Walthers 933-4107 | HO Transformer Factory – Large Industrial Building w/ Overhead Crane & Substation | HO Scale

Supercharge your HO scale layout with the Walthers Transformer Factory kit! This massive industrial building is loaded with detail, featuring a functional overhead crane, roof-mounted cooling units, a substation, and a transformer load, all molded in six colors for realistic easy assembly. Perfect for any big industry scene from the 1950s to today!

• HO scale structure kit, molded in 6 colors
• Includes main building, overhead crane, substation & transformer load
• Roof-mounted cooling system and realistic vents
• Working crane for loading/unloading flatcars or trucks
• Perfect for mid-century to modern layouts (1950s–present)
• Easy, glue-together construction; fits standard factory scenes
• Footprint: Approx. 14-1/4 x 11-1/4 x 7-1/4" (36.2 x 28.5 x 18.4 cm)
• MSRP: $104.98
• Ideal centerpiece for a heavy industry railroad, steel mill, or urban district

More Information

Browse more HO scale buildings or explore HO industrial kits for your layout!

Frequently Asked Questions

• What’s included in this kit?
  Main factory building, substation, transformer load, functional overhead crane, roof details, and all assembly instructions.
• Does the crane actually move?
  Yes—kit features an overhead gantry crane that can be posed for loading scenes!
• What era is this factory best for?
  It’s perfect for layouts from the 1950s through the present, matching mainline and urban industries.
• How big is this kit?
  Footprint is about 14.25” x 11.25” and 7.25” tall.
• Is painting required?
  Not required! Kit is molded in 6 realistic colors, but can be further detailed by advanced modelers.
• Where can I find more Walthers kits?
  See our Walthers Cornerstone collection for more HO buildings and accessories.