This self priming amp fully submersible pump is ideal for re fueling or refilling transmission and hydraulic fluid systems for plant agricultural and marine equipment on site or where there is no access to mains electrical power and even better it also pumps diesel and both clean and dirty water too plus it39s conveniently portable and of course low voltage 12v power input means it is cheap to run electrically safe and autonomous from 230v mains power too supplied with a 3 metre