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| Model | 8JS85C/85E |
| Brand | Fast |
| Number of Gears | 8 forward gears + 2 reverse gears |
| Shifting Mode | Manual Transmission |
| Maximum Input Torque | 850 N.m |
| Adapted Vehicles | Suitable for harsh working conditions and high-intensity heavy-duty operations, widely applied in buses, coaches, trucks, tractors, trailers and special vehicles |
These parts are engineered exclusively for the FAST 8JS85C/85E 8-speed manual gearbox, tailored to heavy-duty scenarios like long-haul transportation, logistics and special vehicle operations.
Crafted from premium materials—high-strength steel for shafts and gears, wear-resistant rubber for seals, and durable engineering plastics for structural components—all parts undergo professional precision processing. Key processes include forging, heat treatment, CNC machining and assembly calibration, meeting the gearbox’s 850 N.m maximum input torque requirement.
1. Clutch and Transmission Case Assembly
2. Second Shaft Assembly
3. Left and Right Countershaft Assembly
| No. | Parts No. | Part Name | Qty. |
|---|---|---|---|
| 1 | C09034 | Pre-Coated Hexagon Head Bolt | 2 |
| 2 | JS85T-1701040 | Input Shaft Bearing Cover | 1 |
| 7 | C04012-2 | Clutch Release Fork | 1 |
| 20 | JS85T-1601015-9 | Clutch Housing | 1 |
| 29 | JS85E-1701015 | Transmission Case | 1 |
| 33 | A-5000 | Servo Valve Assembly | 1 |
