Every diesel truck owner wants an engine brake on their rig. That is if they don’t already have one. They help slow your pickup without cooking the brakes. But how do they work? And why don’t pickup ...

In any automotive braking system, the linchpin factor is pressure. When you press on the brake pedal in your car, for instance, pressurized brake fluid is distributed to the pistons in wheels, which ...

Fleet managers should have a good understanding of engine brakes and how they are properly used. How often do you hear drivers complaining about weak engine brakes? Some drivers will say the engine ...

Heavy-duty fleets looking to improve performance can now turn to the Walker Mega-Flow NoiseBraker muffler. Manufactured by Tenneco Inc, the NoiseBraker Heavy-duty fleets looking to improve performance ...

Q: While driving north on Route 512 leaving Bath, I noticed signs that said “Brake Retarders Prohibited.” I used to live in Bath and have driven that stretch millions of times, never noticing them, so ...

Ever had this happen? You're flat-towing your 4x4 through the mountains and there's a particularly long downgrade up ahead. Maybe your brakes are already a little hot, the pedal is a bit spongy, and ...

We tested our X12 in a Cascadia daycab on Interstate and two-lane highways in Western New York, near Cummins’ Jamestown plant. Photos: Jim Park Cummins’ new X12 engine is slated to hit the street ...