Kadee 804 Medium Centerset Plastic Couplers with Plastic Gearboxes - Black O Scale

The Kadee 804 Medium Centerset Plastic Couplers in O Scale are industry - leading. They come in a sleek black color. These couplers feature New Generation AAR Type 'E' 'Prototype' Head Long Centerset Metal Couplers, along with a #850 O Scale centering spring. Each package includes two #804 original - style plastic couplers with a medium centerset shank, two #817 plastic gearboxes and lids, and three #850 O Scale centering springs. The #746 Metal Coupler can be used with the included #817 Plastic Gearbox or other optional gearboxes (sold separately). The design is simple to install, operates trouble - free, and is compatible with all Kadee® O - Scale Couplers. It offers world - renowned quality and long - lasting performance. However, avoid using a metal coupler directly on a metal surface or in a metal draft gearbox to prevent electrical issues. One pair comes per package, and the UPC is 765484008040. The #804 couplers are made of plastic, have a medium shank length of 47/64', a centerset offset, and work in place of several other O - Scale couplers. The #817 plastic draft gearboxes and lids are also plastic, with dimensions of 25/32'L x 1/2'W x 7/32'H. Mounting height is 25/32', centerline is 1 1/16', trip pin height is 1/16', and 2 - 56 insulated screws are commonly used for mounting.

Using these Kadee 804 couplers is easy. First, make sure you have all the parts from the package: two #804 couplers, two #817 plastic gearboxes with lids, and three #850 centering springs. You can simply drop the couplers into place. The #746 Metal Coupler can be paired with the included #817 Plastic Gearbox or other optional ones. When mounting, use 2 - 56 insulated screws. The mounting height is 25/32', the centerline is 1 1/16', and the trip pin height is 1/16'. Just be careful not to use a metal coupler directly on a metal surface or in a metal draft gearbox. This can cause electrical problems and damage your equipment. To maintain these couplers, keep them clean. You can use a soft brush to remove any dirt or debris. Check the springs regularly to make sure they are in good condition. If you notice any wear or damage, replace the parts as needed. With proper use and maintenance, these couplers will give you trouble - free operation for a long time.