Product Description

Product Description

Car Fitment Wrangler F150 F250
OE No. D44456
Speed Ratio 11/50
Type Differential Gear
Material 20CrMnTi/ 8620
Hardness HRC58-62
Treatment Carburizing,Hardening,
tempering,high frequency treatment,black coating,zincing,nickelage

We can make all kinds of CHINAMFG Wheel Pinion as per your drawing or sample by our DHL account.

D3571 11/41 CJ5/7/8 CHINAMFG 30 FRONT STD.3.73 72-86
D3571TJ 11/41 TJ (97-06) FRONT CHINAMFG 30 3.73 (SHORT STYLE)
D3571 10/41 CJ5/7 CHINAMFG 30 FRONT STD.4.10
D3571R 10/41 YJ(87-95) FRONT CHINAMFG 30 REVERSE 3.73 XJ(84-91)
D3571TJ 10/41 TJ (97-06) FRONT CHINAMFG 30 4.10 (SHORT STYLE)
D3 0571 9/41 CJ5/7/8 CHINAMFG 30 FRONT STD.4.56 72/86
D3 0571 R 9/41 YJ(87/95) FRONT CHINAMFG 30 REVERSE 4.56 XJ(84-91)
D3 0571 TJ 9/41 TJ(97-06( FONT CHINAMFG 304.56 (SHORT STYLE) XJ(92-01)
D30488 8/39 CJ5/7 CHINAMFG 30 FRONT STD.4.88 72-86
D30488R 8/39 YJ(87-95) FRONT CHINAMFG DANA 30 REVERSE 4.88 XJ(84-91)
D3571JK 8/41 YJ(07-21) FRONT DANA30 5.13 
D35712(47715) 18/49  
D35373 11/41 YJ/TJ CHINAMFG 35 REAR 3.73
D35411 10/41 YJ87-95 /TJ97-06/XJ93-07 CHINAMFG 35 REAR 4.10
D35456 9/41 YJ/TJ CHINAMFG 35 REAR 4.56
D35488 8/39 YJ/TJ CHINAMFG 35 REAR 4.88
D44373 11/41 TJ REAR CHINAMFG 44 3.73
D44409 11/45 TJ REAR CHINAMFG 44 4.10 22745
D44456R 9/41 DANA 44 4.56 REVERSE
D44455 11/50 TJ REAR CHINAMFG 44 4.56 22105
D44455X 11/50  
D44488R 8/39 DANA 44 4.88 REVERSE
D44489 9/44 TJ REAR CHINAMFG 44 4.88 23053
D44489X 9/44  
D44513R 8/41 DANA 44 5.13 REVERSE
D44513 8/41 TJ REAR CHINAMFG 44 5.13
D5 0571 Sep-41  
D50488 Aug-39  
D5571 Aug-41  
D44-4-373 Nov-41 85719
D44-4-342 Dec-41 80364
D44-4-353 46/13 75945
D44-4-307 43/14  
D44-4-346 Nov-38 84707
D44463 37*8 74960
D44410 41*10 80320
D44373 41*11 22736X
D44456 41*9 85713
D44323 42*13 28744
D44331 43*13 23592X
D44307 43*14 22106X
D44354 46*13 22856X
D44427 47*11 23064 JEEP WILLYS 11*47 8125051 ANO 1985(CJ6)
D44427X 47*11 CHRYSLER
D44538 43*8  
D44-3-342 41*12 660150
D6571 37*9 74905 CHINAMFG 3F,D60-411,9X37
D6571 41*10 24807(FORD250)
D6571 41*11 25538
D6 0571 46*13 24813
D6 0571 41*9 FORD F250
D6 0571 X 41*9  
D6571 41*8  
D6571R 41*8  
D60586 41*7  
D6571 43*8 Isuzu NHR,D60-586 7*41
D6571R 43*8  
D60488 39*8  
D60488R 39*8  
D70488 39*8 72148
D7571 41*10 72153
D7571 41*11 72159
D7571 41*8 72150 C30/P30 F350 41*8 5.3
D7 0571 41*9 72152 CHINAMFG F350 75-80
D7 0571 X 46*13 72168
D70-1-410 41*10 72154 CHINAMFG F350 BAJA 75/80 41*10 4.10
D70586 41*7 72156 D300/P300 41*7 5.86
D75-410 41*10 BA457171-X CHINAMFG Cargo
D75-462 37*8 BA457104-X
D8571 41*8 73168
D8571 41*10 73200
D8571X 41*40  
D80430 43*10 76128
D80488 39*8 76138
D80463 37*8 73167
D8571 41*11 76256
D8 0571 46*13 73353

Company Profile


HangZhou CHINAMFG Machinery is a professional manufacture of spiral bevel gear. The company has CNC milling machine, the GLEASON milling machine, rolling inspection machine, gear measuring center, a full set of metallographic analysis, inspection equipment and other related advanced equipment.
Our company owns gear measuring center equipped with advanced testing machines such as contourgraph, universal measuring microscope and full set netlaaographic analysis detector. According to various technical requirements and through procedures of sampling, special inspection and re-examination, multi-indexes of gears like observation, measurement and tracking can be completed.
With our high quality products, high credibility and trusty cooperation, aiming to be a highly specialized gear manufacturer of high level and all-directional service,we are looking CHINAMFG to your  business negotiation and our promising cooperation.



Q1: Are your products standard?
A: Our model is standard, if you have specific demand, pls tell us the details. 
Q2: What is you main categories?
A: Commercial Vehicles Like Isuzu,Nissan, Hino, CHINAMFG ,Toyota , Mazda ,Suzuki, Agricultural Machinery and Electric Storage.
Q3: If we don’t find what we want on your website, what should we do? 
A: You can email us the descriptions and pictures of the products you need, we will check whether we have them. 
B: We develop new items every month, and some of them have not been uploaded to website in time. Or you can send us sample by express, we will develop this item for bulk purchasing. 
Q4: What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages before you pay the balance.
Q5:Do you test all your goods before delivery?
Yes, we have 100% test before delivery.

Application: Motor, Electric Cars, Motorcycle, Machinery, Agricultural Machinery, Car
Hardness: Hardened Tooth Surface
Gear Position: External Gear
Manufacturing Method: Cut Gear
Toothed Portion Shape: Curved Gear
Material: Cast Steel


Customized Request

worm gear

What is the lifespan of a typical worm gear?

The lifespan of a typical worm gear can vary depending on several factors, including the quality of materials, design, operating conditions, maintenance practices, and the specific application. Here’s a detailed explanation of the factors that influence the lifespan of a worm gear:

1. Quality of materials: The choice of materials used in the construction of the worm gear greatly impacts its lifespan. High-quality materials, such as hardened steel or bronze, offer better durability, wear resistance, and overall longevity compared to lower-quality materials. The selection of appropriate materials based on the application requirements is crucial for achieving a longer lifespan.

2. Design considerations: The design of the worm gear, including factors such as tooth profile, size, and load distribution, can influence its lifespan. Well-designed worm gears with optimized tooth geometry and proper load-carrying capacity tend to have longer lifespans. Additionally, features like lubrication systems and anti-backlash mechanisms can also contribute to improved durability and extended lifespan.

3. Operating conditions: The operating conditions under which the worm gear operates play a significant role in determining its lifespan. Factors such as load magnitude, speed, temperature, and environmental conditions can affect the wear and fatigue characteristics of the gear. Properly matching the worm gear to the application requirements and ensuring that it operates within specified limits can help prolong its lifespan.

4. Maintenance practices: Regular maintenance and proper lubrication are essential for maximizing the lifespan of a worm gear. Adequate lubrication helps reduce friction, wear, and heat generation, thereby extending the gear’s life. Regular inspections, lubricant replenishment, and timely replacement of worn or damaged components are important maintenance practices that can positively impact the lifespan of the worm gear.

5. Application-specific factors: The specific application in which the worm gear is used can also influence its lifespan. Factors such as operating cycles, torque levels, shock loads, and duty cycles vary between applications and can impact the wear and fatigue experienced by the gear. Understanding the unique requirements and demands of the application and selecting a worm gear that is appropriately rated and designed for those conditions can contribute to a longer lifespan.

Given the variations in materials, designs, operating conditions, and maintenance practices, it is challenging to provide a specific lifespan for a typical worm gear. However, with proper selection, installation, and maintenance, worm gears can have a lifespan ranging from several years to decades, depending on the factors mentioned above.

It is worth noting that monitoring the performance of the worm gear through regular inspections and addressing any signs of wear, damage, or excessive backlash can help identify potential issues early and extend the gear’s lifespan. Additionally, following the manufacturer’s guidelines and recommendations regarding maintenance intervals, lubrication types, and operating limits can significantly contribute to maximizing the lifespan of a worm gear.

worm gear

Can worm gears be used in automotive applications?

Yes, worm gears can be used in certain automotive applications. Here’s a detailed explanation of their use in the automotive industry:

1. Steering Systems: Worm gears are commonly used in automotive steering systems, particularly in older vehicles. They can provide the necessary torque and precision for steering control. The self-locking feature of worm gears is advantageous in steering applications as it helps maintain the desired steering position even when external forces are applied. However, it’s important to note that many modern vehicles have transitioned to other steering mechanisms such as rack and pinion for improved efficiency and performance.

2. Window Regulators: Worm gears can be found in power window regulator systems in some vehicles. They help convert rotational motion into linear motion, allowing for the smooth and controlled movement of windows. Worm gears in window regulators are often paired with a mechanical linkage system to distribute the motion to multiple windows.

3. Convertible Top Mechanisms: In convertible vehicles, worm gears can be utilized in the mechanisms that raise and lower the convertible top. The high torque capabilities of worm gears make them suitable for these applications, as they can effectively handle the load of the top and ensure smooth and reliable operation.

4. Accessory Drives: Worm gears can be employed in accessory drives within the automotive engine compartment. They can be used to transfer power from the engine to various accessories such as water pumps, fuel pumps, and air compressors. However, it’s important to note that other power transmission mechanisms such as belts and pulleys or gear drives are more commonly used in modern automotive accessory drive systems due to their higher efficiency and compact design.

5. Limited-Slip Differentials: Worm gears can be incorporated into limited-slip differentials in some automotive applications. Limited-slip differentials distribute torque between the wheels to improve traction and stability. Worm gears can provide the necessary torque multiplication and torque biasing capabilities required for limited-slip differentials.

While worm gears can be found in these automotive applications, it’s important to consider that other power transmission mechanisms such as spur gears, bevel gears, and belt drives are more commonly used in modern automotive designs. These alternatives often offer higher efficiency, compactness, and better performance characteristics for automotive applications. Additionally, advancements in technology and the pursuit of lightweight and efficient designs have led to the adoption of alternative power transmission systems in many automotive applications.

Overall, while worm gears have a place in certain automotive applications, their use is more limited compared to other power transmission mechanisms commonly employed in the automotive industry.

worm gear

How do you choose the right size worm gear for your application?

Choosing the right size worm gear for your application involves considering several factors to ensure optimal performance and longevity. Here are the key considerations:

Load Requirements:

Determine the maximum load that the worm gear will need to transmit. This includes both the torque (rotational force) and the axial load (force along the axis of the gear). Calculate or estimate the peak and continuous loads that the gear will experience during operation. Consider factors such as shock loads, dynamic forces, and variations in load conditions. This information will help determine the required load-carrying capacity of the worm gear.

Gear Ratio:

Determine the desired gear ratio for your application. The gear ratio determines the speed reduction and torque multiplication provided by the worm gear system. Consider the specific requirements of your application, such as the desired output speed and the torque needed to drive the load. Select a worm gear with a gear ratio that meets your application’s requirements while considering the limitations of the available gear options.


Consider the efficiency requirements of your application. Worm gears typically have lower efficiency compared to other types of gears due to the sliding action between the worm and worm wheel. If efficiency is critical for your application, choose a worm gear design and materials that offer higher efficiency, such as a double enveloping worm gear.

Space Constraints:

Evaluate the available space for the worm gear assembly in your application. Consider the dimensions of the worm gear, including the diameter, length, and mounting requirements. Ensure that the chosen worm gear can fit within the available space without compromising other components or functionality.

Speed and Operating Conditions:

Consider the operating speed and environmental conditions in which the worm gear will operate. Some worm gears have speed limitations due to factors such as heat generation and lubrication requirements. Ensure that the selected worm gear is suitable for the anticipated speed range and can withstand the temperature, humidity, and other environmental factors of your application.

Manufacturing Standards and Quality:

Select a worm gear that conforms to recognized manufacturing standards and quality requirements. Look for worm gears from reputable manufacturers that offer reliable and durable products. Consider factors such as material quality, surface finish, and precision in the gear manufacturing process.

By carefully evaluating these factors and considering the specific requirements of your application, you can choose the right size worm gear that meets your performance, load, and space requirements, resulting in a reliable and efficient gear system.

China Custom Differential Gearboxes Competitive Price Dana44 Fod F150 Worm Helical Bevel Gear spiral bevel gearChina Custom Differential Gearboxes Competitive Price Dana44 Fod F150 Worm Helical Bevel Gear spiral bevel gear
editor by CX 2023-09-13