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| Specifications | Details |
|---|---|
| Model | C6J45TB |
| Brand | Fast |
| Number of Gears | 6 forward gears + 1 reverse gear |
| Shifting Mode | Manual Transmission |
| Maximum Input Torque | 450 N.m |
| Adapted Vehicles | Suitable for harsh working conditions and heavy-duty operations, widely applied in buses, trucks, tractors and special vehicles |
These parts are engineered exclusively for the FAST C6J45TB 6-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 airtightness testing, meeting the gearbox’s 450 N.m maximum input torque requirement. Strict dimensional accuracy and performance inspections ensure full compatibility with original equipment.
Direct-fit design allows hassle-free installation without modification, fully interchangeable with original parts. Ideal for routine maintenance, emergency repairs and fleet bulk procurement.
| No. | Parts No. | Part Name | Qty. |
|---|---|---|---|
| 1 | Q1841252 | Hexagon Flange Bolt | 8 |
| 2 | 78CT5737F0 | Self-Lubricating Constant-Contact Clutch Release Bearing | 1 |
| 3 | 15641022-4 | Release Fork | 1 |
| 4 | C04022-2 | Release Fork Bushing | 1 |
| 5 | Q5280318 | Elastic Cylinder Pin | 2 |
| 6 | Q40306 | Spring Washer | 1 |
| 7 | Q150B0610 | Hexagon Head Bolt | 1 |
| 8 | C04022-1 | Release Fork Bushing | 1 |
| 9 | C04016-4 | Card Plate | 1 |
| 10 | 15621040-2 | Input Shaft Bearing Cover | 1 |
| 11 | Q1420825 | Hexagon Head Bolt and Spring Washer Assembly | 4 |
| 12 | 5J30T-1701024B-1 | Input Shaft Oil Seal | 1 |
| 13 | 15626015-Y | Clutch Housing | 1 |
| 14 | 15641020-1 | Inspection Hole Cover | 2 |
| 15 | Q1420612 | Hexagon Head Bolt and Spring Washer Assembly | 4 |
| 16 | Q1420812 | Hexagon Head Bolt and Spring Washer Assembly | 2 |
| 17 | 15641020-2 | Inspection Hole Cover | 1 |
| 18 | Q1421025 | Hexagon Head Bolt and Spring Washer Assembly | 6 |
| 19 | 5J30T-1701020B-1 | PTO Window Cover | 1 |
| 20 | QD40I-4211187 | Pipe Plug | 3 |
| 21 | QD40I-4211188 | O-Ring | 4 |
| 22 | 5J30T-1701085B-1 | Oil Drain Magnet Plug Assembly | 1 |
| 23 | Q5210612 | Cylinder Pin | 2 |
| 24 | 15621015-Y | Transmission Case | 1 |
| 25 | C04015-9 | Release Strut | 1 |
| 26 | Q40320 | Spring Washer | 1 |
| 27 | Q340B20 | Type 1 Hexagon Nut | 1 |
| 28 | Q2713508 | Cross Recessed Pan Head Self-Tapping Screw - Type C | 2 |
| 29 | C01007-271 | Name Plate | 1 |
| 30 | Q1421020 | Hexagon Head Bolt and Spring Washer Assembly | 1 |
| 31 | 20815 | Lifting Bent Plate | 1 |
| 32 | Q72318 | Sealing Washer | 1 |
| 33 | Q617B18 | Hexagon Head Pipe Plug | 1 |
| No. | Parts No. | Part Name | Qty. |
|---|---|---|---|
| - | 15681100-2 | Second Shaft Assembly | 1 |
| 1 | 15621105-2 | Second Shaft | 1 |
| 2 | 15621107 | Reverse Gear Seat Retaining Ring | 1 |
| 3 | 15621108-1 | Second Shaft Reverse Gear Seat | 1 |
| 4 | 15621109-1 | Reverse Sliding Gear Sleeve | 1 |
| 5 | 15631110 | Second Shaft Reverse Gear | 1 |
| 6 | 15621118 | Reverse Gear Bearing Seat | 1 |
| 7 | 15631121 | Second Shaft 1st Gear Assembly | 1 |
| 8 | FQZC2558X63X28 | Needle Bearing | 1 |
| 9 | FQZC2558X63X38 | Needle Bearing | 3 |
| 10 | 15621119 | 1st Gear Bearing Seat | 1 |
| 11 | 15621130-1 | 1st/2nd Gear Synchronizer Assembly | 1 |
| 12 | 15621122 | Second Shaft 2nd Gear Assembly | 1 |
| 13 | 15621123-3 | Second Shaft 3rd Gear Assembly | 1 |
| 14 | JS125T-1701123 | Stop Ring | 1 |
| 15 | 15621140-1 | 3rd/4th Gear Synchronizer Assembly | 1 |
| 16 | FQZC2548X54X30 | Needle Bearing | 1 |
| 17 | 15621117 | Second Shaft 4th Gear Retaining Ring | 1 |
| 18 | 15621124-1 | Second Shaft 4th Gear Assembly | 1 |
| 19 | JS85T-1701122 | Stop Ring | 1 |
| 20 | 15631125 | Second Shaft Overdrive Gear Assembly | 1 |
| 21 | K35X40X30_5ZWD | Needle Bearing | 1 |
| 22 | 15621150-3 | 5th/6th Gear Synchronizer Assembly | 1 |
| 23 | 5J55T-1701123 | Spacer | 1 |
| 24 | RN2304X2-YA-1 | Cylindrical Roller Bearing Without Outer Ring | 1 |
| 25 | Q43120 | Elastic Retaining Ring for Shaft | 1 |
| 26 | 4_00G100BGB-T308 | Steel Ball | 1 |
| No. | Parts No. | Part Name | Qty. |
|---|---|---|---|
| - | 15681047 | Countershaft Assembly | 1 |
| 1 | Q43135 | Elastic Retaining Ring for Shaft | 1 |
| 2 | 32207 | Tapered Roller Bearing | 2 |
| 3 | 15681056 | Countershaft Drive Gear | 1 |
| 4 | 15631055 | Countershaft Overdrive Gear | 1 |
| 5 | 15621054 | Countershaft 4th Gear | 1 |
| 6 | 15621053 | Countershaft 3rd Gear | 1 |
| 7 | 15631048 | Countershaft | 1 |
