Multiple lawsuits against Caterpillar for chronic failures of its 2007-2010 ACERT diesels go beyond heavy trucks, and include school buses and motor coaches as well as at least one marine engine, ...

Continual breakdowns, ineffective repairs and financial losses from disrupted operations have pushed frustrated fleet owners to sue Caterpillar Inc., along with the truck and engine dealers who sold ...

A settlement has been reached in the class-action lawsuit that alleged Caterpillar’s 2007-2010 year model ACERT C13 and C15 engines were defective, driving up costs for owners and driving down resale ...

A sixth class action lawsuit has been filed against Caterpillar Inc. over repeated failures caused by alleged defects with its 2007 C13 and C15 truck engines. In its lawsuit filed in federal court in ...

The quest to control emissions brought the race for ever-higher torque and horsepower to a halt in 2002, with heavy-duty diesel engine manufacturers suspending sales of high-output engines. It was ...

This 2006 Kenworth T600 is owned by Jason Graves out of Brazil, Ind. The truck came with a 550-horsepower Caterpillar ACERT C15, but Graves has modified it to a 6NZ-style C16 with 750-horsepower. It ...

Gear fast, run slow. It’s a universally accepted principle of linking engine with drivetrain to give you a balance of performance and fuel economy. But how about spec’ing to run 105 km/h at 1,325 rpm?

Emissions regulations are tightening, and even now, new diesel truck owners are feeling the pain of decreased fuel mileage and clogged diesel particulate filters. In order to stay on top of new ...