Lionel: 2542351 - ACFX 40' Tank Car #73868 - O Gauge - These versatile and colorful cars carry everything from clay slurry to corn syrup. Well suited for trains from the 1970s to the modern day, our first run of this tooling includes die-cast trucks with rotating bearing caps, operating couplers, and some fantastic paint schemes. Each car is available in two road numbers.