Modern diesel engines perform exceptionally well at 1,100 to 1,200 rpm. They deliver peak torque just a few hundred rpm above idle, and peak horsepower somewhere around 1,500 or 1,600 rpm. But what ...

Drivelines have changed to match engine torque profiles, chopping engine cruise speed nearly 500 rpm over the past 15 years. If there’s a problem with trucks and truck equipment in general, the ATA’s ...

Truckers have long appreciated the safety value of engine retarders, but the general public has always been annoyed by the noise they produce. That's the mystery faced by engine brake manufacturers ...