This old barn find tanker seems like a versatile piece of equipment with a capacity of 30000L. It's capable of carrying various types of liquids such as milk, water, liquid fertilizer, and herbicide. The price of $9500 sounds reasonable for a tanker of this size that can transport different types of liquids. It could be a useful addition to your farm in FS25, offering flexibility in managing your liquid transport needs. Make sure to maintain and upgrade it as needed to ensure it operates efficiently. Happy farming!