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ZF 9S1110TD Transmission Assembly
ZF 9S1110TD Transmission Assembly
ZF 9S1110TD Transmission Assembly

Forward gears: 9 gears | Reverse gear: 1 gear
Max input torque: 1100 N·m
Main box center distance: 154 mm
Transmission oil capacity: 14.5 L, oil specification API GL-4 SAE 80W
Full transmission net weight: 190 KG
Gear Ratio Table
1st:12.73 / 2nd:8.83 / 3rd:6.28 / 4th:4.64 / 5th:3.48 / 6th:2.54 / 7th:1.81 / 8th:1.34 / 9th:1.00 (Direct Drive) / Reverse:12.04
Integrated die-cast aluminum alloy clutch housing & main box, lightweight high-rigidity structure, effectively reduce whole vehicle weight, anti-deformation under long-term 1100Nm medium torque operation;
Twin countershaft layout, all forward gears adopt multi-cone full synchronizer, light shift force, smooth gear switching and low running noise;
All gear sets use 20CrMnTi carburized alloy steel, vacuum quenching + precision helical tooth grinding, outstanding wear resistance and long service life;
TD direct-drive 9th gear design, small speed ratio step, outstanding fuel economy for highway medium-load transportation;
Built-in forced circulating lubrication oil channel, uniform oil supply for internal bearings and synchronizers to avoid dry friction damage;
Standard side wall PTO reserved interface, compatible with sanitation water truck, sprinkler and hydraulic auxiliary equipment;
Complete supporting shift mechanism, neutral switch, speed sensor and original wiring harness, one-stop complete assembly replacement;
High temperature resistant nitrile rubber sealing gaskets on all joint surfaces, stable sealing within -30℃~130℃ gearbox working temperature;
Strict full-load torsion impact test, continuous shift cycle simulation and hydraulic sealing leakage test before delivery, stable transmission performance for long-distance medium haul freight.


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.
