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Transmissiion Assemb – Complete AMT Split Gear and Piston Kit for HOWO Max 4X2

The transmissiion assemb is a comprehensive pneumatic and mechanical assembly designed specifically for the HOWO Max 4X2 AMT transmission, providing critical sealing, actuation, and control components for the split gear and reverse gear systems. This complete kit includes the inner hole sealing ring, piston cushion blocks, O-rings, shift pistons, lock pins,

cylinder assemblies, springs, and a full set of high-quality fasteners, ensuring reliable and leak-free operation of the range shift mechanism. As genuine howo Parts, the transmissiion assemb meets the highest OEM standards,

delivering the durability and precision that professional drivers rely on for consistent and smooth gear changes.

Every component in this transmissiion assemb is engineered to work together, providing a robust interface between the pneumatic controls and the mechanical shift elements, ensuring that the split gear and reverse functions operate flawlessly under all conditions.

This transmissiion assemb integrates the Inner hole sealing ring of split gear rear housing, the Reverse-gear piston cushion block (12-gear, AMT), the Split gear piston O-ring, the Insert the gear shift piston (aluminum), the Nut with location sensor pin, the Hexagon socket head screw plug DIN908 – M16×1.5 – st, the Combination sealing washer, the Spring,

the Reverse-gear lock pin (12-gear, AMT), the Split gear cylinder assembly, and the Glued combination bolt Q1461085. Each part is precisely manufactured to exacting tolerances, ensuring correct alignment, secure fastening, and effective sealing of the actuator interface.

The transmissiion assemb is essential for maintaining the integrity of the AMT shift system, preventing contamination and ensuring accurate gear selection. This kit is the ideal solution for rebuilding the split gear and reverse actuation system, restoring the crisp, positive engagement that drivers demand.

With the transmissiion assemb, you can restore the protective sealing and actuation precision of your HOWO Max 4X2’s AMT system, ensuring smooth, reliable gear changes and extended transmission life. Trust in HOWO’s engineering and the quality of this transmissiion assemb to keep your truck performing at its peak.

Inner Hole Sealing Ring of Split Gear Rear Housing

The Inner hole sealing ring of split gear rear housing is a precision elastomeric seal that prevents oil leakage between the split gear housing and the transmission case. This seal is critical for maintaining oil pressure and ensuring that the transmissiion assemb remains leak-free, protecting internal components from contamination and wear. Its material is selected for resistance to transmission fluid, heat, and pressure, providing a reliable seal that maintains proper lubrication of the split gear and actuator components.

Manufactured from high-quality rubber compound with a precise cross-section, the Inner hole sealing ring offers excellent sealing performance and long-term durability. Its accurate dimensions ensure a tight fit in the housing groove, preventing oil bypass and maintaining system pressure. Replacing a worn or damaged sealing ring with this genuine component is essential for preventing oil leaks and ensuring the efficiency of the transmissiion assemb.

This Inner hole sealing ring is a vital part of the transmissiion assemb, ensuring that the split gear housing remains sealed and that the actuator system remains protected.

Reverse-Gear Piston Cushion Block (12-Gear, AMT)

The Reverse-gear piston cushion block is a precision-machined aluminum or steel component that absorbs shock and limits the travel of the reverse gear piston. This block is designed to provide a positive stop for the piston, preventing over-travel and ensuring that the reverse gear engages smoothly. Its robust construction and precise dimensions ensure consistent actuation of the reverse gear mechanism in the transmissiion assemb.

Manufactured from high-strength material with a corrosion-resistant finish, the Reverse-gear piston cushion block offers excellent durability and impact resistance. Its precise shape ensures that the piston stops at the correct position, preventing damage to the internal components of the transmissiion assemb. Replacing a worn or damaged cushion block with this genuine component restores the proper travel of the reverse piston, ensuring reliable reverse engagement.

The Reverse-gear piston cushion block is an essential part of the transmissiion assemb, providing the mechanical stop needed for accurate reverse gear actuation.

Split Gear Piston O-Ring

The Split gear piston O-ring is a precision elastomeric seal that provides a leak-proof seal between the split gear piston and its cylinder bore. This O-ring is essential for maintaining pneumatic pressure and ensuring that the piston actuates the split gear mechanism effectively. Its material is selected for resistance to compressed air, oil, and temperature extremes, ensuring reliable sealing in the transmissiion assemb.

Manufactured from high-quality rubber with a precise diameter and cross-section, the Split gear piston O-ring offers excellent sealing performance and long-term durability. Its accurate dimensions ensure a tight fit in the piston groove, preventing air leakage and maintaining actuation pressure. Replacing a worn or damaged O-ring with this genuine component is essential for ensuring reliable pneumatic actuation of the split gear in the transmissiion assemb.

This Split gear piston O-ring is a critical part of the transmissiion assemb, providing the sealing needed for consistent and reliable gear engagement.

Insert the Gear Shift Piston (Aluminum)

The Insert the gear shift piston is a lightweight aluminum piston that converts pneumatic pressure into mechanical force for engaging the split gear. Its aluminum construction reduces overall weight while maintaining strength and corrosion resistance. This piston is designed to slide smoothly within the cylinder bore, providing responsive and reliable actuation of the shift mechanism in the transmissiion assemb.

Manufactured from high-quality aluminum alloy with a precision-ground surface, the Insert the gear shift piston offers excellent wear resistance and low friction. Its precise dimensions ensure a perfect fit with the cylinder bore and O-ring, providing efficient sealing and smooth movement. Replacing a worn or damaged piston with this genuine component restores the actuation precision and responsiveness of the transmissiion assemb.

This Insert the gear shift piston is a key part of the transmissiion assemb, providing the mechanical force needed for reliable gear engagement.

Nut with Location Sensor Pin

The Nut with location sensor pin is a specialized fastener that incorporates a sensor pin for position feedback, enabling the transmission control unit to accurately detect the engagement state of the split gear. This component is critical for the electronic control of the transmissiion assemb, ensuring that the correct gear is engaged and providing diagnostic information. Its robust design resists vibration and corrosion, ensuring reliable sensor feedback.

Manufactured from high-strength steel with a corrosion-resistant coating, the Nut with location sensor pin offers excellent durability and precise sensor alignment. Its integrated pin is accurately positioned to interface with the sensor, providing consistent and reliable position data. Replacing a worn or damaged nut with this genuine component restores the sensor feedback accuracy of the transmissiion assemb.

This Nut with location sensor pin is an essential part of the transmissiion assemb, providing the critical sensor interface for accurate gear position monitoring.

Hexagon Socket Head Screw Plug DIN908 – M16×1.5 – st

This screw plug is a sealing fastener used to close an unused port or access hole in the transmissiion assemb, preventing oil leaks and contamination ingress. Its hexagon socket drive allows for easy installation with a standard hex key, and its M16×1.5 thread ensures a secure fit. Its robust construction and sealing properties make it a reliable component for maintaining the integrity of the assembly.

Manufactured from high-quality steel with a corrosion-resistant finish, the Hexagon socket head screw plug offers excellent durability and sealing performance. Its O-ring or sealing washer ensures a leak-proof closure, preventing oil leaks and contamination. Replacing a missing or damaged plug with this genuine component ensures that the transmissiion assemb remains sealed against oil leaks and external contaminants.

This Hexagon socket head screw plug is a critical part of the transmissiion assemb, providing a reliable seal for unused ports and maintaining the cleanliness of the actuator housing.

Combination Sealing Washer

The Combination sealing washer is a multi-layer sealing element that provides a leak-proof seal for bolt connections, preventing oil leaks and maintaining the integrity of the transmissiion assemb. Its design combines a metal washer with an elastomeric sealing lip, ensuring a reliable seal against oil and pressure. This washer is essential for preventing fluid loss and maintaining system pressure.

Manufactured from high-quality steel and rubber compound, the Combination sealing washer offers excellent sealing performance and durability. Its precise dimensions ensure a perfect fit with the bolt and mating surface, providing consistent clamping force and sealing pressure. Replacing a worn or damaged washer with this genuine component is essential for preventing oil leaks and maintaining the efficiency of the transmissiion assemb.

This Combination sealing washer is a vital part of the transmissiion assemb, ensuring that bolted joints remain leak-free and securely fastened.

Spring

The Spring is a heavy-duty coil spring that provides return force for the shift piston, ensuring that the split gear returns to its neutral or default position when pneumatic pressure is released. This spring is critical for the safe and reliable operation of the transmissiion assemb, preventing inadvertent gear engagement and ensuring that the shift mechanism returns to a known state.

Manufactured from high-grade spring steel with a corrosion-resistant coating, the Spring offers consistent tension and long-term durability. Its precise spring rate ensures the correct return force for the piston, preventing sluggish or incomplete piston movement. Replacing a worn or weakened spring with this genuine component restores the proper return action of the transmissiion assemb, ensuring reliable gear disengagement.

This Spring is an essential part of the transmissiion assemb, providing the return force needed for safe and reliable piston operation.

Reverse-Gear Lock Pin (12-Gear, AMT)

The Reverse-gear lock pin is a precision-machined pin that prevents inadvertent engagement of the reverse gear, ensuring that the driver must intentionally select reverse. This lock pin is a safety-critical component of the transmissiion assemb, preventing accidental shifting into reverse while the vehicle is moving forward. Its robust construction and precise positioning ensure reliable locking action.

Manufactured from high-strength steel with a hardened surface, the Reverse-gear lock pin offers excellent wear resistance and durability. Its precise dimensions ensure a perfect fit with the shift rail and lock mechanism, providing a positive lock that prevents reverse gear engagement. Replacing a worn or damaged lock pin with this genuine component restores the safety and reliability of the transmissiion assemb.

This Reverse-gear lock pin is a critical part of the transmissiion assemb, providing the necessary safety lock for reverse gear selection.

Split Gear Cylinder Assembly

The Split gear cylinder assembly is the main pneumatic actuator that controls the split gear engagement, converting air pressure into mechanical movement. This assembly includes the cylinder body, piston, and seals, providing a robust and reliable actuation mechanism for the transmissiion assemb. Its precision-machined bore and sealing surfaces ensure efficient operation and minimal air leakage, guaranteeing consistent shift performance.

Manufactured from high-quality aluminum or steel with a corrosion-resistant finish, the Split gear cylinder assembly offers excellent durability and thermal management. Its precise internal dimensions ensure a perfect fit for the piston and O-rings, providing reliable actuation and long service life. Replacing a worn or damaged cylinder assembly with this genuine component restores the pneumatic performance of the transmissiion assemb, ensuring consistent and responsive gear changes.

This Split gear cylinder assembly is a core part of the transmissiion assemb, providing the actuation needed for reliable split gear engagement.

Glued Combination Bolt Q1461085

The Glued combination bolt Q1461085 is a high-strength fastener with a pre-applied thread-locking adhesive, used to secure the split gear cylinder and other critical components within the transmissiion assemb. This bolt is designed to prevent loosening due to vibration, ensuring that the assembly remains securely fastened and properly sealed. Its flanged head eliminates the need for a separate washer, simplifying installation and providing even clamping force.

Manufactured from high-strength steel with a corrosion-resistant coating, the Glued combination bolt Q1461085 offers excellent durability and resistance to stripping. Its precise thread dimensions ensure consistent torque application, providing a reliable and leak-free joint for the transmissiion assemb. Replacing a worn or damaged bolt with this genuine component ensures that the cylinder assembly remains securely attached and properly sealed.

This Glued combination bolt Q1461085 is an essential part of the transmissiion assemb, providing the fastening needed to maintain the integrity of the actuator mounting.

transmissiion assemb

Transmissiion assemb – complete AMT split gear and piston kit for HOWO Max 4X2

Product Parameters of Transmissiion Assemb

Material Encoding Name
AZ222923000001 Inner hole sealing ring of split gear rear housing
WG2229230020 Reverse-gear piston cushion block (12-gear, AMT)
WG2229230009 Split gear piston O-ring
WG2229230108 Insert the gear shift piston (aluminum)
WG2209230010 Nut with location sensor pin
WG9003960004 Hexagon socket head screw plug DIN908 – M16×1.5 – st
WG9004130016 Combination sealing washer
WG2229060030 Spring
WG2229210130 Reverse-gear lock pin (12-gear, AMT)
WG2209230005 Split gear cylinder assembly
WG9003801085 Glued combination bolt Q1461085

Why Choose Our Transmissiion Assemb?

Complete Split Gear and Piston Kit

The transmissiion assemb includes all critical sealing, actuation, and locking components for the split gear and reverse system, providing a comprehensive solution for rebuilding the AMT range shift mechanism. This eliminates the need to source individual parts, ensuring compatibility and saving valuable workshop time.

OEM Precision and Leak-Proof Design

Every component of the transmissiion assemb is manufactured to the exact OEM specifications, using high-quality materials and advanced sealing technologies. The precision O-rings, sealing washers, and lock pins ensure leak-proof operation and reliable actuation, extending the service life of the AMT transmission.

Precision Fit and Easy Assembly

All components of the transmissiion assemb are precision-machined to tight tolerances, guaranteeing a perfect fit with the housing and cylinder. The included glued bolts and sealing washers simplify installation and ensure a secure, leak-free assembly that performs as intended.

Genuine HOWO Parts Reliability

As genuine howo Parts, the transmissiion assemb is designed and tested by the same engineers who built your AMT transmission. You receive the assurance of quality, compatibility, and performance that only OEM components can provide, backed by HOWO’s global service network.

The transmissiion assemb is a critical assembly for the AMT transmission of your HOWO Max 4X2, providing the sealing, actuation, and locking functions necessary for reliable split gear and reverse operation. A worn sealing ring, damaged piston, or faulty lock pin can lead to air leaks, sluggish shifts, or gear disengagement, compromising the performance and safety of the vehicle. Rebuilding with this complete transmissiion assemb kit restores the pneumatic and mechanical integrity of the range shift system, ensuring smooth, precise, and reliable gear changes.

The Inner hole sealing ring and Split gear piston O-ring maintain leak-free operation, while the Insert the gear shift piston and Split gear cylinder assembly provide the actuation force needed for positive gear engagement. The Reverse-gear piston cushion block and lock pin ensure safe and accurate reverse selection, and the Spring returns the system to its default state. The Nut with location sensor pin provides real-time position feedback to the ECU, enabling precise shift control. The Glued combination bolts and sealing washers ensure that all joints remain secure and leak-free. Together, these components form a reliable, high-performance transmissiion assemb.

Installation of the transmissiion assemb requires careful attention to cleanliness and torque specifications. The O-rings and seals must be properly seated, the cylinder aligned, and the bolts torqued to the specified values. This kit is designed to make the rebuild process straightforward, with all components clearly matched to the original equipment and the necessary hardware supplied.

Regular inspection of the transmissiion assemb is recommended as part of your vehicle’s preventive maintenance. Check for air leaks around the cylinder and fittings, and listen for any abnormal actuator noises during shifts. If you detect any issues, replacing the worn parts with this genuine transmissiion assemb kit will restore the reliability of your AMT system and prevent more extensive transmission damage.

For fleet operators, standardizing on the transmissiion assemb simplifies parts inventory and ensures consistent shift performance across all vehicles. The robust construction of these genuine components minimizes the frequency of repairs, lowering total cost of ownership and increasing vehicle uptime.

Owner-operators will appreciate the peace of mind that comes from using genuine HOWO parts. Knowing that your transmissiion assemb is built to OEM standards allows you to focus on the road, confident that your transmission is protected.

The transmissiion assemb is also compatible with the latest diagnostic tools, allowing for easy verification of actuator position and system integrity during routine checks. This compatibility simplifies troubleshooting and ensures that your AMT transmission remains in optimal condition.

In summary, the transmissiion assemb is the definitive solution for rebuilding the split gear and piston system of your HOWO Max 4X2’s AMT transmission. Its comprehensive design, OEM-quality construction, and ease of installation make it the smart choice for any professional driver or fleet manager.

Choose the transmissiion assemb for your next transmission service and experience the difference that genuine howo Parts make. This investment in reliability will pay dividends in transmission longevity, shift quality, and reduced downtime.

Order the transmissiion assemb today and ensure that your HOWO Max 4X2 continues to deliver the dependable shifting performance that you expect. With this complete kit, you can restore your AMT actuator system to factory-new condition and drive with confidence.

Don’t compromise on shift reliability – upgrade with the genuine transmissiion assemb and keep your HOWO Max 4X2 operating at its best.

The transmissiion assemb – engineered for HOWO Max 4X2, delivering precision split gear and piston components for reliable AMT transmission performance.

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