Top of the page

Viking T21GB80 - Worm Gearbox for T21 Swing Gate Operators

Item No. V T21GB80
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
Unit Tariff Amount28.86

Description

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 drivetrain.

Key Features:
  • Worm gear gearbox for Viking T21 first-generation swing gate operators
  • #80 worm gear with 30:1 ratio for controlled output and torque transfer
  • Helps correct drivetrain issues like grinding, backlash, or inconsistent movement caused by wear
  • Supports stable gate motion and long-term operator reliability in security-focused installs
  • Compatibility note: T21 first generation only - confirm your operator version before ordering
Technical Specifications:
  • Part Number: T21GB80
  • Component Type: Worm gearbox
  • Drive Type: Worm gear
  • Chain Compatibility: #80
  • Gear Ratio: 30:1
  • Operator Compatibility: Viking T21 first generation swing gate operator only
  • Application: Swing gate operator drive gearbox replacement
Conclusion:
The Viking T21GB80 Worm Gearbox is a core drivetrain replacement part for maintaining controlled, reliable movement in first-generation Viking T21 swing gate operators. 
Please consult with your manual for compatibility before ordering, #16 in parts diagram.

Technical data

Vendor Item No.
T21GB80K
Item Category Code
REPLACEMENT PARTS

Resources

Viking T21GB80 - Worm Gearbox for T21 Swing Gate Operators

Item No. V T21GB80
Unit Tariff Amount:28.86

Description

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 drivetrain.

Key Features:
  • Worm gear gearbox for Viking T21 first-generation swing gate operators
  • #80 worm gear with 30:1 ratio for controlled output and torque transfer
  • Helps correct drivetrain issues like grinding, backlash, or inconsistent movement caused by wear
  • Supports stable gate motion and long-term operator reliability in security-focused installs
  • Compatibility note: T21 first generation only - confirm your operator version before ordering
Technical Specifications:
  • Part Number: T21GB80
  • Component Type: Worm gearbox
  • Drive Type: Worm gear
  • Chain Compatibility: #80
  • Gear Ratio: 30:1
  • Operator Compatibility: Viking T21 first generation swing gate operator only
  • Application: Swing gate operator drive gearbox replacement
Conclusion:
The Viking T21GB80 Worm Gearbox is a core drivetrain replacement part for maintaining controlled, reliable movement in first-generation Viking T21 swing gate operators. 
Please consult with your manual for compatibility before ordering, #16 in parts diagram.

Resources

Technical data

Vendor Item No.
T21GB80K
Item Category Code
REPLACEMENT PARTS