Because of this, a lot of manufacturers chose their own diagnostic connector style, and most made their own vehicle network that is proprietary to just them.

There is very rarely any “sharing” of components such as transmission and ABS. However, this standard does not exist in the off-highway world. You can read more about this on another post we did covering the SAE standards. This was mainly since multiple components are used by multiple truck makers, so everything had to be standardized. In the commercial truck world, a standard has been created. There are two very important differences to note when comparing off-highway to on highway diagnostics.įirst is the hardware. However, before we go into that, the important thing to remember with any diagnostic tool is that you need at least three components: a computer, software, and the hardware interface to go between the equipment and the computer. We are going to cover these by each manufacturer, so that you can see what the hardware costs would look like.

This market covers everything from agriculture to construction to stand-alone engines used in generators, air compressors, pumps, and quite a few more. When it comes to off-highway engine and equipment diagnostics, it is an entirely different world compared to on-highway commercial trucks.