Shandong Shengyue Technology Development Co.,Ltd is one of the most professional fast electronically controlled pneumatic 12-speed amt assembly c12jsdqxl240ta manufacturers and suppliers in China. Please feel free to buy high quality genuine auto parts at competitive price from our factory.
Transmission assembly model Tl C12JSDQXL240TA
Customer Serial No. G31368
Input Torque 2400 N·m
Factory number 8.251200086
Shaanxi Fast Gear Company, Ltd.
Power and Physical Structure Specifications
| Parameter Item | Technical Specifications / Rigid Standards |
|---|---|
| Max. Input Torque | 2400 N·m |
| Max. Input Speed | 2600 RPM |
| Engine Power Range | 430 hp ~ 560 hp |
| Total Transmission Length | 997.1 mm |
| Net Weight | 312 kg (excluding oil and clutch) |
| Housing Material | High-strength aluminum alloy (Full aluminum housing) |
| Core Transmission Layout | Twin-countershaft helical main box + Rear planetary auxiliary box |
Gear Ratios Specification
| Gear Position | Precise Digital Gear Ratio |
|---|---|
| 1st Gear | 12.26 |
| 12th Gear (Top Gear) | 0.781 (Overdrive) |
| Reverse 1 (R1) | 11.45 |
| Reverse 2 (R2) | 2.64 |
| Gear Ratio Steps (Average) | 1.20 ~ 1.25 (Excellent shifting smoothness) |
Electronic Control, Pneumatic, and Communication Parameters
| Parameter Item | Technical Specifications / Standard Requirements |
|---|---|
| System Rated Voltage | DC 24 V (Vehicle onboard power supply) |
| Independent Air Pressure Range | 0.75 ~ 0.85 MPa |
| Bus Communication Protocol | SAE J1939 Standard (CAN Bus) |
| Matching Clutch Specification | Φ430 mm pull-type single-plate clutch |
| Actuator Rated Stroke | 45 ~ 55 mm (CPCA Central Pneumatic Clutch Actuator) |
Oil, Lubrication, and Capacity Parameters
| Parameter Item | Technical Specifications / Maintenance Standards |
|---|---|
| First Fill Capacity (Dry Box) | Approx. 15.5 Liters |
| Refill Capacity (Routine Maintenance) | Approx. 14.0 ~ 14.5 Liters |
| Specified Factory Oil Grade | FAST Genuine 75W-90 Fully Synthetic Heavy-Duty Gear Oil |
| Core Lubrication Method | Front-mounted vane pump forced oil supply + Gear splash dual lubrication |
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