How to Operate Jost Sensor 5th Wheel

How to Operate Jost Sensor 5th Wheel The introduction of Jost’s JSK37CZ-S Sensor fifth wheel that incorporates a three-sensor coupling system a few years ago enables the driver to ensure their fifth wheel is properly coupled to the trailer from inside the cabin. Technical Editor Howard Shanks explains how the system works. Initial take-up of…

How a Horton Fan Clutch works

How a Horton Fan Clutch works Master List of Horton Fan clutches to fitted to Australian truck models at the end of the article. The Horton fan clutch has one of the most important functions in truck’s operation, yet it is one of the most overlooked components and least maintained item. In this “What to…

How a Series-Parallel Switch works.

How a Series-Parallel Switch works. Words and Photography by Howard Shanks (Illustrations supplied) The other day my mate and I were having a yarn about an old W-Model I was allowed to take for a short run. The old girl hadn’t been started for ages, needless to say it needed a little coaxing into life,…

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…

How to change 10-stud truck wheels

How to change 10-stud truck wheels Words and Photography by Howard Shanks Changing a 10-Stud wheel on the side of the road is one of those inherent unpleasant tasks that occasionally requires doing when we’d least expect or like, nevertheless if performed correctly the inconvenience to your journey can be minimised. Before commencing any tyre…