China high quality Middle Axle Housing Assembly for CZPT CZPT Truck Parts Az9231330990 dexter axle

Product Description

Middle axle housing assembly for CZPT CZPT Truck Parts AZ923133571


(1) High-quality ductile iron, ZG270-500, cast steel material, toughness and plasticity, high strength and hardness.

(2) Machining by machining center, standard size and stable quality.

(3) Single inspection out of the warehouse to ensure 100% qualified products out of the warehouse.

(4) A number of tests are carried out at the outbound warehouse to ensure the stability of the vehicle loading.


Name total length Center distance Spring distance Remark
Sinotruk CZPT Middle axle housing 2090MM 1571MM 190X125 V pushes 2 large bearings




Factory Show

Product role

Vehicle drive axle wheel set, including wheel reducer, brake assembly, wheel hub assembly, steering knuckle, support shaft assembly, wheel drive shaft, upper swing arm coupling assembly, and lower swing arm coupling assembly. The supporting shaft always becomes a hollow shaft, the wheel drive shaft penetrates the inside of the supporting shaft assembly and is connected to the wheel reducer, and the wheel hub assembly is installed on the supporting shaft assembly.

Automobile drive axle function: the drive axle is at the end of the power transmission system. Its basic function is to increase the torque transmitted by the transmission shaft or transmission, and reasonably distribute the power to the left and right drive wheels. In addition, it also bears the vertical, longitudinal and transverse forces acting between the road surface and the frame or body. The drive axle is generally composed of main reducer, differential, wheel transmission device and drive axle housing.

The working principle of the drive axle is at the end of the power train, and its basic functions are:

1.Transmit the engine torque from the universal transmission to the driving wheels through the main reduction tires, differentials, half shafts, etc., so as to reduce the speed and increase the torque;
2.Change the torque transmission direction through the bevel gear pair of the final reducer;
3.The differential function of the wheels on both sides is realized through the differential to ensure that the inner and outer wheels turn at different speeds. The drive axle is a mechanism at the end of the drive train that can change the speed and torque from the transmission and transmit them to the drive wheels. The drive axle is generally composed of a main reducer, a differential, a wheel transmission device and a drive axle housing, and the steering drive axle also has a constant velocity universal joint. In addition, the drive axle has to withstand the vertical force, longitudinal force and lateral force, as well as braking torque and reaction force acting between the road surface and the frame or body.

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Our Exhibitions

ZheJiang Qinyi Auto Parts Manufacturing Co., Ltd. Was established in 2011. We are a heavy-duty truck auto parts professional manufacturer, which integrating research and development, production, assembly line and product sales. The products include SINOTRUK, SHACMAN, Foton, North-Benz(BEIBEN), SAIC Xihu (West Lake) Dis.n, CZPT Xihu (West Lake) Dis., Xihu (West Lake) Dis.feng, CZPT Truck, Volvo,  MAN, DAF, Benz and so on.

Our factory is located in HangZhou, ZheJiang , China. The production workshop covers an area of 3, 200 square meters, the assembly workshop covers an area of 2, 200 square meters, and the warehouse covers an area of 3, 800 square meters. We have a mature production system and product research and development capabilities, rich assembly experience, and advanced testing equipment. Provide you with competitive and high quality products.

Our company based on the enterprise spirit of innovation, development, integrity and hard work, and adheres to the concept of “quality first, craftsmanship spirit, reputation-based, high-quality service”, and has been recognized by many domestic and foreign auto parts dealers, and has reached long-term and stable cooperation with them to achieve mutual support and win-win.

Up to now, we have been pioneering, innovative and enterprising. With good reputation and relying on high-quality products, we will wholeheartedly provide our customers with high-quality services.

Company advantages:

1. Integrating research and development, production, processing, inspection and sales to maintain competitiveness and high quality.

2. We have a professional auto parts service team and rich industry experience to solve difficult problems in the auto parts industry for you.

3. We have brand service and market area protection to ensure the uniqueness and competitiveness of customers selling our company′s products.

4. Regular products have sufficient inventory to ensure accurate and on-time delivery.

5. Precise research and development of customized products, rapid production of finished products, which can greatly save you money, time and energy.

A cooperation, a lifelong friend!

Packaging & Shipping


Dear customer, thank you for choosing our products and purchasing our services. Our logistics department is always focused on the needs and interests of our customers and pays attention to every detail of the packaging and transportation of goods.

In terms of packaging, we carry out multi-layered packaging according to the characteristics of the products and the mode of transportation to ensure that the goods are not subject to crushing, wear and tear, collision and other effects during the transportation process. We also carry out strict acceptance checks on each package to ensure that each product reaches the customer in perfect condition.

In terms of delivery lead time, we always arrange delivery as soon as possible in accordance with the contractual timeframe and the specific requirements of our customers. We work with reputable logistics companies to strike a balance between efficiency and cost to ensure that your goods arrive exactly when promised.

In terms of sea freight moisture treatment, we use the highest quality moisture-proof materials and reinforcements, and use humidity-controlled boxes with adjustable humidity to ensure that our products are not affected by moisture, etc. during sea freight.

We are committed to providing our customers with the most complete logistics services and a meticulous service experience. Thank you for your trust and support. If you have any questions or needs, please feel free to contact us and we will be happy to assist you.


Honor Certificate


Dear customer, thank you for your interest. We are proud to be CZPT to show you our factory certificate, which proves our strict control over the quality of our products and the strict control of our raw materials.

We attach great importance to every step of the production process, from the initial procurement of raw materials, manufacturing, to the packaging and transportation of our products, all of which are operated in strict accordance with international standards. Our production workshops are equipped with modern production facilities and use advanced production technology, and the products we produce are subject to a variety of tests before they leave the factory.

To ensure the stability and consistency of our product quality, we select certified suppliers in the procurement of raw materials and conduct stringent tests on them. Our quality management system covers the entire process of product production, with supporting management processes for all aspects of production plHangZhou, material control, production processes and finished product inspection.

Our efforts have been unanimously recognised by our customers at home and abroad, who are very satisfied with our products, and we have received a number of certifications at home and abroad, proving that we have always had high requirements and strict control over the quality of our products.

We will continue to do our utmost to ensure that every product we produce is of a high standard for our customers and the market, and to maintain a high level of real-time communication and service.

Thank you again for your support and trust! Please feel free to contact us with any needs or questions you may have and we will be happy to assist you.



Q1. Are you a factory or trading company? 

We are a factory integrating research, development, production and sales.

Q2. What are the advantages of your products?
We support product customization to meet customer needs for special products. We can strictly control the products from raw materials to production, processing, product quality inspection, delivery, packaging, etc., and provide customers with high-end products and the most advantageous prices.

Q3. How about products price?
We are a factory, all products are direct sale at factory price. For the same price, we will provide the best quality; for the same quality, we have the most advantageous price.

Q4. What is your terms of packing?
We have branded packaging and neutral packaging, and we can also do what you want with authorization. This is flexible.

Q5. How to guarantee your after-sales service?
Strict inspection during production, Strictly check the products before shipment to ensure our packaging in good condition. Track and receive feedback from customer regularly. Our products warranty is 365 days.
Each product provides quality assurance service. If there is a problem with the product within the warranty period, the customer can negotiate with us in detail about the related claims, and we will do our best to satisfy the customer.

Q6. How can I accurately buy the products I need?
We need accurate product number, If you can’t provide product number, you can send us your product picture, or tell us your truck model, engine name plate, and so on. we will
determine exactly what you need products.

Q7. Do you accept third party inspection?
Yes.we do

Q8. How about your delivery time?
Generally, it will take 3 to 10 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

Q9. What are your brand agency conditions and advantages?
After we sign an agent in 1 city, we will not sign a second company to protect the agent’s brand advantage and price advantage. And we will help the agent develop customers and solve all kinds of difficult and miscellaneous problems about products.

Q10. What is your terms of payment?
By TT or LC. We’ll show you the photos of the products and packages before you pay the balance.

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After-sales Service: Support
Warranty: 12 Months
Type: Chassis
US$ 726/Piece
1 Piece(Min.Order)


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Return&refunds: You can apply for a refund up to 30 days after receipt of the products.


Are there guidelines for choosing the right axle for towing heavy loads?

When it comes to towing heavy loads, selecting the appropriate axle is crucial for ensuring safe and efficient towing performance. While the specific guidelines may vary depending on the vehicle and towing requirements, there are general considerations to keep in mind when choosing the right axle. Here’s a detailed explanation of the guidelines for selecting the right axle for towing heavy loads:

Gross Axle Weight Rating (GAWR):

One of the primary factors to consider is the Gross Axle Weight Rating (GAWR) provided by the vehicle manufacturer. The GAWR specifies the maximum weight that an axle is designed to support safely. It is essential to ensure that the selected axle’s GAWR is sufficient to handle the anticipated weight of the loaded trailer and any additional cargo or passengers in the towing vehicle. Exceeding the GAWR can lead to axle failure, compromised handling, and safety risks.

Towing Capacity:

Check the towing capacity of your vehicle, which represents the maximum weight that the vehicle is rated to tow. The axle’s capacity should align with the towing capacity to ensure safe and efficient towing. Consider the type and size of the trailer you intend to tow, including its loaded weight, tongue weight, and any weight distribution considerations. The axle should be capable of handling the anticipated load without exceeding its capacity.

Matching Axle and Suspension:

The axle and suspension system work together to support the weight of the vehicle and the trailer being towed. It is important to ensure that the axle and suspension are properly matched to provide adequate support and stability. Consider the type of suspension (leaf springs, coil springs, air suspension) and the axle’s design (solid axle, independent suspension) to ensure compatibility and optimal towing performance.

Braking System:

When towing heavy loads, the braking system plays a critical role in maintaining control and safety. Ensure that the axle is equipped with appropriate brakes that can handle the increased load. Consider the type of brakes, such as electric brakes or hydraulic brakes, and their capacity to provide sufficient stopping power for the combined weight of the towing vehicle and trailer.

Weight Distribution:

Proper weight distribution is essential for safe towing. The axle should be selected based on the anticipated weight distribution between the towing vehicle and the trailer. Consider factors like tongue weight and the use of weight distribution hitches or sway control devices to ensure balanced weight distribution and optimal handling characteristics.

Consult Manufacturer Recommendations:

Always refer to the vehicle manufacturer’s recommendations, specifications, and guidelines when selecting an axle for towing heavy loads. The manufacturer’s guidelines will provide accurate and vehicle-specific information to help you make the right choice. Consult the owner’s manual or contact the manufacturer directly for any specific towing-related recommendations.

It’s important to note that towing requirements and axle specifications can vary depending on the vehicle make and model, as well as regional regulations. It is advisable to consult with automotive experts, such as mechanics or dealerships, who have expertise in towing and can provide specific recommendations based on your vehicle and towing needs.


Are there specific maintenance tips to extend the lifespan of my vehicle’s axles?

Maintaining the axles of your vehicle is crucial for ensuring their longevity, performance, and overall safety. Here are some specific maintenance tips to extend the lifespan of your vehicle’s axles:

  1. Regular Inspection:
  2. Perform regular visual inspections of the axles to check for any signs of damage, leaks, or excessive wear. Look for cracks, bends, or rust on the axle housing, and inspect the axle shafts, seals, and boots. Early detection of issues can help prevent further damage and costly repairs.

  3. Lubrication:
  4. Follow the manufacturer’s recommendations for axle lubrication. Proper lubrication helps reduce friction and wear on the axle components. Regularly check the axle’s lubricant level and quality, and replace it as necessary. Use the recommended lubricant type and viscosity for your specific axle.

  5. Seal Inspection and Replacement:
  6. Check the axle seals for any signs of leaks, such as fluid accumulation around the axle ends. Leaking seals can allow contaminants to enter the axle assembly, leading to premature wear and damage. Replace worn or damaged seals promptly to maintain proper lubrication and prevent contamination.

  7. Proper Loading and Towing:
  8. Ensure that you do not exceed the weight capacity of your vehicle’s axles. Overloading or towing beyond the recommended limits can put excessive stress on the axles, leading to premature wear or failure. Be mindful of the payload and towing capacity specified by the vehicle manufacturer.

  9. Driving Techniques:
  10. Adopt proper driving techniques to minimize stress on the axles. Avoid sudden acceleration, aggressive cornering, and harsh braking, as these actions can subject the axles to excessive forces. Additionally, be cautious when driving over rough terrain or obstacles to prevent impacts that could damage the axles.

  11. Regular Wheel Alignment:
  12. Maintain proper wheel alignment to prevent excessive strain on the axles. Misaligned wheels can put uneven loads on the axles, leading to accelerated wear. Regularly check and adjust the wheel alignment as per the manufacturer’s recommendations.

  13. Proper Tire Inflation:
  14. Ensure that your vehicle’s tires are properly inflated according to the recommended tire pressure. Underinflated or overinflated tires can affect the load distribution on the axles and increase the risk of axle damage. Regularly check and maintain the correct tire pressure.

  15. Service Intervals:
  16. Follow the recommended service intervals for your vehicle, which may include axle inspections, lubricant changes, and other maintenance tasks. Adhering to these intervals ensures that the axles are properly maintained and any potential issues are addressed in a timely manner.

It’s important to consult your vehicle’s owner’s manual for specific maintenance guidelines and intervals provided by the manufacturer. Additionally, if you notice any unusual noises, vibrations, or handling issues related to the axles, it is advisable to have your vehicle inspected by a qualified mechanic to identify and address any potential axle problems promptly.


What is the primary function of an axle in a vehicle or machinery?

An axle plays a vital role in both vehicles and machinery, providing essential functions for their operation. The primary function of an axle is to transmit rotational motion and torque from an engine or power source to the wheels or other rotating components. Here are the key functions of an axle:

  1. Power Transmission:
  2. An axle serves as a mechanical link between the engine or power source and the wheels or driven components. It transfers rotational motion and torque generated by the engine to the wheels, enabling the vehicle or machinery to move. As the engine rotates the axle, the rotational force is transmitted to the wheels, propelling the vehicle forward or driving the machinery’s various components.

  3. Support and Load Bearing:
  4. An axle provides structural support and load-bearing capability, especially in vehicles. It bears the weight of the vehicle or machinery and distributes it evenly across the wheels or supporting components. This load-bearing function ensures stability, balance, and proper weight distribution, contributing to safe and efficient operation.

  5. Wheel and Component Alignment:
  6. The axle helps maintain proper alignment of the wheels or rotating components. It ensures that the wheels are parallel to each other and perpendicular to the ground, promoting stability and optimal tire contact with the road surface. In machinery, the axle aligns and supports the rotating components, ensuring their correct positioning and enabling smooth and efficient operation.

  7. Suspension and Absorption of Shocks:
  8. In vehicles, particularly those with independent suspension systems, the axle plays a role in the suspension system’s operation. It may incorporate features such as differential gears, CV joints, or other mechanisms that allow the wheels to move independently while maintaining power transfer. The axle also contributes to absorbing shocks and vibrations caused by road irregularities, enhancing ride comfort and vehicle handling.

  9. Steering Control:
  10. In some vehicles, such as trucks or buses, the front axle also serves as a steering axle. It connects to the steering mechanism, allowing the driver to control the direction of the vehicle. By turning the axle, the driver can steer the wheels, enabling precise maneuverability and navigation.

  11. Braking:
  12. An axle often integrates braking components, such as brake discs, calipers, or drums. These braking mechanisms are actuated when the driver applies the brakes, creating friction against the rotating axle or wheels and causing deceleration or stopping of the vehicle. The axle’s design can affect braking performance, ensuring effective and reliable stopping power.

Overall, the primary function of an axle in both vehicles and machinery is to transmit rotational motion, torque, and power from the engine or power source to the wheels or rotating components. Additionally, it provides support, load-bearing capability, alignment, suspension, steering control, and braking functions, depending on the specific application and design requirements.

China high quality Middle Axle Housing Assembly for CZPT CZPT Truck Parts Az9231330990   dexter axleChina high quality Middle Axle Housing Assembly for CZPT CZPT Truck Parts Az9231330990   dexter axle
editor by CX 2024-03-28