What is the size of a rail tanker wagon?

The size of a rail tanker wagon can vary depending on its design and purpose, but standard tankers typically have a capacity ranging from 20,000 to 35,000 gallons (about 75,000 to 130,000 liters). The overall length of these wagons usually falls between 40 to 60 feet (approximately 12 to 18 meters). Additionally, the dimensions may differ for specialized tankers used for specific commodities.