12JSDX240T-1701056 Countershaft Drive Gear Intermediate Shaft Gear For Shacman Delong SINOTRUK HOWO Foton Auman Truck spare parts Gearbox Transmission System
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Precision Gear Profile: The 12JSDX240T-1701056 countershaft drive gear is manufactured using precision processes to ensure accurate tooth meshing, which reduces noise while improving shift smoothness and transmission efficiency.
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High Power Transmission Capability: This 12JSDX240T-1701056 middle shaft transmission gear handles power transmission from the input shaft; it is engineered to withstand the continuous impact loads, high torque and heavy-duty operating conditions typical of heavy-duty trucks.
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High-Strength Material: Made from premium alloy steel and subjected to forging, heat treatment, and precision CNC machining, the 12JSDX240T-1701056 intermediate shaft gear is capable of handling the torque transmission required for heavy-load operations.
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Wear Resistance: Constructed from steel and strengthened via heat treatment to increase tooth surface hardness, the 12 speed transmission spare parts countershaft drive gear minimizes wear, pitting and fatigue damage during long-term operation.
| Product Name |
12JSDX240T-1701056 Countershaft Drive Gear Intermediate Shaft Gear |
Drive Type | Rear-Wheel Drive |
| Part Number | 12JSDX240T-1701056 | Compatibility |
Diesel Vehicles |
| Type | Gear Box | Torque Capacity | 2500 lb-ft |
| Supply Ability | 42553PCS | Single package size | 20X20X5 cm |
| Application | Heavy Duty Truck | Single gross weight | 3.0 kg |
| Material |
steel |
Color | Black |
| Speeds | 12-speed | Keyword | Counter-Shaft Driven Gear |
| No. | Part Number | Applicable Models | Products Name |
| 1 | 18222 A-5119 18870 | Heavy Duty Truck | Intermediate Shaft Drive Gear |
| 2 | 12JSD200T-1707106 | Transmission Gear | |
| 3 | 12JS200T-1701056 | Shacman delong | Intermediate Shaft Drive |
| 4 | 12JS200T-1701052 | ||
| 5 | 12JS200T-1701051 12JS200T-1701050 | ||
| 6 | 12JSDX240TA-1701113 | FAW | Transmission Gear |
| 7 | 12JS200T-1701112 |
Product and Packaging
- Compatibility:This part is compatible with the Fast 12JSDX240T transmission, it is used in 2400 N·m heavy-duty trucks such as Shacman Delong, Sinotruk Howo and Foton Auman, including tractor units and dump trucks primarily for power transmission via the countershaft.
- Direct Replacement:If issues such as tooth surface pitting or spalling, abnormal transmission noise, tooth breakage, gear engagement failure, keyway wear or key slippage, countershaft idling, heat-induced discoloration or poor lubrication occur, both gears sharing the same part number must be replaced as a matched set.
- Packaging: carton packing and wooden box packing.For example:
Maintenance Points
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Before assembly, inspect the gear tooth surfaces and keyways for cracks, pitting or impact damage.
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Thoroughly clean the countershaft, key, and gear keyway; ensure they are free of metal filings and impurities.
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For dual-countershaft systems, the two gears must share the same part number and be installed as a matched pair; don't mix new and old gears. Ensure the axial clearance meets transmission specifications and that shims are correctly positioned to prevent gear axial movement shifting.
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After assembly, fill the unit with gear oil meeting OEM specifications and perform a test run to check for abnormal transmission noise.
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If gear teeth break or keyways suffer severe wear, repair is prohibited; the assembly must be replaced entirely.
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