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16S221
ZF
Model: ZF16S221 (Ecosplit series)
Brand: ZF (ZF Friedrichshafen AG)
Structure: 16 forward gears + 2 reverse gears, main & auxiliary box compound structure, manual shift, high-performance synchronizers
Max rated torque: 2500 N·m
Weight: approx. 319kg
Oil capacity: 13L
Main box center distance: 154mm
Versions: Direct-drive / Overdrive configurations
Applicable Vehicles: Heavy semi-trailer tractors, bulk transport trucks, large engineering trucks (Shandeka, MAN, DAF, Volvo, Dongfeng etc.)
Category: Heavy Truck Drivetrain Parts – Complete 16-Speed Manual Gearbox Assembly
Material: High-strength cast iron housing, hardened alloy steel helical gears, multi-cone synchronizers, heavy-duty bearings and oil seals
Ecosplit main & auxiliary box split structure, ultra-wide speed ratio range, strong low-speed climbing ability and high highway efficiency
Multi-cone high-performance synchronizer design, smooth shifting, reduced gear impact and extended service life
Precision helical gear set with surface hardening treatment, low noise, high rigidity and excellent heavy-load durability
Multiple PTO interfaces and optional integrated retarder versions, adaptable to dump trucks, mixers and special vocational vehicles
Robust cast housing and advanced sealing structure, good heat dissipation and stable sealing to prevent oil leakage
Mature European heavy-duty transmission design, compatible with mainstream heavy truck chassis and clutch systems
Application
For full transmission overhaul and replacement of 2500Nm class long-haul heavy tractors and vocational heavy trucks. Confirm clutch housing interface, PTO configuration and heavy-duty gear oil specification before installation. Fill with specified ZF transmission oil, test shift function and check for leaks before formal road operation.
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.
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