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News Archives tagged #braking

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When is a cracked disc NOT a cracked disc ?

Care should be taken when cutting open the outer packaging, score marks on the brake disc caused by a sharp blade can be mistaken for a surface crack.

Scoring of the brake disc will not be detrimental to the disc's operation and will be worn away during regular use.  

This issue mainly concerns the flat design brake disc, but any disc can be scored during unpacking. 

The flat brake disc part numbers are:

DA1058, DA1058S, DA1059, DA1063, SAU1030, SAU1031, VO1071(K), VO1072(K), VO1077(K), VO1078(K), VO1079(K) & VO1083(K).

Should you have any concerns, please contact our sales office for guidance.



WINNARD is aware of a recent notification distributed by the Driver & Vehicle Standards agency with regard to defective after-market Scania brake drums. 

We can confirm that this brake drum is not of WINNARD manufacture or supply.

In fact, as the U.K.'s leading distributor of commercial vehicle brake discs & drums, we were asked by VOSA to assess the dimensional characteristics of this failed drum and created a report to help their investigation.

The quality of the failed part should be a reminder to the industry that braking components are safety-critical parts and purchasing decisions should not be made purely on price.     

Quality control is paramount to ensure product conformity.

WINNARD has been manufacturing brake drums for over 90 years.  We have the knowledge, experience, quality control procedures and engineering technology to ensure our parts meet the quality standards required for such safety-critical components.

Thos. Winnard & Sons Ltd

Warning about seriously defective aftermarket lorry brake drums


Operators are being warned about seriously defective aftermarket brake drums that may be fitted to Scania P400 lorries within their fleet.

We are aware of 2 cases where aftermarket drums, which were not manufactured or supplied by Scania, have failed on P400 lorries.

No front braking

Both lorries were left without front braking and were fully laden.

The drums failed in the same way when the braking surface fractured and separated from the mounting ring. It is believed that this was not due to normal wear and tear.

The DVSA have been unable to identify the manufacturer but have released an image of one of the failed drums and are asking operators to let them know (on 0117 9543425 or vsb@dvsa.gov.uk) if they have similar drums fitted to their lorries and their supplier. 



BMMO D9 Bus fitted with Winnard Brake Discs 1958

Thos. Winnard & Sons Ltd have been at the forefront of brake drum production since the 1930’s but
Winnard also manufactured one of the first heavy commercial brake discs fitted to passenger vehicle in the late 1950’s.

The Midland “Red” Motor Services (BMMO & MROC) BMMO D9 was a prototype high capacity double decker bus with range of innovative features including:

  • Disc brakes
  • Independently sprung rubber suspension
  • Fully integral half cab construction.

Read more.....


Facts Magazine Issue 150 2019

Proven Quality - Proven Service - Proven Value

Thos. Winnard & Sons Ltd have been manufacturing and distributing commercial vehicle braking products since 1930 and have been supporting the independent aftermarket
since its inception. While the marketplace has changed significantly over the last 89
years the company’s fundamental principles remain the same; to supply quality products at a fair price with market integrity and respect. 

Online Catalogue

Reduce the amount of time you spend searching for and ordering the parts your business needs. Use our improved online catalogue to: quickly lookup product cross-references; search for parts that are built to fit specific vehicles; discover discs and drums that match specific dimension specifications; and much more.

Once you've found the parts you need we'll recommend related parts that you may be interested in, whilst showing you live-updating stock levels, all before allowing you to place and confirm your order safely and securely. And you never had to pick up the phone or trawl through a traditional printed catalogue.

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