HO Drop-Frame Spread-Axle Chassis with Container, Chassis- PENZ #281807; Container- ALMU #820006 9

20’ ISO tank container

Tank containers bring efficiency to the transport of liquids with their uniform size and durability. Tasked with carry everything from food-grade liquids, to chemicals, to fuels; the seamless transition from ship, to rail, to truck make tank containers a preferred choice for these materials. It is estimated that ¾ million tank containers are currently in use with that number predicted to double by 2030. The cylindrical pressure vessel is mounted with an ISO regulate frame that allows lifting from both the top and bottom creating a strong exoskeleton of protection. The tanks can be both heated and cooled to ease in loading and unloading. They frequently have a lifespan of over 20 years compared to dry boxes which measure their lifespan in number of ocean trips.

While empty tank containers are seen stacked for storage, you won’t find these riding on top of other containers on a train. They will occupy the bottom spot in well cars. Early on, one could find other containers stacked on top of tank containers, but the practice now is to single stack these containers. Railroads prefer to move these containers, as they do all 20’ containers in pairs. So you will often see like or similar tank containers traveling together in a single well. The Athearn model stands out with its scale proportions. Fine etched metal walkway, several separately applied details including bent wire grab irons.

Because modelers work at Athearn, we understand that most intermodal freight cars are underweight and can benefit from additional weight being hidden within containers. As the design of these tank containers do not lend to being opened, Athearn has designed and installed a hidden weight that brings the total container weight to 1.7 ounces. It’s a difference we think you’ll notice and appreciate.

Drop-frame spread-axel chassis

Designed to provide the lowest center of gravity possible, drop frame trailers are ideal for ISO tank containers. Their design with low profile wheels and plastic fenders provides greater stability and protection for transporting bulk liquid payloads. They are frequently equipped with a lift kit that raises the front of the container 12 inches to assist with gravity unloading of contents. Metal walkway is positioned between the rear axles, providing a safe platform for unloading and accessing the container top.

The Athearn model emphasizes accuracy of the trailer bracing, with the correct structural shapes and lightening holes throughout. Additional detail has been added to the running gear as it is visible whether the chassis is loaded or not. Landing gear in both the up and down position are included as well as a lifting kit in both the raised and stored position. The chassis can easily be modeled connected to a tractor en route to a facility or docked during the unloading process.

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