Railway tank: 22954 tris. Texture: 2048x2048, 4096x4096, 8 bit PNG. Normal_DirectX, Roughness, Metallic, Base_Color, AO. - chassis: 19010 tris - tank: 3944 tris.Tank car is a type of rolling stock of railways for the transportation of liquids, including: oil and products of its processing, chemically active and aggressive liquid substances (acids, alkalis, etc.), liquefied gas (propane-butane, oxygen), food (water, milk, molasses, wine, vegetable oils), etc.