PRE-ORDER: Walthers Mainline 910-51002 - Rocket Train Booster Car with Refrigeration Unit Union Pacific (UP) 50021 - HO Scale

Pre-Order Due Date:  July 31 2026

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Pre-Order FAQ

Most manufacturers give an ETA on when they expect to release the pre-order which can be seen near the "add to cart" button on the product page. They also give an order due date (found in the product description) which is indicative of when the product is expected to go into production.

There is a 5% NON-refundable deposit for preorders, this amount will be deducted from the price of the product when it arrives. You will see how much downpayment is required after adding the item to your cart. We do not store your payment information and it is not charged by us when the product arrives.

For any pre-order submitted after the due date, we will try our best to fulfill your pre-order, but are at the mercy of the manufacturer and if they produce more than were preordered by their dealers. If we cannot fulfill your pre-order we will credit the 5% deposit to you.

When the pre-ordered product(s) are available to ship, you will receive an email requesting the remaining 95% payment that will take you to your cart. It is at this point you are asked for shipping address and method OR in-store pickup.. We will never charge your payment method without you checking out. At this time you are also able to add other in-stock items if you wish.

Please note that Estimated Arrival Dates can change at any point. Midwest Model Railroad is not responsible for manufacturers delaying production. Visit midwestmodelrr.com/pre-orders/ for more information.

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Did you know, some of our journeys to space begin with a much more grounded form of transportation? Add a truly unique operation to your layout today with the WalthersMainline HO Scale NASA Solid Rocket Booster Train. First introduced with the Space Shuttle program in 1981, NASA's rocket train was used to transport the solid rocket boosters from Morton Thiokol in Utah to the Kennedy Space Center in Florida. The train features heavy-duty, 4-truck flatcars that carry rocket components under protective hoods. Some of the cars that carry the SRB propellant have refrigeration units to keep the temperature constant. The train also includes spacer and clearance cars between the flatcars carrying the SRB components. While the original train was retired in 2011 with the retirement of the Space Shuttle, it was re-introduced in 2020 with the start of the Artemis lunar program, delivering the SRB components for the Space Launch System rocket.
 
Features of the 66' Rocket Booster Flatcar include:

• Newly tooled protective hood
• Newly tooled refrigeration unit with flexible piping on specified cars
• Heavy die-cast metal body for improved tracking and performance
• Correct 36" RP-25 metal wheels
• Minimum radius: 24"
• Available in both prototypical and special commemorative schemes celebrating NASA and the historic Artemis moon missions
• Proto MAX(TM) metal knuckle couplers