Tanker trailers are specialized heavy-duty transport vehicles designed to carry bulk liquids such as fuel, water, chemicals, edible oils, or milk. Built with cylindrical or elliptical tanks made from stainless steel, aluminum, or carbon steel, they ensure stability and prevent spillage during transit. Capacities usually range from 15,000 to 40,000 liters, with some models having multiple compartments to transport different liquids at the same time. Advanced safety systems such as pressure relief valves, anti-static grounding, and rollover protection are included to handle hazardous materials. Tanker trailers are equipped with strong air brake systems (often with ABS or EBS) and air/leaf suspension to ensure smooth operation. Depending on cargo, some tanks are insulated and temperature-controlled to maintain product integrity. They are widely used in fuel distribution, chemical industries, water supply, and food-grade logistics. Designed for durability and compliance with global transport safety regulations, tanker trailers are an indispensable part of large-scale logistics operations.