The article contains a brief analysis of the advantages and shortcomings of a broad range of mine pumps and specifications of materials used for their manufacture. The practice of mine pump application at open pits is described. Based on the comparative analysis of performance and economics of two pump types the efficiency of Pioneer Pump product application for waste water pumping was estimated. Environmental advantages are highlighted of Pioneer Pumps pumpsets as compared with other pump types. A flowchart of the diesel-engine driven pump range offered by Pioneer Pumps is provided.