Nazhihui
1 / 4
| 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, and 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—high-strength steel for shafts/housings, wear-resistant rubber for seals, and durable plastics for regulators—all parts undergo professional precision processing. Key processes include forging, CNC machining, heat treatment, and airtightness testing, meeting the gearbox’s 2000Nm maximum input torque requirement. Strict dimensional accuracy and performance inspections ensure full compatibility with original equipment.
Air Filter Regulator Assembly Parts: Filtering air impurities and regulating pneumatic system pressure.
PTO Assembly Parts: Enabling power take-off for auxiliary equipment.
Transmission Case Related Parts: Supporting the gearbox’s lubrication and structural stability.
Cover Related Parts: Ensuring sealing and assembly accuracy of top/rear covers.
Direct-fit design allows hassle-free installation without modification, fully interchangeable with original parts. Ideal for routine maintenance, emergency repairs, and fleet bulk procurement.
1. Air Filter Regulator Assembly
| No. | Parts No. | Part Name | Qty. |
|---|---|---|---|
| 1 | Q1420660 | Hexagon Head Bolt and Spring Washer Assembly | 2 |
| 2 | 66604 | Air Pipe Assembly | 1 |
| 3 | A-C03002-11 | Air Filter Regulator and Pipe Plug Assembly | 1 |
| 4 | C01052 | 45° Pipe Fitting | 1 |
2. Other Related Parts for Top Cover and Rear Cover
| No. | Parts No. | Part Name | Qty. |
|---|---|---|---|
| 1 | 12JS160T-1702016 | Top Cover Gasket | 1 |
| 2 | Q5211026 | Cylinder Pin | 1 |
| 3 | 6JS160T-1709588-1 | O-Ring | 3 |
| 8 | 20815 | Lifting Bent Plate | 2 |
| 10 | 42308E | Cylindrical Roller Bearing | 2 |
3. Other Related Parts for Transmission Case
| No. | Parts No. | Part Name | Qty. |
|---|---|---|---|
| 2 | 12JSDX240T-1701068 | Countershaft Baffle Plate Assembly | 2 |
| 4 | NUP2211ENM | Cylindrical Roller Bearing | 2 |
| 8 | JS150TA-1708090B-1 | Oil Pump Diversion Valve | 1 |
| 22 | 9JS200T-1701123 | Auxiliary Case Drive Gear | 1 |
4. Power Take-Off (PTO) Assembly
| No. | Parts No. | Part Name | Qty. |
|---|---|---|---|
| 1 | QH70-4211101-7 | PTO Housing | 1 |
| 6 | QH70-4211301 | Shift Fork | 1 |
| 17 | QH70-4211201 | Output Gear Shaft | 1 |
| 25 | QH70-4211302 | Clutch Gear Sleeve | 1 |
• MOQ: 1 piece
• Packaging: Customizable wooden crate/carton
• Delivery: 3-20 working days (express: DHL/FedEx; sea freight for bulk)
• Payment: L/C, T/T, Western Union; tracking number provided in 24hrs
• After-Sales Service: 24-hour technical support, global service network
