Viking T21GB80 Worm Gearbox for T21 vehicle-access The operator is Fire Department

The operator is Fire Department compliant

Rod Stroke: 13

The Viking DUMSCB10 Replacement Control Board is an essential component for maintaining the performance and reliability of first-generation Viking dual gate openers

It replaces the K1D9039-1CC board

Viking T21GB80 Worm Gearbox for T21 vehicle-access The operator is Fire DepartmentWorm Gear Gearbox for Swing Gate Operator Drive Systems The Viking T21GB80 Gearbox is a worm gear drive assembly used in Viking T21 first generation swing gate operators. This gearbox transfers motor output into controlled operator movement, helping maintain predictable gate travel and consistent holding force at secured perimeter entry points. Replacing a worn gearbox helps restore smooth, dependable operation and reduces stress on the operator