Use the Hypro D115 Diaphragm Pump for ground to low-level spraying and pumping of herbicides, pesticides and many other hard-to-handle liquids. The Hypro D115 comes by itself (9910-D115) or comes coupled to a gearbox (9910-D115GR34) and has a 3/4" hollow shaft for attaching to 5 HP gas engines. Also available are Hypro Remote Control Units for the Hypro D115.