I served my apprenticeship at Volvo trucks, the engine brake alone could slow you down massively
Drum brakes on trailers are better than discs due to corrosion etc
Not so quick in Skipton this afernoon
[img] http://www.thetelegraphandargus.co.uk/resources/images/7066576/ [/img]
Driver only saved the day: [url= https://www.autoblog.com/2017/11/16/volvo-semi-autonomous-driver-reaction-video/ ]Investigation[/url]
Some bad info above also, air disc brakes are far superior to any drum combo in every way, but drums are still favoured still by some operators/fleets. They can also be favoured for heavy off road applications but not always.
UK is mainly drums and trailers still having had bad experience with bad Meritor disc brakes back circa 2000. A bad product really hurt the technology. Compared to Europe who are 80%+ ADB.
