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ZF16S251 WSK400 transmission with engine assembly
ZF
ZF16S251 WSK400 transmission with engine assembly

Gearbox housing: High-strength nodular cast iron, anti-crack & shock resistant under extreme overload
Internal gears: Carburized alloy steel, precision grinding, low noise & long service life
WSK400 torque converter: Sealed hydraulic fluid structure, torque magnification coefficient up to 1.5, automatic lock-up at cruising speed
Integrated hydraulic retarder: Stable auxiliary braking, drastically reduces service brake wear on mountain routes
Pneumatic split shift mechanism, smooth high/low range switching; optional multi-position PTO interface for engineering vehicles
Integrated oil cooling circulation system, stable temperature control under long-hour heavy haul


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.

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.

* 8000 square meters of large warehouse.
* To provide you with convenient, fast and low-cost e-commerce one-stop service.
