The dock mobile Continuous Suction Pump (CSP-D) requires no extra equipment to handle the entire conveying process from ship to bulk truck. This enables it to work in practically any type of dock environment. The unloader carries all the necessary equipment on the trailer complete with either diesel or electric drive. CSP-D unloader capacities up to 125 tonnes per hour are available and are suitable for unloading 8000 DWT ships. The Continuous Suction Pump Dock Mobile unloaders handle powdery materials such as cement, alumina, fly ash, gypsum, etc. without causing any dust nuisance. The vacuum system combined with the long reach of the suction arm enables dust-free operation. All CSP-D units are available with an long and highly manoeuvrable suction arm allowing uninterrupted unloading from the hold of the ship, whether a coaster or an inland vessel. The suction arm and the vacuum system pick up all the cargo right down to the bottom of the hold, thus minimising clean-up and maximising efficiency.