Automatic Transmission Clutch Plate 1878004832 For MAN Trucks And Buses

Automatic Transmission Clutch Plate 1878004832 For MAN Trucks And Buses

1.Product name:clutch plate/disc
2.Part No.:878004832
3.Car make:MAN truck
4.Weight:9.412KG
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Product Introduction

High quality Sachs automatic clutch plate, part number 1878009556. Suitable for heavy-duty trucks and AMT transmissions. OE standard, durable, and reliable performance for European commercial vehicles or Heavy duty truck.

Parameter 430MM
Hub profile 2" -10N
NO. OF TEETH &SPRING 10/6
Weight: 9.4KG
Suitable vehicle MAN 

 

Photoes for ATM clutch disc 1878009556

01         utomatic Transmission Clutch Kit for Trucks and Buses

 

🔧 Structure of Triple-Damper Clutch Disc

A Triple-Damper Clutch Disc is specially designed to absorb higher torque and reduce vibration in commercial vehicles and heavy-duty machinery. Its structure includes the following components:

🧩 Main Components

Friction Linings

High-performance friction materials bonded on both sides of the disc

Designed to engage smoothly with the flywheel and pressure plate

Wear-resistant and heat-resistant

Core Plate (Steel Disc Base)

The rigid steel plate that provides structural support

Precisely engineered for strength and flatness

Multi-Stage Damper Springs (Triple-Damper System)

Primary Damper Springs: Handle low-speed torque fluctuations

Secondary Damper Springs: Absorb mid-level torque impulses

Tertiary Damper Springs: Manage high torque load and shock

This layered damper design significantly reduces drivetrain vibrations and enhances driving comfort

Spline Hub with Floating Function

Precision-machined inner spline matches transmission input shaft

Often designed with a floating or flexible interface to reduce wear and noise

Cushion Plate or Wave Spring (Optional)

Allows gradual engagement of the friction linings

Softens initial contact with the flywheel for smoother operation

Rivets & Damping Plates

Securely connect friction linings to the steel core

Additional damping plates may be included for high-load applications


Key Advantages

Superior shock absorption

Enhanced durability under heavy torque

Smooth engagement and gear shifting

Extended service life, especially in trucks, buses, and agricultural machinery

 

 

Clutch plate 1878009556 structure diagram

 

product-950-776clutch plate

 

Clutch disc 1878009556 is used for clutch kits as follow:

1 Clutch Kit 3400 122 201
2 Clutch Kit 3400 127 401
3 Clutch Kit 3400 700 327
4 Clutch Kit 3400 700 330
5 Clutch Kit 3400 700 332
6 Clutch Kit 3400 700 333
7 Clutch Kit 3400 700 334
8 Clutch Kit 3400 700 379
9 Clutch Kit 3400 700 399
10 Clutch Kit 3400 700 403
11 Clutch Kit 3400 700 450
12 Clutch Kit 3400 700 485
13 Clutch Kit 3400 700 493
14 Clutch Kit 3400 700 495
15 Clutch Kit XTend 3400 700 508
16 Clutch Kit 3400 700 688

 

 
Our factory Equipment & samples
 

 

02
eQUIPMENT FOR CLUTCH PLATE 
product-800-533
03MACHINE FOR CLUTCH PLATE 
05
liheqipian0000SAMPLES FOR CLUTCH DISC 

 

FAQ

Q: What is the difference between good quality clutch plate and bad quality clutch plate?

A: 

Here's a breakdown of the key differences between a good quality clutch plate and a bad quality clutch plate:


Good Quality Clutch Plate:

Material Quality:

Made with high-grade friction material (ceramic, kevlar, or organic).

Durable metal backing and springs to withstand pressure and heat.

Precision Engineering:

Accurately machined components ensure proper fitment and balance.

Minimal vibration or noise during operation.

Heat Resistance:

Maintains performance under high-temperature conditions.

Reduces risk of warping or early wear.

Friction Stability:

Consistent engagement and disengagement.

Prevents slippage and ensures smooth gear shifts.

Longevity:

Designed for long service life and high mileage.

Resists wear even in heavy-duty or commercial applications.

Brand Assurance:

Comes from reputable manufacturers (e.g., Sachs, Valeo, LUK).

Usually tested and certified to meet OEM standards.


Bad Quality Clutch Plate:

Low-Grade Materials:

Made with cheap friction linings that wear quickly.

Springs and backing plates may be poorly heat-treated.

Poor Craftsmanship:

May have uneven surfaces or misaligned components.

Causes juddering, noise, and uneven wear.

Overheating Problems:

Cannot handle high temperatures; easily scorched or glazed.

Reduces friction efficiency and shortens lifespan.

Slippage & Shuddering:

Inconsistent engagement.

Harder to drive smoothly, especially under load.

Short Service Life:

Fails early, requiring frequent replacements.

Can damage other transmission components over time.

Unbranded or Counterfeit:

No guarantee of quality or reliability.

Risk of failure and vehicle downtime.

Q: What is a Clutch Plate and What Does It Do?

A: A clutch plate is a crucial component of a vehicle's manual transmission system. It is mounted between the engine flywheel and the pressure plate, and it plays a key role in engaging and disengaging power from the engine to the transmission.

🔧 What It Does: When the clutch is engaged, the clutch plate is pressed tightly between the flywheel and the pressure plate. This allows engine power to flow smoothly to the gearbox and wheels, moving the vehicle. When the clutch is disengaged (pedal pressed), the clutch plate is released, interrupting the power flow. This allows the driver to change gears or stop the vehicle without stalling the engine.

✅ Key Functions: Transfers power from the engine to the transmission Allows smooth gear changes Helps start and stop the vehicle without damaging the engine Absorbs vibration and protects drivetrain components

Q: How Do I Know If My Clutch Plate Is Worn Out?

A: A worn-out clutch plate shows several noticeable symptoms that affect how your vehicle drives. Here are the most common signs:


⚠️ Common Signs of a Worn Clutch Plate:

  1. Slipping Clutch

    • Engine revs increase, but the vehicle doesn't accelerate properly

    • Especially noticeable when going uphill or under load

  2. Hard or Difficult Gear Shifting

    • Trouble engaging or changing gears smoothly

    • Grinding noise when shifting

  3. Clutch Pedal Feels Spongy or Too Loose

    • Pedal may feel soft or sink to the floor

    • Poor response when pressing the clutch

  4. Burning Smell

    • A sharp, burning odor from under the hood (caused by friction)

    • Often noticed in traffic or after aggressive driving

  5. Vibration or Juddering When Releasing the Clutch

    • Shaking or shuddering when starting from a stop

    • Caused by uneven wear or damaged friction material

  6. Poor Acceleration

    • Delay between engine revving and actual vehicle movement

    • Loss of power transfer from engine to wheels


🛠️ What to Do:

If you notice any of these symptoms, it's best to have your clutch system inspected by a mechanic. Driving too long with a worn clutch can damage the pressure plate, flywheel, and even the transmission. 

FAQ

Q: How Long Does a Clutch Plate Usually Last?

A: The lifespan of a clutch plate depends on various factors like driving style, vehicle type, and road conditions.

On average:

⏳ Typical Lifespan:

 50,000 to 100,000 kilometers (about 30,000 to 60,000 miles) for most vehicles

 In commercial or heavy-duty vehicles, it may wear out sooner

 In light use with good driving habits, it can last even longer

🚗 Factors That Affect Clutch Plate Life:

1.Driving Habits

 Riding the clutch, aggressive starts, or frequent stop-and-go driving reduces lifespan

2.Load & Usage

Heavy loads, towing, or uphill driving puts more strain on the clutch

3.Quality of the Clutch Plate

High-quality brands (like Sachs, LUK, Valeo) generally last longer

4.Traffic Conditions

City traffic causes more wear due to frequent clutch use

5.Proper Installation

A poorly installed clutch can fail prematurely

Tip:

To maximize clutch life, avoid resting your foot on the clutch pedal, engage smoothly, and use engine braking when possible.

 

 

 

 

 

 

 

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