Truck Datong 7-speed Manual Gearbox Input Shaft DC7J100TA08-031A
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Truck Datong 7-speed Manual Gearbox Input Shaft DC7J100TA08-031A

DC7J100TA08-031A is the original input shaft (first shaft) assembly for Datong (China National Heavy Duty Truck Group Datong Gear) DC7J100TA 7-speed medium & heavy-duty manual truck transmission. It is the front core power input component, transferring engine torque into the gearbox main body and meshing with the first gear and synchronizer to complete gear shifting and power transmission. Made of high-strength alloy steel with precision forging and carburizing quenching heat treatment, it features high torsional rigidity, wear resistance and fatigue resistance, adapting to frequent shifting, heavy loads and complex road vibration, solving spline wear, shaft deformation, abnormal noise and power transmission faults.
 
Availability:
Quantity:
  • DC7J100TA08-031A

  • Datong

  • DC7J100TA08-031A

Product parameters

Basic Info

    Alias: Gearbox first shaft, main drive shaft, transmission primary input shaft

    Part Number: DC7J100TA08-031A

    Brand: Datong (CNHTC Datong Gear / 重汽大齿)

    Compatible Gearbox: Datong DC7J100TA 7-speed manual transmission

    Applicable Vehicles: Medium and heavy trucks, commercial vehicles equipped with Datong DC7J100TA 7-speed gearboxes

    Category: Heavy Truck Drivetrain Parts – Datong 7-Speed Gearbox Input Shaft Assembly

    • Net Weight: approx. 10kg

    • Package Contents: 1 x Datong DC7J100TA gearbox input shaft DC7J100TA08-031A

    • Material: High-strength alloy steel, precision forging, carburizing quenching heat treatment, precision spline machining



Material & Advantages


  1. High-strength alloy steel with professional heat treatment, excellent torsion resistance, wear resistance and fatigue resistance

  2. Precision splines and gear journals, ensuring accurate gear meshing and stable torque transmission

  3. OEM standard dimensions for direct replacement and matching with original bearings, gears and synchronizers

  4. Resists bending, fracture and spline abrasion under long-term variable load operation

  5. Fixes abnormal gearbox noise, shifting jitter, power lag, spline damage and input shaft failure faults

  6. Designed for highway transport and mixed complex road conditions



Application


For overhaul and repair of medium/heavy trucks with Datong DC7J100TA 7-speed manual transmissions. Replace worn, damaged or bent input shafts causing abnormal noise, poor shifting and power loss. Install matched bearings and synchronizers, check shaft runout and ensure proper gearbox lubrication before use.



Origin & Lead Time

In stock, delivery within 1–3 working days; bulk orders: 4–7 days; sea freight: 10–24 days


MOQ & Packing

MOQ: 1 piece
Warranty: 6 months, not covered for improper programming, water damage, overvoltage and unauthorized circuit modification
Packing: Anti-static bag + shockproof foam + reinforced export carton

About yongliwei

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Gearboxes assembly include brand ZF, Eaton, FAST, Allison, DONGFENG, DC, Benz, volvo, HOWO, WLY etc. Gearboxes parts includegear, synchronizer, PTO, housing, bearings, shaft, top cover, sensors, wireness, repair kits... etc.


Our products have been exported to more than 50 countries and regions such as Korea, Chile, Russia, Kazakhstan, USA, Ecuador, Turkey, Iran, Africa, Latin America, etc., and have been unanimously recognized by customers.


In the future, we will be committed to creating higher-end quality and more intimate service. And a more comfortable customer experience to build Yongliwei company into an auto parts supplier with excellent corporate culture, scientific development concept and continuous innovation ability.

Company information (1)

Shiyan Yongliwei Industry and Trading Co., Ltd. is a modern enterprise integrating design, development, production and sales of gearbox assembly and gearbox parts.


Our company was founded in Hubei province, China, and has been specialized the truck gearboxes in Chinese offline market for 21 years .Our parts are the leader of gearboxes area in the China now.


Our company was set up in the largest truck parts production base in the world –Shiyan city, Hubei, China, to meet the demand for products in the Asia and South American markets, a professional international trade sales team was born in Hubei in 2021.


Shiyan Yongliwei is focusing on creating high quality, high technology and high standard gearboxes and its parts.

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* 8000 square meters of large warehouse.

* A number of maritime, land, air transport international logistics companies work closely together.

* To provide you with convenient, fast and low-cost e-commerce one-stop service.


About Us
19 years experience for gearbox, 5000㎡ warehouse stocked parts, professional team and high quality after-sale service, your inquiry will be our priority.
Contact Us
Email: truckparts@yongliwei.com 
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            transmission@yongliwei.com
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WhatsApp: +86-13593740499 / +86-18807289527/+8618772950034
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