The Main Cylinder-128998 TDS Top Drive Spare Parts Cylinder Assembly is a highly durable and essential component used in top drive systems for drilling operations. It plays a critical role in providing efficient torque and rotational motion, ensuring reliable performance in demanding drilling environments.
The Main Cylinder-128998 TDS Top Drive Spare Parts Cylinder Assembly is a highly durable and essential component used in top drive systems for drilling operations. It plays a critical role in providing efficient torque and rotational motion, ensuring reliable performance in demanding drilling environments.

Our company specializes in manufacturing and supplying top-quality drilling equipment, with a focus on providing durable and efficient parts for top drive systems. With years of experience in the industry, we are committed to delivering products that meet the highest standards of quality and reliability. Our products are used in major drilling projects worldwide, ensuring safe and efficient operations.
We maintain strict quality control procedures and are certified with ISO-9001 and ISO-14001, ensuring that every product leaving our facility meets international standards. Our team is dedicated to continuous improvement and innovation, allowing us to offer products that enhance the performance of drilling systems in various oil and gas applications.
We offer customization options to tailor the Cylinder Assembly to specific operational requirements, including material upgrades, pressure ratings, and special coatings for harsh environments. Our team is ready to collaborate with clients to ensure that their unique needs are met.
Q: What is the primary function of this cylinder assembly?
A: It provides torque and rotational motion to the top drive system in drilling rigs.
Q: What is the maximum pressure the cylinder can withstand?
A: The cylinder can handle pressures of up to 5,000 PSI.
Q: Is customization available for this product?
A: Yes, we offer customization options to meet specific operational requirements, including pressure ratings and material choices.
Q: How durable is the cylinder assembly?
A: It is built from high-strength alloy materials, making it highly durable for long-term use in harsh drilling environments.
Q: What is the warranty on this product?
A: We provide a 1-year warranty on the cylinder assembly.
The Cylinder Assembly (128989) is specifically designed for use in top drive systems in drilling rigs. Its robust construction allows it to handle the high pressures and stresses encountered during operations. This assembly ensures smooth, consistent performance in driving the top drive motor, which is a key component in modern drilling systems. The cylinder's precision-engineered design enhances the overall stability and safety of the drilling process.
The cylinder assembly is made from high-strength materials, ensuring durability and resistance to wear. It supports high-pressure hydraulic systems, allowing for efficient power transmission in top drive drilling applications. Designed for heavy-duty use, this component is essential in ensuring that the top drive system operates with minimal downtime and maximum efficiency.
| Specification | Value |
|---|---|
| Type | Cylinder Assembly |
| Part Number | 128989 |
| Material | High-Strength Alloy |
| Machine Type | Top Drive System |
| Weight (KG) | 150 |
| Maximum Pressure (PSI) | 5,000 |
| Dimensions (mm) | 250 x 150 x 100 |
| Warranty | 1 Year |
| Place of Origin | China |



Proud Petroleum Equipment Co., Ltd. (Proud Petro), established in 2015 in Shengli Oilfield, operates from Dongying City, China’s largest petroleum equipment manufacturing hub. As a certified SINOPEC supplier and member of CCOIC, CCPIT, and CCCME, we have steadily expanded, adding two manufacturing bases in Jiangsu Province to meet growing industry demands. Proud Petro specializes in producing API-certified products such as API 6A valves, Christmas trees, API 16A blowout preventers, and API 5DP drill pipes. Covering over 40,000 square meters and equipped with 90 advanced machines, our facilities prioritize precision and durability, adhering to ISO, API, and GOST standards. This foundation ensures we deliver reliable, high-quality products to a global market.
Driven by the core values of “quality first, innovation, and a people-oriented service approach,” Proud Petro emphasizes excellence across every facet of operations. With a team comprising technical experts, production workers, quality inspectors, sales professionals, and customer service staff, we ensure seamless service and innovation. In 2019, our expansion into the U.S. strengthened ties with global oil companies, enhancing our ability to meet North American market demands. As we aim to become a world-class supplier, Proud Petro remains committed to innovation, sustainability, and excellence in the evolving oil and gas industry.