The design of that car is such that it can be loaded and unloaded quickly and with little spillage through the use of air pressure

This is a Broadway Limited 5472 HO Scale Union Pacific MT Class 4-8-2 #7022 Two-tone Gray w/ Yellow

Model Number: 6-83478

This is a Micro Trains Line 489-4500501 N Scale 50' Steel Flatcar w/40' Container Load - Ready to Run USAAC #667437 (Caboose

Here is a Atlas 6990 O Scale Undecorated 45' Pines Trailer

MTH 20-95298 O TTX CSX Spine Car Set w/Tank Container & 20' Container (Set of 2) ProductID_12355174 The design of that carThis is a MTH 20 95298 O CSX TTX with Tank Car #653204 (Set of 2). MTH Premier O Scale freight cars are the perfect complement to any manufacturer's scale proportioned O Gauge locomotives. Whether you prefer to purchase cars separately or assemble a unit train, MTH Premier Rolling Stock has the cars for you in a variety of car types and paint schemes. Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: MTH