

Welcome to our comprehensive product directory for Sinotruk Howo A7 parts. We are pleased to present the Sinotruk Howo A7 Main Shaft Composite Member, a critical transmission component designed specifically for Howo A7 trucks. This precision-engineered assembly plays a vital role in power transmission and gear selection, ensuring smooth operation and reliable performance under demanding conditions. The Sinotruk Howo A7 Main Shaft Composite Member features high-quality materials and precise manufacturing that withstand the rigorous demands of heavy-duty truck applications. With its comprehensive design and optimal construction, this assembly contributes to extended transmission life and efficient power transfer in various operating conditions.
The Sinotruk Howo A7 Main Shaft Composite Member is a comprehensive transmission assembly that forms the core of the gear shifting mechanism in Howo A7 trucks. This sophisticated component includes multiple gears, adjustment shims, blocking plates, and specialized hardware that work together to facilitate smooth gear changes and efficient power transfer. The Sinotruk Howo A7 Main Shaft Composite Member is engineered to handle the high torque loads generated by heavy-duty truck engines while maintaining precise gear alignment and engagement. This assembly plays a critical role in the overall performance and reliability of the vehicle’s transmission system, ensuring optimal power delivery in various driving conditions.
This assembly features a complete set of main shaft gears including first, second, third, and fourth stage gears, along with a reverse gear that enables comprehensive speed control and maneuverability. Each gear is precision-machined from high-strength materials that resist wear and deformation under heavy loads. The Sinotruk Howo A7 Main Shaft Composite Member incorporates specialized adjustment shims and spline adjustment plates that allow for precise calibration of gear positioning and clearances. These adjustment components ensure optimal gear meshing and minimal backlash, contributing to smooth operation and extended component life in demanding applications.
The design of the Sinotruk Howo A7 Main Shaft Composite Member includes critical positioning elements such as main axle blocks, spline block plates, and clamps that maintain proper component alignment during operation. The main axle sleeve facilitates smooth gear engagement, while the hex keys and elastic pins provide secure fastening of components. The assembly also features a main axle with ball joint that enables precise control of gear selection. The Sinotruk Howo A7 Main Shaft Composite Member is engineered with multiple adjustment shims of varying thicknesses, allowing technicians to achieve perfect gear alignment during installation and maintenance.
Installation of the Sinotruk Howo A7 Main Shaft Composite Member requires precision and expertise to ensure optimal transmission performance. The assembly is designed to match original equipment specifications, allowing for seamless integration into existing transmission systems. Proper installation of the Sinotruk Howo A7 Main Shaft Composite Member results in smooth gear shifts, reduced transmission noise, and extended component life. This critical assembly is essential for maintaining the operational efficiency of Howo A7 trucks, making it a valuable investment for fleet operators and individual owners seeking reliable transmission performance and durability.
| No. | Part No. | Name |
|---|---|---|
| 1 | WG2210040002 | Main Axle block |
| 2 | WG2210040207 | Reverse gear |
| 3 | WG2229040003 | Clamp |
| 4 | WG2210040012 | Spline block plate |
| 5 | WG2210040210 | Main axle sleeve |
| 6 | AZ2208040001 | Spline adjust plate |
| 6.1 | WG2210040021 | Spline adjust plate |
| 6.2 | WG2210040022 | Spline adjust plate |
| 6.3 | WG2210040023 | Spline adjust plate |
| 6.4 | WG2210040024 | Spline adjust plate |
| 7 | WG2210040230 | First stage gear |
| 8 | WG2210040206 | Second stage gear |
| 9 | AZ2208040002 | Main shaft adjust shim |
| 9.1 | WG2229040031 | Main shaft adjust shim |
| 9.2 | WG2229040032 | Main shaft adjust shim |
| 9.3 | WG2229040033 | Main shaft adjust shim |
| 9.4 | WG2229040034 | Main shaft adjust shim |
| 9.5 | WG2229040035 | Main shaft adjust shim |
| 9.6 | WG2229040036 | Main shaft adjust shim |
| 9.7 | WG2229040037 | Main shaft adjust shim 6.15 |
| 9.8 | WG2229040038 | Main shaft adjust shim 6.30 |
| 9.9 | WG2229040039 | Main shaft adjust shim 6.45 |
| 9.10 | WG2229040053 | Main shaft adjust shim 6.60 |
| 9.11 | WG2229040054 | Main shaft adjust shim 6.75 |
| 9.12 | WG2229040055 | Main shaft adjust shim 6.90 |
| 9.13 | WG2229040056 | Main shaft adjust shim 7.05 |
| 10 | WG2229040009 | Main axle with ball joint |
| 11 | WG2229040211 | Hex keyt |
| 12 | Q5280310 | Pin |
| 13 | WG2210040225 | Third stage gear |
| 14 | WG2210040224 | Four |
Our Sinotruk Howo A7 Main Shaft Composite Member is manufactured to original equipment specifications, ensuring perfect compatibility and performance with Howo A7 transmission systems. We use high-quality materials and precision engineering to create components that withstand the rigorous demands of heavy-duty truck operations. Each part undergoes strict quality control checks to ensure dimensional accuracy, durability, and reliability. The Sinotruk Howo A7 Main Shaft Composite Member provides precise gear engagement and smooth power transfer, contributing to improved transmission performance and extended service life. Choosing our product guarantees optimal performance and reliability for your vehicle’s transmission system.
The comprehensive design of our Sinotruk Howo A7 Main Shaft Composite Member includes all necessary components for complete installation, as detailed in the product parameters table. From main axle blocks and gears to adjustment shims, sleeves, and specialized hardware, we offer a complete solution that saves time and ensures proper fitment. Our components are designed to work together seamlessly, providing smooth gear operation and effective torque transmission. The inclusion of multiple adjustment shims with precise thickness variations allows for perfect gear alignment. This thorough approach makes our Sinotruk Howo A7 Main Shaft Composite Member a dependable choice for transmission maintenance and repair.
Durability is a key feature of our Sinotruk Howo A7 Main Shaft Composite Member, with components engineered to resist wear, deformation, and fatigue under extreme operating conditions. The gear sets are manufactured from high-strength materials that maintain their tooth profile and hardness despite constant engagement and high torque loads. The adjustment shims and blocking plates are made from durable materials that maintain their dimensional stability under pressure and temperature variations. The shafts and sleeves are precision-machined to ensure proper fit and alignment. Our Sinotruk Howo A7 Main Shaft Composite Member is built to deliver reliable performance throughout the vehicle’s operational life.
We are committed to providing exceptional value with our Sinotruk Howo A7 Main Shaft Composite Member, offering OEM-quality components at competitive prices. Our product is designed to reduce maintenance costs by providing reliable performance that minimizes transmission downtime and repair expenses. The precise engineering ensures easy installation and optimal performance, maintaining the transmission’s efficiency and reliability. By choosing our assembly, you invest in a solution that enhances transmission performance, improves fuel efficiency, and maintains manufacturer specifications. Trust our Sinotruk Howo A7 Main Shaft Composite Member for all your main shaft component needs.
If you have any questions about our products, services, or anything related to what we offer, please don’t hesitate to leave us a message—our dedicated team is always ready to provide prompt and helpful responses to address your concerns. What’s more, when you become our valued customer, we’re delighted to offer you complimentary catalog services, giving you access to detailed, up-to-date information on our full range of products, specifications, and offerings to help you make informed decisions.