20°C (for cold northern oilfields) to 80°C (for high-temperature drilling applications), with hydraulic motors (12AZ-73) capable of operating at 100°C for short periods. High-load environments (up to 25,000 lbs for hanger assemblies) are handled by our high-strength alloy steel components, which can withstand peak loads of 37,500 lbs. Additionally, our parts are suitable for use in high-pressure hydraulic systems (up to 210 bar), ensuring consistent performance in power tong hydraulic circuits. Whether you’re drilling in the desert, offshore, or in cold climates, our spare parts are built to handle the challenge, tested in real-world drilling scenarios to ensure consistent performance.

Maintenance and Care Recommendations (Field Engineer Tips)

After 11 years of maintaining TEDA power tongs on drilling sites, I’ve learned that proper maintenance is the key to extending part life and avoiding costly downtime. Here are my practical, on-site tips that actually work: First, inspect all spare parts before installation—check hanger assemblies (Z6-136) for cracks or bending, roller axles (12AZ-63) for wear, and O-rings (12AZ-245) for brittleness or tears (replace if damaged). Second, clean components thoroughly before installation: wipe down metal parts with a lint-free cloth and a degreaser to remove dirt and old grease, and ensure gear teeth are free of debris. Third, lubricate moving parts generously: use a high-temperature, lithium-based grease (NLGI Grade 2) for roller axles, gears, and bearings, and apply a thin layer of hydraulic fluid to O-rings to prevent installation damage. Fourth, check tightening torque for all fasteners: hexagon socket cap screws (Z6-8) require 15-20 N·m of torque, hanger assembly bolts require 80-85 N·m, and roller axle bolts require 40-45 N·m—loose fasteners cause vibration and component damage. Fifth, replace wear parts on a schedule: friction discs (12AZ-54) every 800 operating hours, O-rings (12AZ-234) every 6 months, and roller axles (12AZ-63) every 1200 operating hours. Sixth, store spare parts properly: keep metal components in anti-corrosion packaging, store rubber parts (O-rings) in a cool, dry area away from direct sunlight, and organize fasteners by size to avoid mix-ups. Following these steps will extend the life of your power tongs and keep them operating reliably.

Authoritative Endorsements and Exclusive Test Data

All our power tong spare parts are manufactured to meet or exceed industry standards, including MSDS, EExd (for hazardous zones), UL, ASME B18.3 (for fasteners), API 7K (for drilling equipment), and ISO 9001 (for quality management), ensuring consistent quality and safety. MSDS documentation is fully GHS-compliant, providing detailed safety information for handling, storage, and disposal. Our exclusive non-percentage test data validates performance: the Z6-136 hanger assembly withstands a maximum load of 25,000 lbs (11340 kg), has a fatigue life of 2,000,000 cycles, and a hardness of 36 HRC. The 12AZ-63 centring roller axle has a wear rate of 0.001mm per 100 operating hours, a dimensional tolerance of ±0.001″, and a tensile strength of 700 MPa. The 12AZ-73 hydraulic motor has a maximum operating pressure of 210 bar (3045 PSI), a displacement of 100 cc/rev, and an efficiency rating of 92%. The 12AZ-260 torque meter has an accuracy of ±1%, a working temperature range of -20°C to 80°C, and a response time of 0.1 seconds. O-rings (12AZ-245) have a shore hardness of 70, a temperature range of -40°C to 120°C, and a compression set of 12% after 72 hours at 100°C. All components undergo salt spray testing (1000 hours) for corrosion resistance, vibration testing (10-2500 Hz) to simulate drilling conditions, and load testing to ensure structural integrity. Explosion-proof components meet EExd standards, with a flameproof enclosure rating of IP66. These tests are performed in our in-house lab, and all data is available for verification. Our strict quality control means every component is inspected three times before shipment—raw material inspection, in-process inspection, and final performance testing—ensuring you receive a product that meets the highest standards.

Conclusion: Your Trusted Source for TEDA Power Tong Spare Parts

When it comes to power tongs—your most critical tubing connection equipment—reliability, interchangeability, safety, and long service life are non-negotiable. A single faulty hanger assembly, gear, or O-ring can lead to power tong failure, idle crews, missed deadlines, and costly downtime. Our spare parts are engineered to match TEDA’s exact specifications, ensuring 100% compatibility with XQ114-6B, XQ140, XQ140/12YA, TQ340, and ZQ127/25 power tongs. We use high-quality materials—alloy steel, carbon steel, chrome plating, nitrile rubber—to ensure our parts withstand the harshest drilling conditions, from saltwater offshore rigs to dusty onshore oilfields. Our parts deliver uncompromising reliability: the Z6-136 hanger assembly supports heavy loads without bending, the 12AZ-63 roller axle resists wear and corrosion, and the 12AZ-73 hydraulic motor delivers consistent power. We prioritize interchangeability, so our parts fit seamlessly with your existing TEDA power tongs—no modifications, no fitment issues, just plug-and-play installation. Safety is our top priority, with parts that meet API 7K, EExd, and ISO 9001 standards, ensuring compliance with industry safety regulations. Whether you’re replacing a single cotter pin, a hydraulic motor, or a full set of gears, our spare parts offer the performance and reliability you need to keep your drilling operations safe and efficient. These parts aren’t just replacements—they’re an investment in the productivity and safety of your crew and your projects.

Dual Standards: Procurement Selection & On-Site Fault Diagnosis and Maintenance

Procurement Selection Standards: When selecting spare parts for your TEDA power tongs, focus on four key factors to ensure compatibility, safety, and performance: 1) Compatibility: Verify the part matches the original TEDA part number (e.g., Z6-136, 12AZ-63, TQ340-90) and your power tong model (XQ114-6B, XQ140, TQ340) to avoid fitment issues. 2) Material Quality: Prioritize parts made from high-grade materials—alloy steel for structural components, chrome-plated carbon steel for roller axles, nitrile rubber for O-rings—to ensure durability and performance. 3) Certification: Confirm the part meets API 7K, MSDS, EExd, UL, ASME B18.3, and ISO 9001 standards to ensure compliance with industry safety regulations. 4) Application Fit: Choose parts based on your operating environment—offshore rigs require saltwater-resistant components, while cold climates need parts that withstand low temperatures (-20°C).

On-Site Fault Diagnosis and Maintenance Standards: When troubleshooting power tong issues, follow these steps to identify and resolve problems quickly: 1) Power Tong Stalling: If an XQ140 tong stalls, check the 12AZ-73 hydraulic motor for low pressure or the 12AZ-49 duplex gear for wear—replace the faulty part, check hydraulic fluid levels, and test operation. 2) Tubing Misalignment: If tubing misaligns during operation, inspect the 12AZ-63 centring roller axle or Z6-91 roller sleeve for wear—replace the part, align the rollers, and test. 3) Torque Inaccuracy: If the 12AZ-260 torque meter shows inconsistent readings, calibrate the meter (accuracy ±1%) or replace it if damaged—verify torque readings with a secondary gauge. 4) Hydraulic Leaks: If hydraulic fluid leaks, inspect O-rings (12AZ-234, 12AZ-245) for tears—replace the O-ring, clean the sealing surface, and apply hydraulic fluid before reinstallation. For all repairs, use compatible parts and follow proper installation procedures (lubrication, torque specifications). After repairs, test the power tong at low speed to ensure smooth operation before resuming full service.

Quality Assurance: Build Trust Through Rigorous Control

We understand that trust is critical when it comes to power tong spare parts—your crew’s productivity and safety depend on it. That’s why we implement a strict full-process quality inspection system for all our products. Every component undergoes three rounds of testing: raw material inspection (to verify material quality and certification, with full traceability), in-process inspection (to ensure precision machining, heat treatment, and coating quality), and final inspection (to validate performance, load capacity, and corrosion resistance). We maintain strict size consistency control, with tolerances of ±0.001″ for critical dimensions (e.g., roller axle diameter, gear tooth spacing, hanger assembly thickness), ensuring every part fits perfectly with your TEDA power tongs. All materials used are fully traceable, with MSDS and material certification documents available for every batch—so you can be confident that you’re receiving a high-quality product. Our commitment to quality means that every component is 100% load tested, vibration tested, and corrosion tested before shipment, and we conduct fatigue testing to ensure long service life. We also ensure that all parts meet the same standards as TEDA’s original parts, so you can rely on them to perform as well as—or better than—the parts they replace. With our quality assurance processes, you can trust that our spare parts will deliver consistent, reliable performance when you need it most.

4 On-Site Fault Cases

Case 1: Onshore Oilfield, Texas, USA – Model: TEDA Z6-136 Hanger Assembly (XQ114-6B Hydraulic Power Tong); Working Load: 20,000 lbs (9072 kg); Fault Data: Hanger assembly cracked, power tong head collapsed, operations halted 7 hours, downtime cost $77,000; Fault Cause: Overload and lack of maintenance; Repair: Replaced Z6-136 hanger assembly, inspected tong head, torqued bolts to 82 N·m; Post-Repair Indicators: Hanger supports 25,000 lbs load, no bending or cracking, service life 1400 operating hours; Customer Feedback: “The Z6-136 hanger assembly is strong and durable. It fits our XQ114-6B tong perfectly and has kept our operations running—saved us from repeated breakdowns.”

Case 2: Offshore Drilling Platform, North Sea – Model: TEDA 12AZ-63 Centring Roller Axle (XQ140 Tubing Power Tong); Working Load: 15,000 lbs (6804 kg); Fault Data: Roller axle worn, tubing misaligned, makeup errors, downtime 6 hours; Fault Cause: Saltwater corrosion and lack of lubrication; Repair: Replaced 12AZ-63 roller axle, applied anti-corrosion grease, aligned rollers; Post-Repair Indicators: Tubing aligned perfectly, no wear after 3 months, corrosion-resistant; Customer Feedback: “The 12AZ-63 roller axle resists saltwater corrosion and keeps our XQ140 tong running smoothly. It’s easy to install and has eliminated alignment issues.”

Case 3: Onshore Oilfield, Alberta, Canada – Model: TEDA 12AZ-73 Hydraulic Motor (XQ140-12YA Power Tong); Working Load: 210 bar (3045 PSI); Fault Data: Hydraulic motor failed, power tong inoperable, downtime 8 hours; Fault Cause: Cold temperature ( -15°C) and low hydraulic fluid; Repair: Replaced 12AZ-73 hydraulic motor, checked hydraulic fluid levels, added low-temperature fluid; Post-Repair Indicators: Motor operates at -20°C, delivers 210 bar pressure, response time 0.5 seconds; Customer Feedback: “The 12AZ-73 hydraulic motor handles cold Canadian temperatures well. It’s reliable and has restored our XQ140-12YA tong to full performance.”

Case 4: Offshore Rig, Gulf of Mexico – Model: TEDA 12AZ-245 O-Ring (XQ140 Power Tong); Working Load: 180 bar (2610 PSI); Fault Data: O-ring failed, hydraulic leak, power tong slowed down, downtime 5 hours; Fault Cause: Saltwater exposure and age; Repair: Replaced 12AZ-245 O-ring, cleaned sealing surface, applied hydraulic fluid; Post-Repair Indicators: No leaks, hydraulic pressure stable at 180 bar, O-ring intact after 6 months; Customer Feedback: “The 12AZ-245 O-ring is saltwater-resistant and durable. It fits our XQ140 tong and has prevented hydraulic leaks—critical for offshore operations.”

FAQ (Frequently Asked Questions)

We supply the following spare parts:

 Procurement Guidance

Whether you’re in need of a single TEDA Z6-39 grease nipple, a 12AZ-63 centring roller axle for your XQ140 tong, a TQ340-90 spring for your TQ340 power tong, or a full set of gears for an overhaul, we’re here to help. Our lineup covers all critical spare parts for TEDA power tongs, from structural components to fasteners and wear parts, all engineered to match TEDA’s exact specifications. If you’re unsure about compatibility—whether it’s a part for an XQ114-6B, XQ140/12YA, or ZQ127/25 tong—simply provide your power tong model, serial number, and the part you need, and our team will help you confirm the perfect component. We also provide full certification documents (API 7K, MSDS, EExd) upon request, so you can verify compliance with your drilling regulations and safety standards. Don’t let faulty spare parts disrupt your operations or idle your crew—contact us today to consult on selection, check model compatibility, request certification documents, or discuss your procurement needs. We’re committed to providing you with high-quality, reliable spare parts that keep your TEDA power tongs operating safely and efficiently.

contact us ：

Emeil: [email protected]  

whatsapp: +86 15275658619