2025 WorkBoat Diesel Directory

WorkBoat’s popular Diesel Directory returns for 2025. Whether you’re planning a repower or starting a new build, our annual power guide offers a clear snapshot of the diesel engine options available to North America’s commercial fleet.

Each year, the WorkBoat editorial team connects directly with engine manufacturers, distributors, and trusted industry sources to assemble a detailed list of diesel engines and specifications, creating a go-to reference tool for vessel owners, operators, and builders alike. No fluff, no filler; just straight-up diesel power, delivered directly to your screen.