Fire Engines (Appliances): (1) Water Tankers: FRNSW has a total of 127 4x4 water tanker appliances: Class Chassis make and model Body manufacturer Commissioned Number Crew capacity. Tanker Class 1 (4x4) Isuzu FTS750 Mills Tui Australia Pty. Ltd. , Queensland 2004 - 2011 58 vehicles 6