This Hypro D503 Diaphragm Pump can be used for tree spraying at medium heights of up to around 60'. The Hypro D503 comes by itself, or comes coupled to a gearbox and regulator (9910-D503GRGI) or coupled to a gearbox and regulator so its ready to mount onto gas engines with 3/4" shafts (9910-D503GRGI3/4).

Hypro RM40 control unit for D503 $182.01

The D503 diaphragm pump by Hypro and associated products include: