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Introduction of 12JSDX240T-1707106-1 FAST 323KD0014 Gearbox First Shaft Gear
12JSDX240T-1707106-1 FAST 323KD0014 Gearbox First Shaft Gear, or gearbox, is an important part of a mechanical transmission system, mainly used to change the speed and torque between the engine output shaft and the drive wheels. It realizes the selection of different ratios through the meshing of a series of gears to adjust the speed and strength of the power transmission.12JSDX240T-1707106-1 FAST 323KD0014 Gearbox First Shaft Gear is not only used in automobiles but is also very common in industrial equipment, agricultural machinery, construction machinery, and other applications that require the adjustment of speed and torque.
Features and benefits of 12JSDX240T-1707106-1 FAST 323KD0014 Gearbox First Shaft Gear
Multi-stage gearing: Multiple gear options are available, allowing speed and torque to be optimized based on load conditions.
Increased Efficiency: Proper gear ratios maximize engine efficiency and reduce fuel consumption.
Enhanced Performance: Provides optimal power output under different operating conditions, improving the overall performance of the equipment.
Protect the engine: Reduce the burden on the engine by adjusting the gear ratio to avoid overloading.
Smooth operation: Using synchronizers and other technologies to ensure smooth gear shifting and reduce shock and noise.
Durability: High-quality materials and precision manufacturing processes ensure a long service life.

(12JSDX240T-1707106-1 FAST 323KD0014 Gearbox First Shaft Gear)
Specification of 12JSDX240T-1707106-1 FAST 323KD0014 Gearbox First Shaft Gear
This gear fits the FAST 323KD0014 gearbox. It is the first shaft gear. This gear connects directly to the clutch. It handles the engine’s power input. Power enters the gearbox through this component. Its job is critical for starting power transfer.
The gear part number is 12JSDX240T-1707106-1. This number identifies the exact part. You need this number for ordering replacements. It matches specific FAST gearbox models. Always verify the part number before installation.
It is made from high-strength alloy steel. This material handles heavy loads. It resists wear under stress. The gear teeth undergo precision machining. Then they receive a hardening heat treatment. This makes the teeth surface very hard. Hardened teeth resist pitting and abrasion. This ensures long service life. The core remains tough. Toughness prevents cracking under shock loads.
The gear has splines on its inner bore. Splines are grooves cut into the metal. They mesh with splines on the input shaft. This connection transfers engine torque securely. It prevents slippage between the gear and shaft. The spline design ensures precise alignment. Correct alignment is vital for smooth operation.
Its tooth profile is helical. Helical teeth cut at an angle. This design runs quieter than straight-cut gears. It also provides smoother engagement. Helical gears handle high torque better. They distribute load across more tooth surface. This reduces stress on individual teeth. Reduced stress means less wear over time.
Precise dimensions are essential. The gear must fit perfectly within the gearbox housing. Exact positioning avoids interference with other parts. Proper clearances prevent binding and overheating. Tight tolerances maintain gear meshing accuracy. Accurate meshing delivers power efficiently. It also minimizes noise and vibration. Always measure critical dimensions during inspection.
This gear withstands high rotational speeds. It handles significant torque loads. Its design focuses on durability and reliability. Regular maintenance checks are important. Look for signs of abnormal wear or damage. Replace the gear promptly if flaws appear. Using the correct replacement part is mandatory. This maintains gearbox performance and safety.

(12JSDX240T-1707106-1 FAST 323KD0014 Gearbox First Shaft Gear)
Applications of 12JSDX240T-1707106-1 FAST 323KD0014 Gearbox First Shaft Gear
This 12JSDX240T-1707106-1 FAST 323KD0014 Gearbox First Shaft Gear is a key part inside heavy-duty gearboxes. It’s the very first gear the engine power hits. This gear grabs spinning force from the engine. It sends this power deeper into the gearbox system. This gear handles the strongest forces right away. Tough job.
It’s built super strong. This gear uses special, hard alloy steel. This steel is treated with heat. The heat treatment makes the gear even tougher. It resists wearing down. It handles heavy impacts better. This strength is vital. The gear operates under extreme stress constantly.
You find this gear in big machines. It works hard in construction equipment. Think big excavators digging deep. Think bulldozers moving earth. Think heavy loaders lifting tons. Mining machines use it too. Big dump trucks hauling rock rely on it. Drilling rigs depend on its power transfer. Agricultural giants need it. Large tractors and powerful harvesters use it. Any big vehicle needing serious pulling power probably has it. This includes heavy transport trucks moving massive loads.
This first shaft gear sets the stage. Its job is critical. It must take the engine’s raw power. It must pass that power smoothly to other gears. Its strength ensures the whole gearbox works reliably. A weak first gear fails fast. It causes breakdowns. It stops big machines dead. This specific part is designed to last. It keeps vital equipment running longer. It reduces costly downtime. This saves money and time for operators. It’s built for the hardest conditions. It delivers consistent power transfer day after day.
Company Introduction
Established in 2009, Gearbox Solutions Machinery Co.,ltd. focus on metal research and mining machinery spare parts. 2 factories over an area of 13,300 square meters, based on 100+ sets of equipment, our production capacity reaches 12000 Tons/Year. has passed ISO 9001 quality managment system certification in 2008.
Our mainly products are dragline excavator spare parts,rotary kiln spare parts, large modulus gear (gear shaft), gearbox ect. 40+ patents with over 45 years experience to help focus on improve the service life of spare parts. We belive that more than 80% reason of mechanical parts’ working life depends on hot processing (steel making/forging/casting/welding/heat treatment). Eight material engineers will control the quality from the original resource.
If you are interested, please feel free to contact us.
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By sea, by air, by express, as customers request.
5 FAQs of 12JSDX240T-1707106-1 FAST 323KD0014 Gearbox First Shaft Gear
What is the 12JSDX240T-1707106-1 FAST 323KD0014 Gearbox First Shaft Gear?
This part is a specific gear. It mounts directly onto the first shaft inside a FAST 323KD0014 gearbox. Its job is to take engine power from the input shaft. It transfers this power to other gears inside the gearbox. This starts the speed change process.
Where is this first shaft gear used?
You find this gear inside FAST 323KD0014 model gearboxes. These gearboxes are used in heavy machinery. Common applications include certain construction equipment and large trucks. It fits the specific design of the 12JSDX240T gearbox assembly.
Why is this first shaft gear important?
This gear handles the initial power transfer from the engine. It sees high torque immediately. A failure here stops the entire gearbox from working. It’s a critical component for reliable power transmission. Its health directly affects the machine’s operation.
Is this gear durable?
Yes, it’s built to last. It’s made from high-strength steel. It undergoes precise heat treatment. This makes it very hard. It resists wear under heavy loads. Proper lubrication and maintenance are key. They ensure it reaches its full service life.
How do I know if I need a replacement?
Look for specific signs. Grinding noises from the gearbox are common. Difficulty shifting gears can happen. Visible damage like chipped teeth means replace it. Metal shavings in the gear oil are a bad sign. If the gearbox fails to transmit power, check this gear first. Always use the exact part number for replacement.

(12JSDX240T-1707106-1 FAST 323KD0014 Gearbox First Shaft Gear)
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