HO Scale Compatibility: This electric train motor is specifically designed for HO scale model trains, ensuring fit and seamless integration with your 1/87 scale locomotive modelsCompact Dimensions: The motor body measures 2.1cmx2cmx1.7cm/0.83inchx0.79inchx0.67inch, with an overall length of4.4cm/1.73inch including the shaft, making it ideal for fitting into tight space within your model train setupMaterials: Crafted from metal and pp materials, this open side moyor offers performance and longevity, providing reliable power to your model trainsVersatile Use: Suitable for a wide range of HO scale locomotives, this universal motor component can be used to upgrade or replace existing motors in various train modelsSingle Unit Packaging: Each purchase includes 1 piece of the electric train motor, allowing you to buy exactly what you need without unnecessary extras Size Chart: motor body : 2.1cmx2cmx1.7cm/0.83inchx0.79inchx0.67inchoverall length : 4.4cm/1.73inch Package Includes: 1 electric train motor Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.