Union Pacific
Alco AA
1950 - 1951

Page Last Updated 7/11/02

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The 2023 Union Pacific AA units were the first early series Alco diesels produced by Lionel. These early Alcos -- produced from 1950 until 1954 -- are quality engines with many desired features. All early series Alcos remain in demand today.

The 2023 Union Pacific ran for two years. For its first year 1950, the diesel was painted yellow with red lettering, quite similar to its real-life counterpart. This yellow version is frequently referred to as the Anniversary Diesels. For 1951, Lionel changed the color of the Union Pacific diesel to be a light gray diesel with a dark gray top.

Standard features of the 2023 include: painted body with painted stripes, die-cast frame, two-axle Magnetraction, three-position E-unit, headlight in each unit, horn and operating front couplers on each unit with non-operating rear couplers. Other extras include a silver ornamental horn on each unit, headlight and windshield lens, rear metal step ladders plus illuminated number boards with the number 2023 printed in the lens.

The 2023 was produced in three distinct color variations. They include:

Additional Detail, Photos & Box Information
All 2023s are excellent diesels, however the Anniversary Diesel is usually the preferred Union Pacific Alco. Its colorful and somewhat realistic paint scheme remains in demand when compared to the rather gray version. Additionally, the only box available for any Union Pacific is a master carton -- individual boxes do not exist.

2023 Union Pacific Alco AA
Click on each Variation for a Photo
Variation Years .Box TypeYears
Yellow Shell, Gray Roof & Gray Nose Early 1950:~ ~ ~ ~~
Yellow Shell, Gray Roof & Yellow Nose 1950 :~ ~ ~ ~~
Light Gray Shell, Dark Gray Roof1951:Master Carton & Insert 1951

Inventory For Sale
The following inventory is available for sale from our website sponsors.

2023 Union Pacific Alco Diesel AA units
Click on the sponsors name for contact information.
Available inventory as of Wed Nov 26 08:03:26 2014 .
There are no 2023 items currently available for sale.
Table generated at Wed Nov 26 17:50:20 2014 .

Historical Sales
The following is a list of actual completed sales for this item.

Sales History
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All Aboard Train Shoppe6$220.00Fri Dec 6 05:37:05 2013 Here's a complete gray version of the UP Alco diesel set. This set of locomotives have been cleaned, serviced, tested and work perfectly. There are minor exterior scratches and play wear on the exterior, but no damaged.
All Aboard Train Shoppe6+$295.00Sun May 4 11:24:10 2014 This is a nice, clean, undamaged set of early yellow and gray Union Pacific Alco AA diesels. The exterior colors are clean and the side lettering is in decent condition with only minor signs of wear. The diesels have been fully cleaned, serviced, tested and work perfectly.
All Aboard Train Shoppe6+/OB$1600.00Sat Nov 17 16:02:30 2012 Here's the rare gray-nose Union Pacific Alco A diesel. This sale only includes a single Alco diesel, the second is missing. Also included is a solid original master carton, inserts and instructions, all properly dated 1950.
All Aboard Train Shoppe7+/OB$637.00Tue Nov 26 18:42:53 2013 Now available for sale is a stunning, all-original yellow Alco AA diesel set. These diesels have been completely cleaned, serviced, tested and work perfectly. There are no mildew stains and the colors are exquisite! Even the side lettering is complete and not worn.
All Aboard Train Shoppe9/OB$1275.00Tue Nov 20 21:19:24 2012 Up for sale is a near-Mint Union Pacific Alco AA diesel set from 1950. Other than minor wheel usage, there are no nicks, marks nor blemishes on the exterior. It's quite possibly these have only been test run!
Table generated at Wed Nov 26 17:50:20 2014 .

Related Paper Products For Sale
The following inventory is available for sale from our website sponsors.

Click on the Description for purchase details.
DescriptionSheet #DateConditionPriceComments
There are no related paper items currently available for sale for this product.
Table generated at Wed Nov 26 17:50:20 2014 .

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