Vectra Advanced Engineering Pvt. Ltd. Manufactures Water Bowser Tanker. Vectra Advanced Engineering Pvt. Ltd. Manufactures Engineering, Material Handling and Construction Equipment, Automotive and Real Estate, Information Technology and Services sectors. The Water Bowser Tanker is designed to transport and if required distribute drinking water on public roads or in heavy / difficult terrain off the roads. The total payload carried on a Tatra T815 6 X 6 chassis is 10,000 litres of water. The Water Bowser Tanker is made of anti corrosive steel sheet and is reinforced by rings and partition walls preventing dynamic impacts of the fluid in transport.