AZ2210030030/8 Countershaft for HOWO Truck Transmission OEM


The AZ2210030030/8 countershaft is a vital power transmission component engineered specifically for HOWO heavy-duty trucks. As an essential gearbox element, this precision-machined shaft transfers torque between input and output shafts while maintaining optimal gear alignment. Developed using premium alloy steel and advanced CNC machining processes, this countershaft delivers the exceptional durability and reliability required in commercial vehicle applications. Its precision-ground gear teeth ensure smooth power transfer while minimizing vibration and noise throughout the entire transmission system.
Built to withstand the rigorous demands of commercial hauling, the AZ2210030030/8 countershaft undergoes specialized heat treatment to achieve optimal surface hardness while maintaining excellent core toughness. This critical balance prevents premature wear and fracture under heavy loading conditions. The precisely calculated gear profiles minimize friction and heat generation, contributing to extended transmission life and reduced maintenance requirements. Compatibility is guaranteed as it’s manufactured to exact HOWO specifications, ensuring seamless integration with the existing transmission assembly.
Key Benefits of Our Premium Countershaft:
¡ñ Precision manufacturing guarantees optimal gear engagement and power transfer
¡ñ Proprietary heat treatment extends component lifespan by 40% versus standard shafts
¡ñ Advanced surface finishing reduces friction and thermal stress during operation
¡ñ Rigorous quality control ensures dimensional accuracy to 0.005mm tolerance
When replacing worn transmission components, selecting the genuine AZ2210030030/8 countershaft prevents cascading damage to meshing gears and synchronizers. The precision-engineered tooth profile maintains correct backlash specifications critical for smooth shifting performance. Heavy-duty truck operators report significantly reduced transmission noise and vibration after installing our countershaft, along with noticeable fuel efficiency improvements. The component’s bearing journals are machined to exact tolerances, preventing oil leakage while maintaining proper shaft alignment and rotation within the transmission case.
Unlike generic transmission parts that might compromise your equipment’s performance, the authentic AZ2210030030/8 countershaft maintains the engineered integrity of your HOWO powertrain. Through advanced metallurgical analysis, we’ve optimized the material composition to resist pitting and micro-spalling that commonly plague lower-quality components. Each countershaft undergoes comprehensive dimensional verification and magnetic particle inspection, guaranteeing structural integrity before shipping. Fleet managers particularly appreciate the predictable service life, which allows for proactive maintenance planning rather than emergency downtime.
Installation of this countershaft requires no modifications to existing transmission housings, maintaining original equipment specifications. The AZ2210030030/8 part number ensures accurate matching to your specific transmission configuration. Proper countershaft function is critical to preventing gear synchronization issues that lead to difficult shifting and premature clutch wear. Heavy transport operators report 25% longer transmission service intervals when using authentic countershafts compared to aftermarket alternatives, making it a cost-effective solution despite the initial investment.
The engineering behind the AZ2210030030/8 countershaft includes sophisticated torsional vibration dampening features that protect downstream drivetrain components. This vibration control extends the life of universal joints, drive shafts, and differential assemblies. Countering the harmonic oscillations common in heavy-duty powertrains, the precisely balanced shaft minimizes resonant frequencies that can fatigue other transmission elements. Our manufacturing process includes computerized dynamic balancing to under 0.5g-cm at operating RPMs, far exceeding industry standards.
Transport operators managing fleets of HOWO trucks report significantly lower maintenance costs when consistently using genuine components like the AZ2210030030/8 countershaft. The exceptional dimensional stability ensures consistent oil film maintenance between rotating surfaces, preventing the metal-to-metal contact that causes catastrophic transmission failures. By preserving original gear mesh patterns, these precision shafts extend the service life of other expensive transmission components including cluster gears, input shafts, and bearings.
In severe service applications such as construction, mining, and heavy haulage, the AZ2210030030/8 countershaft demonstrates remarkable durability under shock loading conditions that would fracture inferior components. The advanced fatigue-resistant alloy formulation incorporates nickel-chrome-molybdenum additives that enhance crack propagation resistance. This metallurgical advantage allows the countershaft to withstand the instantaneous torque spikes generated during aggressive shifting and gear engagements without developing stress fractures.
Each AZ2210030030/8 countershaft features precisely located oil passages that guarantee critical lubrication to bushing surfaces and gear meshes. The optimized oil distribution system maintains hydrodynamic separation between moving parts even at extreme operating angles common in off-road applications. This exceptional lubrication management minimizes wear and prevents scuffing, ensuring consistent performance throughout the component’s service life. Furthermore, the specialized surface treatments on bearing journals effectively prevent the formation of adhesive wear that compromises shaft integrity over time.
Replacing transmission components like the countershaft provides an opportunity to upgrade the reliability of your entire drivetrain. The AZ2210030030/8 countershaft is manufactured with the latest improvements and design refinements implemented since your truck’s original production date. These cumulative engineering enhancements address reliability concerns identified through millions of operational miles, providing a more robust solution than your factory-original component. Our commitment to quality ensures every countershaft shipped meets or exceeds original equipment tolerances and performance metrics.
The precision-ground gear teeth on the AZ2210030030/8 countershaft feature advanced tip relief profiles that prevent edge loading and subsequent spalling under heavy torque conditions. This design refinement significantly enhances load distribution across gear faces while minimizing operating noise. Industry testing confirms our countershafts transmit power with 98.7% mechanical efficiency, maximizing fuel economy and reducing operational costs for fleet operators. The tooth profile optimization also improves shifting synchronization, reducing shift effort and extending synchronizer ring life.
For transmission rebuild specialists and fleet maintenance managers, selecting genuine components like the AZ2210030030/8 countershaft eliminates compatibility concerns and warranty complications. The authentic components ensure transmission output remains within factory specifications after repair, protecting other drivetrain investments. This attention to engineering precision prevents premature wear that occurs when using inferior parts that fail to meet critical angular alignment and concentricity requirements.
Maintaining your heavy-duty equipment with authentic parts ensures operational efficiency and reduces unexpected downtime. The genuine AZ2210030030/8 countershaft provides a cost-effective solution for restoring transmission performance to factory specifications. Protect your transportation investment by choosing components engineered for durability and performance excellence. Contact our technical specialists with your transmission requirements to receive personal recommendations on maintaining your equipment at peak performance levels.