This set of six Lionel 6-12786, 12808, 12811, 12836, and 52021 tractor trailers/tankers is a must-have for any model train enthusiast. Compatible with Lionel and O gauge trains, these trailers are made of durable plastic and are scaled at 1:48. Whether you're a collector or simply looking to add to your model train set, these trailers are a great addition.   NIB