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| Model | 12JSD200T-B+QH70 |
|---|---|
| Brand | Fast |
| Number of Gears | 12 forward gears + 2 reverse gears |
| Shifting Mode | Manual Shifting |
| Maximum Input Torque | 2000Nm |
| Adapted Vehicles | Heavy-duty trucks, mining transportation, construction machinery |
These parts are engineered exclusively for the FAST 12JSD200T-B+QH70 12-speed manual gearbox, tailored to heavy-duty scenarios like long-haul transportation, mining, and construction.
Crafted from premium materials—ductile iron for covers, high-strength steel for cylinders, and wear-resistant rubber for seals—all parts undergo professional precision processing. Key processes include precision casting, CNC machining, heat treatment, and airtightness testing, meeting the gearbox's 2000Nm maximum input torque requirement.
1. Rear Cover Assembly
| No. | Parts No. | Part Name | Qty. |
|---|---|---|---|
| 1 | RTD-11609A-1707016 | Rear Cover Gasket | 1 |
| 5 | JSD220-1707015-7 | Rear Cover Housing | 1 |
| 21 | JS220-1707159-1 | Output Flange | 1 |
| 36 | 12JSD160T-1707140-2 | Synchronizer Assembly | 1 |
2. Auxiliary Case Cylinder Assembly
| No. | Parts No. | Part Name | Qty. |
|---|---|---|---|
| 3 | JS220-1707062-1 | Range Gear Cylinder | 1 |
| 5 | 14341 | Range Gear Cylinder Piston | 1 |
| 8 | 14349 | Cylinder Head Gasket | 1 |
| 9 | QH70-4211401-1 | Intermediate Position Cylinder Assembly | 1 |
3. Main Shaft Rear Bearing Cover Assembly
| No. | Parts No. | Part Name | Qty. |
|---|---|---|---|
| 1 | RTD-11609A-1707155-5 | Main Shaft Rear Bearing Cover | 1 |
| 3 | 19109-2 | Oil Seal | 1 |
