China high quality Hypoid Marine Spur Truck Parts Gearboxes Transmission Differential Ring and Pinion Set Gear CZPT D44437 for Jeep with Best Sales

Product Description

Product Description

Car Fitment Jeep Wrangler
OE No. D44437FJK
Speed Ratio 11*41
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

spur gear

How do you ensure proper alignment when connecting spur gears?

Proper alignment is crucial when connecting spur gears to ensure smooth and efficient gear operation. Here’s a detailed explanation of how to ensure proper alignment when connecting spur gears:

  • Visual Inspection: Start by visually inspecting the gears, gear shafts, and associated components for any visible misalignment or damage. Look for signs of wear, uneven tooth engagement, or any abnormalities that may affect alignment.
  • Shaft Alignment: Align the gear shafts accurately before connecting the gears. Proper shaft alignment ensures that the gears are positioned correctly relative to each other. This can be achieved through various alignment techniques, such as using alignment tools, laser alignment systems, or measuring devices. The goal is to ensure parallel or coaxial alignment between the gear shafts.
  • Backlash Adjustment: Adjust the backlash between the gear teeth to achieve proper alignment. Backlash refers to the slight gap between the mating teeth of gears. It is important to maintain an appropriate amount of backlash to allow for smooth gear engagement and minimize the risk of binding or jamming. Follow the manufacturer’s recommendations or industry standards for the recommended backlash range and adjust as necessary during gear installation.
  • Check Gear Mesh: Verify the gear meshing pattern to ensure proper alignment. The gear teeth should mesh smoothly and evenly without any signs of excessive or uneven contact. If there are indications of improper meshing, such as concentrated contact on a specific area of the tooth, it may imply misalignment or other issues that need to be addressed.
  • Shim Adjustment: If misalignment is detected, shimming can be employed to correct it. Shimming involves placing thin metal shims between the gear and the shaft to adjust the positioning and alignment. Shims are available in various thicknesses, allowing for precise alignment adjustments. Careful measurement and selection of the appropriate shim thickness can help achieve the desired alignment.
  • Tightening Bolts: When connecting the gears to the shafts, ensure that the bolts or fasteners are tightened evenly and to the recommended torque specifications. Uneven tightening can introduce misalignment or uneven load distribution, leading to gear misalignment and potential issues.
  • Post-Installation Verification: After connecting the gears, perform a final verification of the alignment. Rotate the gears manually or through the gear system’s intended operation and observe the gear meshing behavior. Look for any signs of abnormal noise, vibration, or irregular tooth engagement. If any issues are detected, further adjustments or inspections may be necessary.
  • Regular Maintenance: Implement a proactive maintenance program that includes periodic inspections and alignment verification. Gears can experience wear or misalignment over time due to factors such as load variations, temperature changes, or prolonged operation. Regular maintenance allows for early detection and correction of alignment issues, ensuring optimal gear performance and longevity.

Proper alignment is essential for maximizing the efficiency, durability, and reliability of spur gear systems. By following these alignment practices and considering the manufacturer’s recommendations, industry standards, and expert advice, you can ensure proper alignment when connecting spur gears.

It’s important to note that the specific alignment techniques and procedures may vary depending on the gear system’s design, size, application, and other factors. Consulting with gear manufacturers, engineers, or alignment specialists can provide further guidance on the recommended alignment practices for your specific gear system.

spur gear

How do you install a spur gear system?

Installing a spur gear system involves several steps to ensure proper alignment, engagement, and operation. Here’s a detailed explanation of how to install a spur gear system:

  1. Preparation: Before installation, gather all the necessary components, including the spur gears, shafts, bearings, and any additional mounting hardware. Ensure that the gear system components are clean and free from debris or damage.
  2. Shaft Alignment: Proper shaft alignment is crucial for the smooth operation of a spur gear system. Ensure that the shafts on which the gears will be mounted are aligned accurately and parallel to each other. This can be achieved using alignment tools such as dial indicators or laser alignment systems. Adjust the shaft positions as needed to achieve the desired alignment.
  3. Positioning the Gears: Place the spur gears on the respective shafts in the desired configuration. Ensure that the gears are positioned securely and centered on the shafts. For shafts with keyways, align the gears with the key and ensure a proper fit. Use any necessary mounting hardware, such as set screws or retaining rings, to secure the gears in place.
  4. Checking Gear Engagement: Verify that the teeth of the gears mesh properly with each other. The gear teeth should align accurately and smoothly without any excessive gaps or interference. Rotate the gears by hand to ensure smooth and consistent meshing throughout their rotation. If any misalignment or interference is observed, adjust the gear positions or shaft alignment accordingly.
  5. Bearing Installation: If the spur gear system requires bearings to support the shafts, install the bearings onto the shafts. Ensure that the bearings are the correct size and type for the application. Press or slide the bearings onto the shafts until they are seated securely against any shoulder or bearing housing. Use appropriate methods and tools to prevent damage to the bearings during installation.
  6. Lubrication: Apply a suitable lubricant to the gear teeth and bearings to ensure smooth operation and reduce friction. Refer to the gear manufacturer’s recommendations for the appropriate lubrication type and amount. Proper lubrication helps minimize wear, noise, and heat generation in the gear system.
  7. Final Inspection: Once the gears, shafts, and bearings are installed, perform a final inspection of the entire spur gear system. Check for any unusual noises, misalignment, or binding during manual rotation. Verify that the gears are securely mounted, shafts are properly aligned, and all fasteners are tightened to the specified torque values.

It’s important to follow the specific installation instructions provided by the gear manufacturer to ensure proper installation and operation. Additionally, consult any applicable industry standards and guidelines for gear system installation.

By carefully following these installation steps, you can ensure a well-aligned and properly functioning spur gear system in your machinery or equipment.

spur gear

How do spur gears differ from other types of gears?

Spur gears, as a specific type of gear, possess distinct characteristics and features that set them apart from other types of gears. Here’s a detailed explanation of how spur gears differ from other types of gears:

  • Tooth Geometry: One of the primary differences lies in the tooth geometry. Spur gears have straight teeth that are cut parallel to the gear axis. This differs from other gear types, such as helical gears or bevel gears, which have angled or curved teeth.
  • Gear Meshing: Spur gears mesh by direct contact between their teeth, creating a line or point contact. This meshing arrangement is different from other gear types, such as worm gears or planetary gears, where the teeth mesh in a different manner, such as through sliding contact or multiple points of contact.
  • Direction of Force: Spur gears transmit rotational motion and torque in a specific direction. The force is transmitted along the axis of the gears, making them suitable for parallel shaft arrangements. In contrast, other types of gears, such as bevel gears or hypoid gears, can transmit motion between non-parallel or intersecting shafts.
  • Noise and Vibration: Spur gears tend to produce more noise and vibration compared to certain other gear types. The direct contact between the teeth and the sudden engagement/disengagement of the teeth can generate impact forces, leading to noise and vibration. In contrast, gear types like helical gears or double-enveloping worm gears provide smoother meshing and reduced noise levels.
  • Efficiency and Load Distribution: Spur gears generally offer high efficiency in power transmission due to their direct tooth engagement. However, they may experience higher stress concentrations and load concentrations compared to other gear types. Gear designs like helical gears or planetary gears can distribute the load more evenly across the teeth, reducing stress concentrations.
  • Applications: Spur gears find widespread applications in various industries and equipment. Their simplicity, ease of manufacture, and cost-effectiveness make them suitable for a wide range of systems. Other gear types have specific applications where their unique characteristics, such as high torque transmission, precise motion control, or compact size, are advantageous.

In summary, spur gears differ from other types of gears in terms of tooth geometry, gear meshing, direction of force transmission, noise and vibration characteristics, load distribution, and specific applications. Understanding these differences is crucial when selecting the appropriate gear type for a particular mechanical system, considering factors such as load requirements, motion control, efficiency, and design constraints.

China high quality Hypoid Marine Spur Truck Parts Gearboxes Transmission Differential Ring and Pinion Set Gear CZPT D44437 for Jeep with Best SalesChina high quality Hypoid Marine Spur Truck Parts Gearboxes Transmission Differential Ring and Pinion Set Gear CZPT D44437 for Jeep with Best Sales
editor by CX 2023-09-28