Mini - Huvicko / Yuzabi Dowser binary hydromech droid The Mini - Huvicko / Yuzabi Dowser binary hydromech droid , also known as the M - HYD , was a model of hydromech droid used to locate and harvest subterranean water sources and communicate with moisture vaporators . The model saw use on Tatooine when the captain of the " Lucky Despot " brought a shipment of them to the arid world . However , prospectors grew frustrated at the many failings of the model , and as a result , many units were abandoned . One such unit was M - HYD 6804 , which became a mainstay in the hold of Chief Nebit ' s sandcrawler . Functions and capabilities . The primary function of the fifth - degree Mini - Huvicko / Yuzabi Dowser binary hydromech droids , also known as M - HYD , was to divine and harvest water from subterranean caches . They counted amongst their features a retractable vertical sounding array , as well as a filtered moisture extractor that had the ability to funnel any sediment picked up through the model ' s top - mounted exhaust pipe . The droids were also able to perform rudimentary maintenance on GX - 8 water vaporators . Their locomotion was particularly slow , however . History . Manufactured by Huvicko / Yuzabi , a shipment of Mini - Huvicko / Yuzabi Dowser binary hydromech droids was purchased at some stage by the captain of the " Lucky Despot " . The captain believed that a ripe place for business would be the arid world of Tatooine , as the moisture prospectors of the Jundland Wastes would want aid in their search for water catchtraps . However , the droid ' s lack of speed and its ' sensor ' s inability to penetrate the magnetic disruptions of Tatooine ' s crust in the Jundland Wastes region led to widespread disenchantment amongst the prospectors . The " Prospector ' s Riot " ensued , in which the crew of the " Lucky Despot " and the locals clashed over the quality of the Mini - Huvicko / Yuzabi Dowser binary hydromech droid . Legal fees and court orders followed , and by the end of the dispute , the captain of the " Lucky Despot " was bankrupted . Mini - Huvicko / Yuzabi Dowser binary hydromech droids in the galaxy . One of the " Lucky Despot " droids , M - HYD 6804 , was abandoned by its owner when Tusken Raiders struck . The Tuskens stripped it of its water cache , and partially dismantled the unit before it was salvaged by Jawas operating under Chief Nebit . 6804 was able to speak a variety of languages , but preferred to converse in binary only . It also specialized in working with load lifter s . It spent the rest of its days in the hold of Nebit ' s Sandcrawler , which was destroyed by Imperial Stormtroopers who were looking for the droids C - 3PO and R2 - D2 . Behind the scenes . The Mini - Huvicko / Yuzabi Dowser binary hydromech droid first appeared , unnamed , in . It was later identified as an M - HYD " Binary " Droid in the " A New Hope Limited " set of the " Star Wars " Customizable Card Game . In 2007 , the droid model was elaborated on by Edward M . Erdelac ( writing as " caledre , " ) through StarWars . com ' s feature , " What ' s The Story ? " Erdelac ' s inspiration for the failed enterprising of the " Lucky Despot " came from an account of an 1830s business man who had invested all of his money into selling a shipload of in , but was ruined when the market was glutted by ships from . Erdelac also made a variety of Expanded Universe references in his entry , including the " Lucky Despot " from " " , and Huvicko from " Coruscant and the Core Worlds " .