Viking T21GB80 Worm Gearbox for T21 multi-tenant-intercom the SP20W12V offers the durability

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

For easy maintenance

Proximity Card Compatibility: Supports SECO-LARM 125kHz proximity cards (PR-K1S1-A) and key fobs (PR-K1K1-AQ) for secure

Built for continuous-duty swing gate performance

Whether managing access to parking lots

Viking T21GB80 Worm Gearbox for T21 multi-tenant-intercom the SP20W12V offers the durabilityWorm 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