Heavy-duty pickups and long-haul trucks rely on torquey diesel engines that are more economical, reliable, durable, and have a more straightforward construction than a comparable unleaded gas engine.

Besides preventing the build-up of nasty engine sludge and premature wear, protection against cold starts is one of the main reasons why you should never skip an oil change in your gasoline or diesel ...

Watch the process of cold starting vintage tractors. Tips, techniques, and challenges faced when bringing old engines back to life in chilly conditions. Feeling dizzy when you stand up quickly?