Pump - Annovi Reverberi:

Annovi Reverberi’s axial series pumps come with a special formulated synthetic pump oil that contains anti-wear, rust inhibitor and deoxidizer additives designed to last 500 hours.

This plunger pump will pump up to 2.5 GPM at 2600 PSI. It spins at 3400 RPM in a direct drive system, coupled with a gasoline engine. The matching flange provides for a convenient connection to most 3/4” shaft, 3.0-7.5 HP engines.
http://www.watercannon.com/p-3705-plumbed-pump-rmv-25gpm-26… , From $89.99