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12JSD200T
Fast

Model: 12JSD200T
Brand: FAST (Shaanxi Fast Auto Drive Group)
Structure: 12 forward gears + 2 reverse gears, twin countershaft, main box full synchronizer, dual-H manual shift
Max rated torque: 2000 N·m
Head gear ratio: 15.53
Oil capacity: approx. 16L
Weight: approx. 375kg
Applicable Vehicles: 6x4 heavy semi-trailer tractors, long-distance logistics trucks, dump trucks and heavy vocational vehicles
Category: Heavy Truck Drivetrain Parts – Complete 12-Speed Manual Gearbox Assembly
Material: Cast iron housing, high-strength alloy steel gears/shafts, full synchronizer assemblies, oil seals and bearings
Twin countershaft + main box full synchronizer design, smooth shifting, effectively reducing gear impact wear and improving driving comfort
Precision deep heat-treated alloy steel gears, high structural rigidity, stable meshing, low noise and excellent heavy-load durability
Ultra-wide speed ratio range, balancing strong low-speed climbing torque and highway cruising fuel economy for mixed mountain and highway routes
Robust cast iron housing and high-performance oil seals, reducing oil leakage and improving overall structural rigidity under vibration conditions
Standard mounting interface, compatible with mainstream heavy truck chassis and clutch systems, easy maintenance and direct replacement
Mature Fast heavy-duty transmission design, strong overload resistance and long service life for long-haul heavy transport
Application


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.
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