Modern internal combustion engines — including those that run on diesel fuel — require a lot of special parts and systems to prevent dumping excess emissions into the atmosphere. Not only are those ...

At times a driver needs to quickly drop a working rig’s rear suspension, such as to gain more clearance under low openings or when backing under a trailer. Nothing works better for such situations ...

Beginning in October, the exhaust from newly manufactured diesel engines must produce half the oxides of nitrogen (NOx) of engines produced today with no increase in particulate matter (PM). This is ...

Installing an adjustable brake proportioning valve is more a matter of working with hydraulic brake lines than anything else. It requires patience, some planning, and a few specialized tools. Other ...