Truck gearbox assembly 12AS2330TO
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Truck gearbox assembly 12AS2330TO

12AS2330TO is a ZF AStronic series 12-speed automated manual (AMT) heavy-duty truck transmission assembly, designed for high-horsepower long-haul heavy tractors. It has 12 forward gears + 2 reverse gears, electronic automated shift control, helical gear structure, rated for 2300 N·m maximum input torque, with optional integrated retarder and PTO configurations. It adapts to mountain, highway and heavy cargo transport, balancing low-speed climbing torque and high-speed fuel economy, solving faults such as abnormal shifting, oil leakage, synchronizer damage, overheating and electronic control system failure.
 
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  • 12AS2330TO

  • ZF

  • 12AS2330TO

Product parameters

Basic Info

    • Model: 12AS2330TO (ZF AStronic series)

    • Brand: ZF (ZF Friedrichshafen AG)

    • Structure: 12 forward gears + 2 reverse gears, AMT automated manual transmission, helical gears, electronic shift control system, optional hydraulic retarder

    • Max Rated Torque: 2300 N·m

    • Gear Ratio Range: 12.33 ~ 0.78 (overdrive design)

    • Weight: approx. 450kg

    • Oil Capacity: approx. 13L, specified ZF heavy-duty transmission fluid

    • Applicable Vehicles: MAN TGA/TGS/TGX, DAF, IVECO, long-haul heavy tractor trucks

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

    • Material: Reinforced cast iron housing, high-alloy steel helical gear sets, synchronizer assemblies, electronic shift actuator, TCU control unit, bearings, oil seals



  • Material & Advantages


  • Stronic intelligent 12-speed AMT system, adaptive automatic shifting, reduces driver fatigue and improves fuel efficiency

  • Precision fine-pitch helical gears, low noise and vibration, high durability for continuous heavy-load long-distance operation

  • Optional hydraulic retarder, providing auxiliary braking to improve safety on mountain routes

  • Modular structure with multiple PTO interfaces, adaptable to special vocational vehicles such as mixers and tankers

  • Robust cast iron housing, good heat dissipation and vibration resistance for long-haul heavy transport cycles

  • Standard mounting interface compatible with mainstream European heavy truck chassis, supports ZF professional diagnosis and calibration



Application


For full transmission overhaul and replacement of long-haul heavy trucks. Confirm bell housing, input shaft spline, flange and electrical connector specifications before installation; fill with specified ZF gearbox oil; complete TCU adaptive learning and retarder calibration after installation; test shift function, retarder operation and check for oil leaks and abnormal noise before formal operation. Follow official ZF maintenance schedules for fluid replacement and inspection.



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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