HO Couplers & Accessories

HO Scale Couplers and Accessories for Precision Model Railroading

Transform your HO scale model railroad with professional-grade couplers and accessories from Kadee, the industry leader in reliable coupling systems. This collection features the complete range of Kadee coupler solutions, from the legendary No.5 metal couplers that set the standard for decades to the innovative Whisker® metal couplers with gearboxes that eliminate centering springs while delivering superior performance. Whether you need individual pairs for selective upgrades or bulk packs of 25 pairs for fleet-wide conversions, you'll find the right solution for every application.

Proper coupler installation begins with the right components. Our selection includes universal snap-together insulated gearboxes that adapt to virtually any car, precision metal coupler height gauges for accurate alignment, and under-the-ties electric uncoupler kits for hands-free operation. The Whisker® design represents Kadee's latest engineering achievement, featuring self-centering bronze springs integrated directly into the coupler shank for consistent performance without the complexity of separate centering mechanisms.

European modelers will appreciate our NEM 362 European-style couplers that combine Kadee reliability with European mounting standards. For budget-conscious projects, the 20-series plastic couplers with gearboxes deliver dependable performance at an economical price point. Every Kadee coupler is precision-manufactured to exacting tolerances, ensuring smooth coupling and uncoupling operations across your entire fleet.

Complete Your HO Scale Model Railroad

Couplers work in harmony with other essential components to create a fully operational model railroad. Pair your new couplers with quality HO trucks and wheels for smooth rolling performance, upgrade your motive power with HO locomotives, or enhance realism with DCC decoders, sound systems, and lighting solutions. Add authentic finishing touches with HO scale decals to complete your rolling stock fleet.

HO Couplers & Accessories

Related HO Scale Collections

Expand your HO scale model railroad with our extensive range of specialized collections. Browse our HO Scale Flatcar collection for versatile freight cars, explore the HO Scale Caboose selection for authentic train endings, or discover our HO Scale Gondola offerings for hauling bulk materials. For builders and detailers, our HO Scale Plastruct and HO Scale Rslaserkits collections provide essential structural components and laser-cut details.

Kadee Quality Products has been the industry standard for HO scale couplers since their introduction, offering unmatched reliability and prototypical appearance. Visit the official Kadee website to learn more about their complete product line, installation guides, and technical specifications. The Whisker® coupler design represents decades of engineering refinement, providing self-centering action without additional springs while maintaining the strength and durability required for heavy consists and continuous operation.

Proper coupler installation and height adjustment are critical for smooth operation across your entire locomotive and rolling stock fleet. Using the Kadee coupler height gauge ensures consistent coupling performance, prevents derailments during switching operations, and maintains prototypical appearance. Whether you're upgrading vintage equipment or building new models, selecting the appropriate coupler type and gearbox configuration for each application ensures years of trouble-free operation and enhances the overall realism of your model railroad.