ZF12 Automatic Transmission Assembly 12TX2420TD
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ZF12 Automatic Transmission Assembly 12TX2420TD

12TX2420TD is the ZF TraXon 12-speed automated manual transmission (AMT) assembly, a direct-drive heavy-duty version for long-haul heavy trucks. It features 12 forward gears, high torque capacity, integrated mechatronic control module and intelligent shift strategy, with lightweight aluminum housing and CAN bus communication. It supports predictive cruise and coasting functions, optimized for long-distance highway transport, delivering high efficiency, fuel economy and driving comfort under continuous heavy-load conditions.
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  • ZF12TX2420TD 12TX2620TD

  • ZF

  • ZF12TX2420TD 12TX2620TD

Product parameters

Basic Info

    • Alias: ZF TraXon 12-speed AMT direct drive gearbox

    • Model: 12TX2420TD

    • Brand: ZF Friedrichshafen AG

    • Type: 12-speed automated manual transmission (AMT, direct drive version)

    • Max Input Torque: 2400 Nm

    • Forward Gears: 12

    • Structure: High-efficiency helical gears, integrated electro-hydraulic control module, aluminum alloy housing

    • Applicable Vehicles: Foton Auman, Sinotruk Sitrak, MAN, DAF and other heavy-duty long-haul tractors

    • Category: Heavy Truck Drivetrain – Complete TraXon 12-Speed AMT Transmission Assembly

      • Net Weight: approx. 270kg

      • Package Contents: 1 x ZF 12TX2420TD TraXon transmission assembly

      • Material: Cast aluminum alloy housing + high-strength alloy steel gear set, integrated TCU/mechatronic module


    Material & Advantages


  1. Lightweight cast aluminum housing, reducing overall vehicle weight and improving fuel efficiency

  2. High-torque helical gear structure, high transmission efficiency, suitable for continuous heavy-load highway operation

  3. Integrated intelligent electro-hydraulic control system, fast and smooth automated shifting

  4. CAN bus J1939 communication, compatible with modern heavy truck chassis and predictive cruise systems

  5. Direct-drive configuration, optimized for steady highway cruising and long oil drain intervals

  6. Heavy-duty validated for long-haul linehaul cycles, with built-in fault diagnosis function



Application


Long-distance highway logistics, bulk cargo transport, container transport fleets and heavy vocational tractors. Used for original replacement and overhaul of modern heavy-duty tractors. Requires ZF diagnostic tools for programming, coding and clutch adaptation after installation.


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.



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About Us
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