YT-600For sediment removal in reservoirs. YT 600 is a remote controlled vehicle for sediment (sludge) removal in all sorts of reservoirs'. The powerful on board submersible pump and wide nozzle allows for efficient cleaning of large bottom surfaces. The sediment is pumped through a hose to a seleceted discharge point or to a filter. Traditional cleaning after draining and then removal of the sediment requires the reservoir to be taken out of operation,