Take your HO scale operations to the next level with the Walthers Automotive Assembly Plant kit! This enormous structure forms the heart of a car factory, steel mill, or any major industry from the 1960s through today. Separately molded details, big overhead doors, signs, realistic vintage details—this is an industry must-have!
HO scale unassembled industry kit, molded in five colors and clear
Main building, separate large doors (railcar and truck loading!), windows, vents, signs included
Great for auto plant, steel mill, large warehouse, or freight terminal scenes
Fits the 1960s–present, with period signage options
Easy, glue-together assembly with complete instructions
Massive footprint: 23-1/8 x 11-13/16 x 4-3/4" (58.7 x 30 x 12 cm)
MSRP: $89.98
The centerpiece for big-time modern railroading and switching layouts!
More Information
Brand
Walthers Cornerstone
Scale
HO Scale (1:87)
Model
Automotive Assembly Plant (933-4142)
Kit Type
Unassembled Structure Kit
Size
23-1/8 x 11-13/16 x 4-3/4 in (58.7 x 30 x 12 cm)
Era
1960s–Present
Material
Molded styrene plastic
Release Date
Current
Item #
933-4142
Made In
Taiwan
MSRP
$89.98
Instruction Sheet
Download PDF
Browse more HO scale buildings or search HO industrial kits for your modern layout!
Frequently Asked Questions
What’s included in this kit?Main plant building, large rail/truck doors, all detail parts, signs, windows, and instructions.
How big is this kit?A huge 23-1/8 x 11-13/16 inches—perfect for making a true industry scene!
Is painting required?Optional but recommended for the most realistic results—parts are molded in five colors for quick display builds.
What eras/layouts is this for?Ideal for 1960s–present layouts; signage covers both classic and late-modern eras.
Where can I find more Walthers kits?Check our Walthers Cornerstone collection for more factory and warehouse buildings.
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