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Sinotruk Gearbox & Howo Transmission Parts

The HW series sinotruk gearbox is a new type of transmission developed by China Sinotruk. for 6 years, specifically for Chinese users.

What are the types of Sinotruk Howo Transmission?

The Sinotruk Howo series offers a range of transmission options to suit different needs. Here are some common types of Sinotruk Howo transmissions:
  1. Manual Transmission: This is a traditional transmission option that requires manual shifting of gears. It offers good control over the vehicle and is commonly used in commercial trucks.
  2. Automated Manual Transmission (AMT): AMT combines the features of a manual transmission with automated shifting. It offers the convenience of automatic shifting while still allowing manual control when needed.
  3. Automatic Transmission: This type of transmission shifts gears automatically without any manual input. It is known for providing smooth and effortless driving experience, especially suited for long-haul journeys.
  4. Allison Automatic Transmission: Sinotruk Howo also offers models equipped with Allison automatic transmissions. Allison transmissions are renowned for their durability, reliability, and smooth operation.
  • Please note that the availability of specific transmission types may vary depending on the model and specifications of the Sinotruk Howo vehicle.
SINOTRUK-TRANSMISSION-HW19710
SINOTRUK TRANSMISSION HW19710
FAST TRANSMISSION
SINOTRUK HW20716 Transmission Parts Catalog
SINOTRUK HW20716 Transmission

Features & Advantages of Sinotruk Howo Transmission

  • The main box double countershaft structure: the symmetrically arranged double countershafts balance the radial forces on the input shaft and the gears on the main shaft. The input shaft and the main shaft only bear the torque without bending deformation; the intermediate bearing is subject to bending moment reduction Small 1/2, small bending deformation, good gear meshing condition.
  • Sub-box planetary mechanism: This mechanism has the characteristics of compact structure, light weight, large transmission ratio and high efficiency. Since one sun gear meshes with 5 planetary gears at the same time, the bearing capacity is greater.

The sun gear and ring gear of the auxiliary box are floating to ensure even loading of the planetary mechanism. The application of the planetary mechanism of the auxiliary box and the rigid support of the output shaft’s large-span moment bearing ensure the support rigidity of the output shaft, which greatly increases the life of the auxiliary box gear and effectively solves the shortcomings of the low life of the auxiliary box of other products.

The mesh sleeve and the corresponding gear spline hole are designed with large chamfers. At the same time, due to the floating of the main shaft and main shaft gear, it can play a certain role in positioning and synchronization. The use of the mesh sleeve reduces the failure rate of the main box.

When the shift fork shaft of the auxiliary box range is not in place, the interlocking plate gets into trouble under the action of the shift fork shaft, so that the main box shift fork shaft is locked in the neutral position. Then push the lock plate, so that the main box can be shifted to the fork shaft, and then connected to each other to be blocked as needed.
Self-locking structure

The self-locking device of the operating mechanism traditionally uses a steel ball self-locking structure, which is easy to wear. The transmission adopts a sector-shaped self-locking block and a self-locking pin shaft for self-locking, and uses a sector-shaped self-locking block and a housing to limit the position.

Interlocking structure

Interlocking is achieved by using an interlocking fork. When in a certain gear neutral position, only the shift block of the gear is aligned with the groove of the interlock fork, and the shift block on the other shift fork shaft is just blocked by the inner wall of the interlock fork. , Is locked in the neutral position, so as to achieve interlocking, the interlocking effect is good.

Reverse lock

Structurally, to ensure that the reverse gear is engaged, it is necessary to overcome the greater spring force and the spring force of the high and low gear positioning ring to prevent accidental engagement of the reverse gear.

Double H valve

When the interlocking fork moves with the shift shaft to select the gear, it drives the spherical sliding column of the double H valve to realize the conversion of high and low gears.The adopted double H valve of the new structure effectively solves the defect of high leakage failure rate of the double H valve of other products.

Howo Transmission and Spare Parts

Gearbox and Spare Parts

Howo Transmission Parts Catalog PDF​

Online Catalog Index

Howo Transmission Parts-Double H valve assembly WG2203250003
Double H valve assembly WG2203250003
WG2203100006
High-grade cone hub assembly WG2203100006
WG2210040425
Shaft thrid gear WG2210040425
Transmission Parts-WG2203250010
Air Lock Valve Assembly WG2203250010
Main shaf with ball head assembly WG2203040030
WG2210040440
Shaft first gear WG2210040440
Howo Gear AZ2210030325
Deputy shaft drive gear AZ2210030325
AZ2203100002
Planetary gears assembly AZ2203100002
Sinotruk Truck Sensor
Odometer Sensor WG2209280010
Low-grade cone hub assembly WG2203100005
WG9700290150
Direct power takeoff HW50-05 WG9700290150
Sinotruk Howo Shaft Second Gear WG2210040416
Shaft second gear WG2210040416
Gear Shifter
Gear Shifter
Shift Solenoid
Shift Solenoid
Gear Linkage
Gear Linkage
Torque Convertor
Torque Convertor
transmission shaft AZ9557310625
Transmission Shaft
DL-LG901B-4 Transmission Odometer sensor
Truck Sensor
Transmission Pan
Transmission
Pan
Transmission Temp Gauge
Transmission Temp Gauge
Transmission Cooler Lines
Transmission Cooler Lines
Transmission oil cooler core WD.614070142
Transmission Oil Cooler
Solenoid valve WG9719710004
Transmission Solenoid
Output Shaft Speed Sensor
Output Shaft Speed Sensor
Transmission Fluid Pressure Sensor
Transmission Fluid Pressure Sensor
Automatic Transmission Gears
Automatic Transmission Gears
201V27421-0190 Water Temperature Sensor
Transmission Temperature Sensor
Howo Transmission Parts-Double H valve assembly WG2203250003
Transmission Valve Body

Our HOWO truck transmission system is an advanced piece of machinery known for its superior performance and reliability. Our drivetrains provide critical support for truck operation and come with a variety of functions and features.

  1. First of all, our HOWO truck transmission system adopts Tiptronic transmission technology. The Tiptronic transmission combines the advantages of manual and automatic transmissions, allowing the driver to manually control gear changes or select automatic mode. This technology provides greater driving control and comfort, as well as faster gear changes.
  2. Secondly, our transmission system is also equipped with sensors to detect the transmission range. The transmission range sensor is an important component that ensures shifts are occurring within the correct transmission range for proper truck operation.
  3. In addition, our transmission system also has transmission temperature monitoring function. Transmission temperature is an important parameter that indicates whether the drive system is operating properly and whether cooling measures are required. Our system can monitor the transmission temperature in real time and take appropriate measures as needed to ensure the stability and reliability of the transmission system.
  4. Our HOWO truck transmission system also adopts excellent performance transmission technology. This technology can provide higher output torque and faster acceleration performance to meet the needs of trucks under different working conditions. Whether on city roads or in adverse road conditions, our drivetrains deliver outstanding performance and reliability.
  5. In addition, our transmission system also features semi-automatic shifting. Semi-automatic shifting technology combines the characteristics of manual and automatic shifting, allowing the driver to more smoothly control the truck’s shifting operations. This technology not only improves driving pleasure, but also improves gear shifting efficiency and accuracy.
  6. In response to the frequent need to replace the transmission system, we provide rebuilt transmission devices and remanufactured transmission devices. These transmissions are meticulously overhauled and tested to ensure performance and reliability comparable to new transmissions. Using remanufactured or remanufactured transmissions can effectively reduce costs while maintaining truck reliability and safety.
  7. For those who need driveline repairs or modifications, we also offer driveline rebuild kits. These kits include a variety of necessary Transmission Parts and accessories to meet a variety of needs. Users can choose a suitable rebuild kit based on the specific situation to ensure that the performance and reliability of the drive system are effectively maintained or improved.
  8. Finally, for transmission shift solenoid valve needs, we provide a variety of options. Our shift solenoid valve adopts advanced technology and has the characteristics of quick response, stability and reliability. Whether as a drivetrain replacement or upgrade, our shift solenoids are designed to meet your needs.
  • Overall, our HOWO truck drivetrains combine advanced technology and quality components to ensure superior performance and reliability. Whether in challenging work environments or long distances, our drivetrains provide trucks with an exceptional driving experience and reliability.

Experience a New Dimension: Video Presentation of Transmission

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The Price List of Howo Transmission Parts

Howo Transmission Parts

FAST Transmission Parts

Application of Howo Transmission

The HOWO transmission can be found in various HOWO truck models, including:

  1. HOWO Dump Trucks: HOWO dump trucks are widely used in construction and mining industries for transporting loose materials, such as sand, gravel, or construction debris. They are equipped with robust transmissions to handle the heavy loads and challenging terrains.
  2. HOWO Tractor Trucks: HOWO tractor trucks are designed for hauling heavy trailers over long distances. These trucks are commonly used in logistics and transportation industries for carrying goods and products. The reliable transmission in these trucks ensures smooth power delivery and efficient performance.
  3. HOWO Concrete Mixer Trucks: HOWO concrete mixer trucks are used in the construction industry for transporting concrete to construction sites. These trucks are equipped with specialized transmissions to handle the demanding nature of concrete mixing and delivery operations.
  4. HOWO Cargo Trucks: HOWO cargo trucks are versatile and are used for various types of cargo transportation, such as general goods, refrigerated goods, or specialized cargo. The transmission in these trucks ensures efficient power transfer and optimal performance.
  5. HOWO Tanker Trucks: HOWO tanker trucks are commonly used for transporting liquids, such as fuel, oil, or chemicals. They are equipped with transmissions that are designed to handle the specific requirements of liquid transportation, including pump engagement and pressure control.

These are just a few examples of the types of HOWO trucks that utilize HOWO transmissions. It’s important to note that the specific transmission models may vary depending on the truck model, engine configuration, and other factors. We will determine your transmission model based on your truck model.

Packing of Howo Transmission Parts

When packing Howo Transmission Parts, it is important to ensure that they are properly protected to prevent any damage during transportation. Below are some steps to effectively pack Howo Transmission Parts:
  1. Clean the Parts: Before packing, make sure to thoroughly clean the Howo Transmission Parts to remove any dirt, grease, or debris. This will help maintain the quality of the Transmission Parts during transportation.
  2. Use Appropriate Packaging Materials: Select the appropriate packaging materials to protect the Transmission Parts. consider using sturdy cardboard boxes, foam inserts, bubble wrap, or packing peanuts to cushion and secure Howo Transmission Parts.
  3. Wrap Individual Parts: Wrap each Howo Transmission Part individually with bubble wrap or foam padding to provide additional protection against shock and vibration. This will prevent scratches or potential damage from friction.
  4. Consider organizing Howo Transmission Parts: If there are multiple Howo Transmission Parts, we will organize them systematically. We will use small plastic bags or compartments within the package to separate Howo Transmission Parts and avoid tangling or potential damage from contact.
  5. Proper Sealing: After placing Howo Transmission Parts securely inside the package, make sure the box is properly sealed to prevent it from accidentally opening or shifting during transportation. Use strong packing tape to seal all edges and corners of the box.
  6. Label the Package: Clearly label the package with the appropriate shipping label, including the recipient’s address, contact information, and any other relevant details.

FAQ of Howo Transmission Parts

  1. Superior Performance: Our Howo Transmission is built to deliver reliable and efficient performance, even in demanding conditions. It can handle heavy loads and provides smooth and precise gear shifts, enhancing the overall driving experience.
  2. Durability and Longevity: Howo Transmission is constructed with high-quality materials and advanced technology, ensuring its durability and longevity. It can withstand rigorous use and is designed to perform consistently, reducing the need for frequent repairs and replacements.
  3. Fuel Efficiency and Easy Maintenance: Our Howo Transmission is engineered to optimize fuel efficiency, minimizing energy loss and reducing operating costs. It also features an easy maintenance design, with accessible components and simplified service processes, making it convenient for technicians to diagnose and repair any issues.
The Howo Transmission is a complex and sophisticated system that works to transfer power from the engine to the wheels of a vehicle. Here is a brief description of how it works:
  1. Power Input: The transmission receives power from the engine via the input shaft. This power is sent into the transmission in the form of rotational energy.
  2. Gear Selection: The driver selects the desired gear using the gear selector lever. The Howo Transmission typically offers a range of gears, including forward gears for different speeds and a reverse gear for backward movement.
  3. Gear Ratio: Depending on the gear selected, the transmission engages different sets of gears to achieve the desired gear ratio. This ratio determines the speed and torque output of the transmission.
  4. Clutch Engagement: In a manual transmission, the clutch pedal is depressed to disengage the engine from the transmission momentarily while shifting gears. This allows for a smooth transition between gears without causing damage to the transmission.
  5. Power Output: Once the desired gear is engaged, power is transmitted from the transmission to the wheels via the output shaft. The gear ratio selected influences the rotation speed and torque applied to the wheels.
  6. Torque Converter (Automatic Transmission): In an automatic transmission, a torque converter is used to transfer power from the engine to the transmission. It uses hydraulic fluid to transmit power and allows for smooth and seamless gear changes without the need for manual clutch engagement.
  • Overall, the Howo Transmission works by selecting the appropriate gear ratio and engaging the clutch or torque converter to transfer power from the engine to the wheels, enabling the vehicle to move at different speeds and loads.
  • The cost of a Howo Transmission can vary depending on several factors, including the specific model, availability, and seller. Therefore, it is difficult to provide an exact price without more specific information. We recommend contacting us for accurate pricing details based on your specific needs. We can provide you with up-to-date and accurate information about Howell Transmission costs.
To properly use the Howo Transmission in a truck, follow these general steps:
  1. Familiarize yourself with the gear selector: The gear selector is typically located on the floor of the truck or on the steering column. It allows you to choose the desired gear for your driving needs.
  2. Start the engine: Ensure the truck’s engine is running before attempting to engage the transmission. This can be done by turning the ignition key or pressing the start button, depending on the truck’s design.
  3. Depress the clutch pedal (for manual transmission): If your truck has a manual transmission, depress the clutch pedal with your foot to disengage the engine from the transmission. This allows for smooth gear shifting.
  4. Select appropriate gear: With the clutch pedal depressed (if applicable), move the gear selector to the desired gear. This will typically involve moving the gear lever forward or backward or selecting a specific gear number.
  5. Release the clutch pedal (for manual transmission): Slowly release the clutch pedal while gradually applying pressure to the accelerator pedal. This allows the clutch to engage and transfers power from the engine to the transmission, enabling the truck to move.
  6. Accelerate and shift gears (for manual transmission): As you accelerate, monitor the engine’s RPM (revolutions per minute) and the truck’s speed. When the engine RPM reaches the optimal range for the next gear, depress the clutch pedal again, shift to the next appropriate gear, and release the clutch pedal smoothly while continuing to apply pressure on the accelerator.
  7. Operate the gear selector (for automatic transmission): If your truck has an automatic transmission, the gear shifting is done automatically. Simply move the gear selector to “Drive” or “D” and release the brake pedal to start moving. The transmission will shift gears automatically based on speed and load conditions.
  • Remember to always follow the specific instructions provided in the truck’s user manual as the exact operation may vary depending on the model and configuration.

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