SINOTRUK HOHAN 430mm Clutch Disc WG9525160018

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SINOTRUK HOHAN 430mm Clutch Disc WG9525160018

It is a core friction component of a heavy-duty truck clutch system.

Description

Function

1. Power transmission: It is responsible for transmitting the power (torque) from the engine via the input shaft to the gearbox.
2. Engagement/Disengagement: Through its interaction with the clutch pressure plate, it enables the engagement and disengagement of the clutch.
3. Gear shifting transition: In the disengaged state of the clutch, it can maintain a certain torque transmission through spring force, preventing a sudden drop in engine speed and protecting the gears.

Material

1. Friction Material: Made of organic fiber materials (such as asbestos-based or non-asbestos-based), metal-ceramic composite materials, or graphite fiber materials, it has a high friction coefficient and maintains excellent gripping performance under high pressure.
2. Metal Hub: Made of carburized steel or high-strength alloy steel. It has high hardness and wear resistance, and can withstand the enormous torque output of the engine.

Advantages

1. Capable of handling the high torque output of engines exceeding 430 horsepower, ensuring efficient power transmission during starting and acceleration.
2. The clutch generates a significant amount of heat during operation; using high-temperature resistant materials, it maintains friction performance in high-temperature environments, preventing slippage.
3. Utilizing high-quality friction materials and hardened steel, it exhibits a slow wear rate and a long service life.
4. Provides smooth friction during clutch engagement and disengagement, preventing vehicle judder or "shock."
5. Uses a specially formulated friction material that prevents external contaminants such as engine oil or coolant from affecting friction performance.

Symptoms

1. Clutch slippage: This is the most common symptom. When accelerating, the engine speed increases but the vehicle speed does not increase proportionally, or you hear the engine accelerating but the car feels like it's "slipping" and not moving forward. This is because the friction plates of the driven disc are worn thin and cannot transmit enough torque.
2. Shifting shock: When shifting gears (especially when shifting to neutral or a lower gear), the vehicle experiences a noticeable "shaking" or "jerking" sensation.
3. Abnormal noise: When shifting gears, or when the clutch is released, an abnormal metallic knocking sound is heard from inside the driven disc.

4. Visual inspection: If it's possible to disassemble and inspect the parts, check the thickness of the friction pads (usually the red, black, or brown parts). Significant thinning of the pads (typically less than 1.5mm thick) indicates that replacement is necessary.

Before replacing the driven plate, check the clutch gear (the gear that engages with the driven plate) for wear or chipped teeth. If the gear is worn, it will cause slippage even after installing a new plate.

When disassembling the transmission, it is essential to thoroughly clean any oil, carbon deposits, and debris around the clutch assembly. Oil contamination can lead to poor friction performance of the newly installed driven disc.

SINOTRUK HOHAN 430mm clutch disc WG9525160018

The company Specifically optimized for Sinotruk MC11 engines, this clutch disc ensures precise matching with pressure plates and release bearings. Featuring thickened friction linings that improve scorch resistance by 30%, it is ideal for long-distance heavy-haul transportation.

With optimized preload damping springs, it effectively reduces clutch engagement noise. The phosphated/galvanized steel plate surface provides enhanced corrosion resistance, making it suitable for humid and saline-alkali environments.

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