Viking T21GB80 Worm Gearbox for T21 multi-tenant-intercom 000 lbs and 22 Feet

000 lbs and 22 Feet Long: A top choice for heavy-duty applications

Housing: Steel cover

the SP20W12V offers the durability and performance needed to keep your gate running smoothly

The DoorKing 1804-155 Keypad Kit is a reliable replacement designed for DoorKing 1800 Series telephone entry systems

For easy maintenance

Viking T21GB80 Worm Gearbox for T21 multi-tenant-intercom 000 lbs and 22 FeetWorm 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