Used ZF 16S221 16-Speed Manual Gearbox with 2500 N·m Max Input Torque and Lightweight Aluminum Alloy Housing
Genuine second-hand ZF Ecosplit 16S221 manual transmission, max input torque 2500N·m, full synchronizer design with pneumatic Servoshift assist for light, smooth gear shifts. Dual-range split gear structure, wide ratio coverage: low gear for heavy climbing, overdrive top gear for highway fuel saving. Lightweight aluminum alloy housing, forced circulation lubrication, optional integrated Intarder hydraulic retarder for downhill safety. Fully compatible with Sinotruk Sitrak, HOWO, Dongfeng, FAW J6, Hino heavy trucks.
Every gearbox fully disassembled, cleaned, inspected and bench-tested for gear clearance, sealing and shifting performance. Complete shift cylinder, connecting housing and auxiliary parts, direct plug-and-play replacement without modification.
Global complete spare parts supply reduces long-term maintenance cost. In stock with fast delivery, preferential bulk wholesale price, premium heavy-duty transmission for logistics fleets and repair workshops.
| Attribute Name | Attribute Value |
|---|---|
| Product Name | Used ZF 16S221 Heavy Manual Gearbox (ZF221) |
| Model Variant | ZF16S221OD (Overdrive) / ZF16S221TD (Direct) |
| Gear Layout | 16 forward gears + 2 reverse gears |
| Max Input Torque | 2500 N·m |
| Net Weight / Oil Capacity | 319 kg / 13 L |
| Main Box Center Distance | 154 mm |
| Speed Ratio Range | Low gear 13.82, Overdrive top gear 0.84 |
| Brand | ZF Friedrichshafen (Germany) |
| Core Configuration | Full synchronizer, pneumatic shift assist, optional hydraulic retarder |
| Core Selling Points | Ultra-wide gear ratio, smooth light shifting, lightweight durable casing, fully bench-tested, complete matching accessories, low failure rate |
| Application | 6*4/8*4 Tractor Head, Concrete Mixer, Mining Dump Truck, Long-haul Cargo Vehicle |
| Condition | Used, No oil leakage, No abnormal gear noise, Full shift assembly & auxiliaries |
| Inventory Status | In Stock, Fast Delivery |
| Supply Type | Wholesale, Bulk Order Discount Available |
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