How a TRM module works (Trailer Response Management)

How a TRM module works (Trailer Response Management) Words and photography by Howard Shanks. Images supplied by Knorr-Bremse The Knorr-Bremse Trailer Response Management (TRM) module is a device that improves heavy vehicle brake response time and significantly reduces combination stopping distance. It is an essential piece of equipment for prime movers without an electronic braking…

Understanding Eaton Ultrashift

How to drive an Eaton Ultrashift Eaton Ultrashift driver’s instruction manual available for download at end of article.  Eaton’s Ultrashift Plus 18-speed transmission is arguably the simplest of the heavy-duty line haul ATM gearboxes in the market to operate. There are only a few selections required to get your rig moving. For instance, to go…