Tongxing Synchronizers: Your Trusted Partner for Heavy-Duty Truck Differential & Transmission Gear Solutions

Introduction

At Fujian Tongxing Automobile Synchronizers Co., Ltd., we’ve been powering the global commercial vehicle industry since 1983 . With over 40 years of precision engineering expertise, we specialize in manufacturing high-performance truck differential assemblies, transmission gears, and synchronizers that meet the rigorous demands of heavy-duty logistics, mining, and long-haul transportation.

Why Choose Tongxing?

1. Unmatched Technical Capabilities

• 800+ CNC Machines & Advanced QA Systems: Our state-of-the-art facilities ensure micron-level precision in every component, from synchronizer cones to planetary gears 
• Material Excellence: Components like differential gears are forged from 20CrMnTi carburized steel (HRC 58-62 hardness) for extreme wear resistance and fatigue strength 

2. OEM-Certified Compatibility

• Global Brand Coverage: Our parts are interchangeable with systems from Nissan, Mercedes-Benz, ZF, Hino, and Renault .
• Direct OEM Replacements: Products like Divider Gear 38687-90000 and Synchronizer Cone OEM 1297233056 are engineered to match original specifications, reducing downtime for repairs .

3. End-to-End Solutions

• Complete Product Ecosystem: From synchronizer assemblies to bearing kits and adjustment arms, we support full gearbox rebuilds .
• Customization & Bulk Orders: Tailored packaging (anti-rust paper + wooden cases) and branding options available 

Key Product Highlights

① Truck Differentials

• Applications: Ideal for Sinotruk HOWO, Mercedes-Benz Atego, and Nissan UD series.
• Key Features:
  • Precision-machined side gears and pinion gears for optimal torque distribution.
  • ISO 9001-certified production with TUV validation 

② Transmission Gears & Synchronizers

• Core Products:
  • ZF 16S Series Sliding Sleeves (e.g., OEM 1269333047) for seamless gear shifting.
  • Heavy-Duty Synchronizer Kits compatible with G60/G85 gearboxes .
• Material Innovation: Carburized steel components undergo CNC grinding and shot peening for extended service life 

Global Reach, Local Support

• 30-Day Shipping: Seamless logistics to North America, Europe, Africa, and Asia 
• Technical Documentation: Detailed installation guides and compatibility charts for 600+ models, including Mitsubishi FUSO Canter and Dongfeng trucks 

Trusted by Industry Leaders

As a National High-Tech Enterprise and Specialized SME  we serve:

• Fleet Operators: Minimize maintenance costs with durable aftermarket solutions.
• Distributors: Access competitive pricing for bulk orders.
• Repair Workshops: Reduce turnaround time with ready-to-install kits.

Call to Action

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