This article was updated Jan. 17, 2023. It was originally published Oct. 21, 2004. Using the correct thread is critical for proper mating and replacing hydraulic fittings. First and foremost, it is a ...

That box of assorted rubber O-rings under the workbench in your shop might supply the cure to leaky hydraulic connections, or it might just interrupt the leak for a day or two. Flat-face hydraulic ...

Replacing worn-out couplings with the incorrect size can cause unintended consequences. Flow velocity is an important consideration when replacing a larger hydraulic hose inside diameter with a ...