The car bodies are made of plastic and they are prototypically lettered

25-Ton Diesel (Pack of 4)

The Trainz SKU for this item is P12414479

Here is a Walthers 932-5017 Deep Rock 6603 HO Tank Car Kit

Piko 38903 G Vintage Warbirds Republic Aviation P-47 Thunderbolt Hopper VariantsUnitPrice_number_241.83 The car bodies are madeThis is a Piko 38903 G Vintage Warbirds Republic Aviation P 47 Thunderbolt Hopper. Features: A PIKO one of a kind design, produced only once, Offset side design, open top, two bay hopper (perfect for coal or other bulk goods), Numerous molded on details including handrails and stirrup steps, Heavy duty, durable plastic wheels for long term use in all environments, Hook and loop type couplers, Crisp and clean lettering and logo designs, Created with