FAW Jiefang T-shift Heavy-duty MT is a new MT transmission designed and developed by FAW Jiefang to meet the operational needs of hazardous materials transportation, express delivery, and general freight markets. Benchmarking against international high-end products, it is a highly reliable and ultra-efficient MT gearbox.
Technical Characteristics
High Value
1%+21kg
① Precision Lubrication Technology Enhances Efficiency
② Lightweight Housing Technology Reduces Weight
③ Long-lasting Lubricant 或 Extended-life Lubricant
High Comfort
<100dB(A)
① Full Helical Gear Structure
② Axial Force Balanced Structure
③ Standard Shift-assist Air Cylinder
④ R-gear Dead-end Mechanism
High Reliability
1,500,000km
① Ultra-long B10 Life
② Integrated Valve + Planetary Gear
③ Low-friction Synchronizer Technology
④ Pre-installed Interfaces for External Cooling and Fine Filtration
Specifications
| Key parameters | Directdrive | Overdrive | ||
| 12TA300S | 12TAX230S | 12TAX280S | 12TAX350S | |
| Torque Nm | 3000 | 2300 | 2800 | 3500 |
| Matching Engine PowerPs | 420-620 | 350-460 | 460-580 | 580-680 |
| Gear Ratio Range | 15.911-1 | 12.408-0.777 | 12.189-0.783 | |
| Length （mm） | 974 | 937 | 974 | |
| Overall Transmission Efficiency（%） | 98.4% | 98.2% | 97.92% | |
| Dry weight（kg） | 294.3 | 277 | 294.3 | |
| Lubricant Volume（L） | 11.2 | 9 | 11.2 | |
| B10-life（km） | 150 | 100 | 150 | |
The T-shift 12-speed AMT direct gear product outperforms major domestic and international competitors in torque, B10 life, shift power interruption time, efficiency, noise, oil change interval, and lubricant volume.
| Category | Key Metrics | FAW 12TA300A（Directdrive） | FAW 12TAX280S（Overdrive） | FAW 12TAX230S（Overdrive） |
| Basicparameter | Gear | 12 | 12 | 12 |
| Torque （Nm） | 3000DD | 2800 | 2300 | |
| Gear Ratio Range | 15.911~1 | 12.189-0.783 | 12.41~0.78 | |
| Length （mm） | 10.204（Measured） | 974 | 937 | |
| Shifting Performance | Subjective Driving Performance Score（score） | 974（Measured） | 97.92 | ≥7 |
| Shift Power Interruption Time（s） | — | — | — | |
| Fuel Economy | Overall Transmission Efficiency（%） | 98.4（Measured） | 20 | 98.2 |
| Oil Change Interval(km) | 20 | 294.3 | 20 | |
| Dry Weight(kg) | 294.3（Measured） | 11.2 | 277 | |
| Lubricant Volume（L） | 11.2（Measured） | 150 | 9 | |
| Reliability & Durability | B10 Life(km) | 1500000 | 100.1 | 1000000 |
| NVH | Maximum Radiated Sound Power(dB(A)) | 100.6（Measured） | 20 | 100 |
Globally Leading Intelligent Power Solutions
We have delivered over 280,000 high-performance engines to 67 countries and regions worldwide. Explore intelligent manufacturing and reliable power to create greater value for your business.
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