PTO Pumps

RAINBOW P.T.O. Rainbow’s line of heavy duty Tractor P.T.O. driven centrifugal pumps are the result of over 40 years of pump experience. These tough and reliable pumps may be coupled quickly to a conventional 540 RPM tractor power take-off with a 1 3/8 inch, six-tooth spline, or 1000 RPM take-off with a 1 3/8 inch, 21-tooth spline.

The capabilities of these pumps range from 250 to 2100 GPM and from 90 to 200 PSI. Heavy Duty Steel frames in Category II and III – 3 point hitch or two wheel trailer with 4.80″ x 12″ tires, P.T.O. drive shaft, a heavy duty gearbox with expansion chamber, and a mechanical shaft seal. The Gear Box is rated for up to 175 HP load available in 540 or 1000 RPM drives.


Rovatti centrifugal pumps are connected to the tractor by a universal joint and mounted on a heavy duty trolley or 3 point hitch. These pumps are the result of many years experience which has mad them nearly trouble free and trustworthy to a maximum.

They are constructed of high quality cast iron with an overgear gearbox which is oil lubricated and a unique water circulation cooling. The construction permits very long life of the mechanical parts even when operating for long periods of time in critical environmental conditions.