by | Jul 25, 2026
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...
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