A semi-trailer was sighted driving at highway speed without any trailer brakes. Thanks to an eagle-eyed subscriber for submitting the image of the truck travelling down the freeway with the blue airline draped over the truck’s DPF exhaust system. The serious oversight of the driver to securely connect the blue airline to the trailer could…
The introduction of Mack’s B-Model in 1953 bought a raft of new technology and design concepts that would prove a complete departure from conventional trucks of the time. One of these more noticeable design concepts was found at the truck’s rear. Here top-mounted dual-reduction carriers were married with Mack’s Camelback suspension that eventually Mack marketed…
Mack introduced the world to their unique Camelback suspension shortly after World War Two. This robust suspension system has carried the Bulldog Breed for more than seven and half decades. In fact, at the time of writing, you can jump on Mack’s US website and order a new current model Granite with the famous Camelback…
How Cummins PT Fuel System works Little did farm boy, Clessie Cummins, from Indiana, realise his innovative invention of his technological advanced (for the time) PT fuel injection system in the early fifties would revolutionise diesel engine economy, efficiency and reliability. Nor did he ever envisage that it would endure seven decades of production. Cummins…
In trucking terms, the acronym DPF refers to the Diesel Particulate Filter used in the exhaust system of trucks built after 2009. Its purpose is to trap the particulate matter or soot produced from the engine and prevent it (down to 1-micron) from exiting the exhaust pipe. A poorly maintained or blocked PDF will cause…
This inspiration behind this article on how to reverse a dog trailer came from readers’ numerous requests of an earlier article I’d written on how to back a B-Double. In addition, many asked if I could write a technical advice article on the secrets of how to reverse or jackknife a dog trailer. If you…
The advancements in digital camera technology are certainly making life easier in countless situations: Today, for instance, video calls are considered the norm for our kids, thanks to digital technology. In medicine, miniature digital cameras play a significant role in providing important information about the human body. Furthermore, the inspection scope I use to view…
Understanding the importance of S-Cam brake balance in heavy-duty trucks is a fundamental part of truck safety and will go a long way to prevent brake failure. Many operators often see brake components as a costly profit eating commodity, consequently and, sadly, they opt for the lowest priced option when selecting replacement parts. However, regulators…
In this technical tip article, we’ll look at when to check the locking mechanism adjustment of a Jost fifth wheel and, importantly, how to perform the adjustment to return the fifth wheel to the manufacturer’s recommended specification. As a rough rule of thumb, the perfect time to check the adjustment of the fifth wheel is…
Service maintenance contracts are maintenance agreements between an equipment owner and a service provider governed by a written agreement or contract. According to Kel Stanton, owner of Kel Stanton’s Mobile Diesel Service, in Brisbane. Service Maintenance Contracts define how the parties will interact and describe all the maintenance events covered, including scheduled preventive maintenance and…