Vehicle Mounted Army Water Tanker is elliptical in size that comes fitted with a manhole, catwalk and a ladder. The Army Water Tanker is designed with three concave perforated partition walls inside the tank to reduce pressure on the tank during start or stop or even in sudden acceleration. The Army Water Tanker is also provided with a water pump for easy filling of the tank. Vehicle Mounted Army Water Tanker can be mounted on the chassis of the truck.