Trailer Parts Direct supply a range of automotive 4wd water tanks. These vehicle water tanks can simply be bolted underneath your ute tray, truck tray, trailer underside, you name it. They are available in 15 Litre, 23 Litre, 30 Litre and 60 Litre models and feature a hand pump ideal for soap or suncream. When we look at introducing a new line of automotive 4wd water tanks we firstly examine the quality, applications and the full range existing in both Australian and global markets.