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LEGO Star Wars Ultimate Collector Series AT-ST Walker 75417 is the current UCS model. It contains 1,513 pieces, includes one unique AT-ST Driver minifigure, and measures over 14.5 inches (37 cm) high, 8.5 inches (22 cm) long and 8.5 inches (22 cm) wide. On October 18, 2026, LEGO’s US shop listed it as Available now for $199.99.
Set 75417 is not the same release as the older UCS Imperial AT-ST 10174-1. The 10174-1 model debuted in 2006 and is long-discontinued, so it is generally a secondary-market purchase rather than a current LEGO-shop item.
LEGO UCS AT-ST Walker 75417: facts at a glance
| Detail | Current set 75417 |
|---|---|
| Series | LEGO Star Wars Ultimate Collector Series, an adult-oriented display model |
| Piece count | 1,513 pieces, according to LEGO Group’s 2025 catalog and current product specification |
| Included minifigure | One unique AT-ST Driver with Imperial crest printing on the arms and a blaster pistol |
| Finished size | Over 14.5 in (37 cm) high, 8.5 in (22 cm) long and 8.5 in (22 cm) wide |
| Documented functions | Opening top hatch, detailed two-person cockpit, rotating head, opening and closing viewport shutters, adjustable laser cannons and an information plaque |
| LEGO US status checked October 18, 2026 | “Available now” at $199.99; price and stock can change by market and date |
What is the current UCS AT-ST?
75417 is LEGO’s current Ultimate Collector Series interpretation of the Imperial All Terrain Scout Transport, commonly called the AT-ST or “chicken walker.” UCS sets are designed primarily as large, detailed display pieces rather than as small play-scale vehicles. In this case, the model is built as a substantial centerpiece with an information plaque and a cockpit that can be inspected from above.
LEGO describes the vehicle as a collectible brick-built model and pairs it with a unique AT-ST Driver minifigure. The set identity matters because an earlier UCS AT-ST, 10174-1, is still present in catalogs and resale listings. Searching only for “UCS AT-ST” can therefore produce two different products from different eras.
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How many pieces are in LEGO UCS AT-ST 75417?
The set has 1,513 pieces. That figure is LEGO Group’s published count in its 2025 catalog and current product specification, not an estimate based on the model’s dimensions. It includes the parts for the walker, its articulated details, the information plaque and the AT-ST Driver minifigure.
What the piece count tells you
A 1,513-piece inventory places 75417 in the large UCS display category. The number indicates the amount of construction involved, but it does not by itself measure build time, difficulty or the final model’s weight. Those factors vary with building speed, sorting habits and the amount of detail a builder chooses to inspect.
For replacement or resale purposes, keep the piece count tied to set number 75417. Do not combine it with inventories for 10174-1: the older set is a separate release, and its piece total is not established by the product information cited for this comparison.
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Which minifigure comes with 75417?
75417 includes one AT-ST Driver minifigure. LEGO identifies it as a unique figure for this set, with the Imperial crest printed on the arms and a blaster pistol accessory.
Why the driver matters to collectors
The figure gives the cockpit a specific Imperial crew member instead of leaving the interior as an unoccupied display space. Because LEGO calls this version unique and specifies the arm printing, buyers checking a used set should verify that the correct driver and blaster are present. A generic Imperial figure is not an equivalent substitute when completeness matters.
How tall and wide is LEGO set 75417?
LEGO’s stated measurements are over 14.5 inches (37 cm) high, 8.5 inches (22 cm) long and 8.5 inches (22 cm) wide. “Over” is important: the figures are minimum published dimensions, not a promise that every pose or display arrangement will fit within exactly that envelope.
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Planning a display space
- Allow at least 37 cm of vertical clearance, with extra room if the model sits on a raised stand or shelf.
- Reserve roughly a 22-by-22-cm footprint before adding space for the plaque, viewing angle or nearby models.
- Measure the shelf’s usable depth and width rather than relying on the diagonal of a cabinet.
- Leave hand clearance around the head and cannons so you can use the documented moving features without removing the model.
The dimensions describe the completed walker, not the shipping carton or the space required to sort 1,513 loose parts during construction.
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Opening top hatch and two-person cockpit
The top hatch opens to reveal a detailed cockpit designed for two crew positions. This is the principal way to inspect the interior and place or view the included driver. Close the hatch for a clean exterior display or open it when presenting the interior detail.
Rotating head
The walker’s head rotates, allowing the vehicle to face a different direction without rebuilding the model. Rotation is a display function; the published specifications do not define a particular turning angle or a motorized mechanism.
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Viewport shutters
The viewport shutters can open and close. Showing them open emphasizes the cockpit and front windows, while closing them gives the head a more armored appearance.
Adjustable laser cannons
The laser cannons are adjustable, so their aim can be changed for alternate display poses. LEGO’s product description confirms adjustability but does not specify a firing mechanism or a range of motion.
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Information plaque
An information plaque is included as part of the display presentation. It is one reason to plan more than the walker’s bare 22-cm width if the finished arrangement places the plaque beside or in front of the model.
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Is LEGO UCS AT-ST 75417 retired?
No retirement is indicated for 75417 in the cited current status: LEGO’s US shop showed the set as Available now at $199.99 on October 18, 2026. That is a time-stamped US observation, not a guaranteed future price or worldwide availability statement. Regional LEGO shops can show different currencies, stock messages and release timing.
A shop listing can change without notice. If you are buying for a specific date, check the LEGO store for your country immediately before ordering and confirm that the set number is 75417. “Available now” does not establish how long the inventory will remain.
What is the difference between UCS AT-ST 75417 and 10174-1?
They are two distinct UCS releases, not a modern revision and its alternate packaging. GamesRadar identifies 10174-1 as the first UCS AT-ST, released in 2006, and describes it as long-discontinued. BrickLink catalogs it under the name “Imperial AT-ST – UCS.”
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| Comparison point | 75417 | 10174-1 |
|---|---|---|
| Release identity | Current UCS AT-ST Walker for adults | Earlier UCS Imperial AT-ST; first UCS AT-ST identified by GamesRadar, released in 2006 |
| Piece count | 1,513 pieces (LEGO 2025 catalog/current specification) | Not stated in the cited historical catalog details |
| Physical dimensions | Over 14.5 in high, 8.5 in long and 8.5 in wide | Not stated in the cited historical catalog details |
| Included minifigure | One unique AT-ST Driver with arm crest printing and blaster pistol | Not stated in the cited catalog identity and historical description |
| Cockpit, head, shutters and cannons | Opening hatch, detailed two-person cockpit, rotating head, opening/closing viewport shutters and adjustable laser cannons | Specific functions are not established by the cited historical description |
| Display plaque | Included | Not stated in the cited catalog identity |
| Purchase route | LEGO’s current shop listing, subject to regional stock and price changes | Secondary-market listings or parts; long-discontinued |
Because the older set’s specifications are not interchangeable with 75417’s, avoid using a 10174-1 listing to answer questions about the current model’s height, parts or minifigure. Conversely, a listing that says “UCS AT-ST” without a set number may refer to either release.
Should you buy 75417 or look for 10174-1?
Choose 75417 when you want a current boxed set
- You want LEGO’s currently listed model with a published 1,513-piece inventory.
- You want the documented modern feature set: opening hatch, two-person cockpit, rotating head, viewport shutters and adjustable cannons.
- You want the included unique AT-ST Driver and information plaque without relying on a used-set seller’s completeness claim.
- You prefer a current LEGO-shop purchase route, while accepting that the $199.99 US price and stock status are time-sensitive.
Consider 10174-1 only as a vintage collectible
- You specifically collect the 2006 first UCS AT-ST release.
- You are comfortable buying through secondary-market listings because the set is long-discontinued.
- You can verify the exact set number, instruction booklet, plaque, minifigure contents and parts condition with the seller.
- You understand that a secondary-market asking price is not supplied here and can vary with sealed condition, completeness and demand.
How to verify a listing before purchase
- Confirm the set number. Look for 75417 on a current product listing or 10174-1 on a vintage listing. Do not rely on the title alone.
- Match the release description. A 75417 listing should correspond to the current UCS AT-ST Walker; a 10174-1 listing should identify the 2006 Imperial AT-ST release.
- Check completeness. For 75417, ask specifically about the unique AT-ST Driver, blaster pistol, information plaque and the parts needed for the opening cockpit and adjustable cannons.
- Separate sealed from used condition. A sealed box is not the same purchase as a built, dismantled or partially complete model.
- Inspect the seller’s photos and return terms. This is especially important for 10174-1, where replacement parts and original accessories may be harder to source.
Display and care checklist
- Use a level surface that can accommodate a model over 37 cm tall and about 22 cm in both length and width.
- Keep enough access to rotate the head, adjust the cannons and operate the viewport shutters.
- Decide whether the top hatch will normally be open or closed before positioning the model under a cabinet shelf.
- Place the plaque where it can be read without forcing viewers to handle the walker.
- If the model is moved, support the main body rather than pulling on the cannons, shutters or hatch.
These practices do not change LEGO’s published dimensions; they simply prevent a tight display layout from limiting access to the features that distinguish this UCS model.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
