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Launch of Dual Mass Flywheel XUV 500

Valeo Dual Mass Flywheel


Launch of Dual Mass Flywheel for Mahindra XUV 500 Diesel 


The Mahindra XUV500 is a compact sport utility vehicle produced by the Indian automobile manufacturer Mahindra & Mahindra. The XUV500 was designed and developed at Mahindra's design and vehicle centre in Nashik and Chennai, and is manufactured in Mahindra's Chakan & Nashik plant, India. During its development, the car was code named 'W201'.It is the first monocoque chassis-based vehicle the company has produced.

XUV500 is one of the most successful launches of M&M, and it generated record bookings after the launch in 2011. The company has sold over 74,000 units of the model. However, increased competition and hike in excise duties for SUVs pulled down sales of the SUV.

Power source for the Mahindra XUV500 SUV is a 1.99-litre diesel engine that churns out 138 bhp of peak power at 3,750 rpm and 330 Nm of peak torque between 1,600 rpm and 2,800 rpm. Also, the SUV returns ARAI certified fuel efficiency of 16 kmpl.

Valeo is O.E. and O.E.S. partner of most car manufacturers.

• With 95 years of O.E. expertise in friction material engineering and production, Valeo certifies outstanding DMF performance thanks to best-in-class friction materials.

• Valeo DMF technologies ensure an excellent driving experience with 100% torque transmission, high filtration of vibration and an improved shifting comfort.

Valeo Clutch Specialist finally launches the DMF technology for Indian IAM for M&M Old & New XUV vehicles with Part Number- 843654 & 843655. The OES Cross Link for this part number is 0312CAM00841N & 0312CAM00180N

It is the right time for Valeo to launch the product for the IAM Market considering the vehicle parc of around 3,30,000 nos which is a considerable potential to tap the market.


What is Dual Mass flywheel ?


The flywheel is a rotating mechanical device with a significant moment of inertia used as a storage device for rotational energy. Flywheels are available on vehicles with internal combustion engines to provide a significant inertia for a regular regime in Rotation. Rigid flywheels are most common on gasoline vehicle applications. It is a single mass made of cast iron and bolted over the crankshaft. One surface is machined to form the friction face. A rigid flywheel is always fitted with a clutch and a dampened type disc to perform the necessary clutch function:


  • Allow the engagement and disengagement between engine and gearbox
  • Transmit full engine torque through the transmission
  • Dissipate the heat generated between friction surfaces
  • Filter out dynamic vibrations between the engine and the gearbox
  • Enable flawless engine starting
  • Provide engagement comfort & driver control
  • Enable smooth gear changes


Today’s modern engines produce higher torques that can be driven at low engine speeds. As a result, the maximum engine torque to be transmitted increases thus resulting in an increase of noise and vibration.

Moving the damper springs from the conventional clutch plate to inside the flywheel allows the D.M.F to filter the torsional engine vibrations away from the gearbox and reduces the load on the transmission line. The larger damper in the D.M.F is better suited for filtering the engine vibrations (especially needed for turbo diesel engines). Gear shifting comfort is also improved with a low-inertia disc. The D.M.F. allows driving at lower engine speeds increasing engine efficiency, thereby saving fuel and reducing CO2 emissions as well as any vibration that can cause “gear rattling” & “body booms”.

D.M.F. production started in the 80s. Since then, Valeo has continued to strengthen its presence among different car manufacturers, making Valeo a key solution provider for designing and producing suitable D.M.F. for the improved driveline technologies.





Advantages of Valeo D.M.F


The big benefit of a DMF is that the engine feels silky smooth. All the power fluctuations are smoothed out or dampened down lessening the wear and tear on the transmission and clutch.

Efficient because Valeo's expertise in research and development allows the reduction of clutch noise and vibrations along with enhanced driver comfort through better gear changes, giving consumers a smoother and more comfortable ride.