This Annovi Reverberi AR1639 Gearbox is a 6:1 gear reducer that can be used to attach an AR50, AR503, AR813, or AR1064 Diaphragm Pump to a standard 8-18 HP gasoline engine with a 1" keyed shaft. The strong and rugged design of the Annovi Reverberi AR1064-C/SP Diaphragm Pump permit the handling of various agricultural chemicals with different viscosities.
