The Shaft fork assemby is a precision‑built control mechanism that selects and engages gears within the HOWO A7 8X4 transmission. This assembly translates driver input into axial movement of the shift rails, moving the synchronizers to lock the desired gear. The Shaft fork assemby consists of multiple fork shafts, yokes, rods, and blocks that work in perfect harmony to deliver crisp, reliable gear changes under all operating conditions.
At howo Parts, we supply a complete Shaft fork assemby that includes all essential subcomponents: Shaft fork assembly, Shaft fork, Rod, Back gear shaft fork shaft, Shaft shift block, one and two shaft fork assembly, Pin, Forward gear block, Three and Four shaft fork assembly, and Three and Four shaft fork. Every element of this Shaft fork assemby is manufactured to original equipment tolerances, ensuring a perfect fit and smooth operation.
This Shaft fork assemby simplifies transmission overhaul by providing a matched set of components that eliminate guesswork. With correct installation and regular inspection, the Shaft fork assemby delivers consistent shift quality, reduced wear, and long service life. Trust our Shaft fork assemby to keep your HOWO A7 8X4 shifting precisely for millions of kilometres.
Shaft fork assembly is the complete unit comprising the fork, shaft, and fastening elements. It is the main actuating component of the Shaft fork assemby, directly moving the synchronizer sleeve.
Shaft fork is the yoke that engages with the synchronizer groove. Its precise geometry ensures smooth, even force distribution during gear changes.
Rod is a cylindrical pin that connects the fork to the shift rail, transmitting axial motion reliably within the Shaft fork assemby.
This is the dedicated shift rail for the reverse gear fork, allowing engagement of the reverse idler gear when selected.
Shaft shift block is a positioning element that ensures the fork remains correctly aligned on the rail, preventing binding.
This assembly groups the first and second gear forks on a single rail, enabling sequential selection of lower gears.
Pin is a hardened dowel used to fasten the fork to the shift rod, providing a secure, backlash‑free connection.
Forward gear block is a stop or detent that limits fork travel, ensuring correct gear engagement depth and preventing over‑travel.
This assembly combines the third and fourth gear forks on one rail, allowing smooth upshifts and downshifts in the upper range.
This is the specific shift rail for third and fourth gears, designed for the precise travel required for those ratios.
| Part NO. | Description |
|---|---|
| AZ2203220101 | Shaft fork assembly |
| WG2214220001 | Shaft fork |
| WG2229220002 | Rod |
| WG2212220201 | Back gear shaft fork shaft |
| WG2214220002 | Shaft shift block |
| WG2229220001 | Rod |
| AZ2203220010 | one and two shaft fork assembly |
| WG2214220001 | Shaft fork |
| WG2229220002 | Rod |
| WG2212220201 | one and two shaft fork assembly |
| WG2229220001 | Pin |
| WG2214220004 | Forward gear block |
| AZ2203220103 | Three and Four shaft fork assembly |
| WG2214220003 | Forward gear block |
| WG2229220001 | Rod |
| WG2214220001 | Shaft fork |
| WG2229220002 | Pin |
| WG2212220103 | Three and Four shaft fork |
Every fork, rail, and pin in our Shaft fork assemby is produced to the same standards as the original equipment. We use hardened steel and precision grinding for flawless operation.
The precise geometry of the Shaft fork assemby ensures that the synchronizer engages fully with minimal effort. Our assembly reduces shift effort and improves driver comfort.
We supply the Shaft fork assemby as a comprehensive set, including all forks, rods, pins, and blocks. This simplifies ordering and speeds up your rebuild.
Our inventory is stocked to meet urgent needs, and our technical team is available to assist with installation. Choose our Shaft fork assemby for reliability worldwide.
The Shaft fork assemby is the direct link between the driver’s shift lever and the transmission’s internal synchronizers. Any wear or misalignment in this Shaft fork assemby can cause missed shifts, grinding, or difficulty engaging gears. Maintaining this assembly with genuine parts is essential for safe and comfortable driving.
All sliding surfaces of the Shaft fork assemby are designed to retain a film of transmission oil, reducing friction and extending service life. The hardened forks and pins resist wear even under high cycle counts.
When installing the Shaft fork assemby, ensure that all Rods and Pins are properly seated and that the forks align correctly with the synchronizer grooves. Use new retaining rings and check for free movement.
Inspect the Shaft fork assemby every 100,000 km. Check for excessive play in the forks, worn Rods, and damaged Pins. Replace any worn components promptly to avoid synchronizer damage.
Our Shaft fork assemby is specifically designed for the HOWO A7 8X4 transmission, fitting all manual gearbox variants. All shaft diameters and fork dimensions match the original parts.
Each component of our Shaft fork assemby is inspected for hardness, dimensional accuracy, and surface finish. We back our product with a comprehensive warranty against defects.
We maintain a large stock of all parts, allowing same‑day dispatch. Custom kits for bulk orders are available, with volume discounts for fleet customers.
Choosing our Shaft fork assemby reduces downtime and repair costs. The durable construction ensures consistent shift quality and extended service intervals, saving you money over the life of the vehicle.
Our online catalog provides comprehensive access to genuine SINOTRUK parts for all major vehicle lines — including HOWO, Sitrak, Steyr, and Yellow River series trucks. You can browse detailed specifications, original part numbers, and exploded-view diagrams for every assembly. Whether you are performing routine maintenance or planning a major overhaul, the catalog helps you quickly identify the correct components for your vehicle. When you become a SINOTRUK customer, we offer complimentary full‑access catalog services, ensuring you always have the latest product data and interchangeability information at your fingertips to support efficient fleet management and accurate parts ordering.
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