Hydraulic gear pumps are deceptively simple: just two gears rotating together, forcing the hydraulic oil from one side to the other where the teeth don’t meet, and thus providing the ability to ...

Can I build that myself?" Yes, you can, and HOT ROD is going to show you how. It's easier than you think, but it won't be cheap. Reliable power is expensive. You'll also need a few specialized tools, ...

A well-built fire pump and hose kit can make the difference between property damage and protection during bushfire season. To build a complete setup, the system must deliver strong water pressure, ...