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 to Couple and Uncouple a Fifth Wheel

How to Couple and Uncouple a Fifth Wheel on a prime mover is a skill that should be mastered before a driver get’s their heavy combination licence. Yet there are an increasing number of photos posted on social media of trailers being dropped. We sent our resident trainer-assessor, Howard Shanks, to find out why is…

How ride height effects shockers

How ride height effects truck shockers Words and photography by Howard Shanks (diagrams supplied by Powerdown) As the title suggests, changing the ride height of your truck’s air suspension can have shocking results on the life of your shockers. Suspensions like many components on a heavy vehicle are precision pieces of equipment that play a…