What is a Wet Line on a Truck and Why Do You Need One?
If you've spent much time around heavy-duty rigs or truck stops, you might have heard a driver mention their setup and wondered what is a wet line on a truck and why it seems to be such a big deal for certain jobs. At first glance, it just looks like a couple of thick, messy hoses coiled up behind the sleeper cab, but those lines are actually the difference between a truck that just pulls a box trailer and a truck that can move mountains—literally. ...