T-shift 12-speed MT

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.

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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
Key parameters	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
Shifting Performance	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

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