The Athearn HO Union Pacific ALC PA-1 3327 FW Diesel Dummy is a vintage model train engine designed for collectors and hobbyists. This pre-built, yellow diesel locomotive features a Bo-Bo wheel configuration and is made of plastic and diecast materials. With its 1:87 scale and analog control system, this piece is perfect for adding to a model railroad layout or display. The item stands at 2 inches tall and is equipped with a two-rail system, making it a unique and nostalgic addition to any transportation-themed collection.