Viking Belt 100 120 1030 6030 6430 6570 Reduction #4111940-01

Viking Belt 100 / 120 / 1030 / 6030 / 6430 / 6570 Reduction

Description

• Genuine Viking reduction belt designed for select vintage mechanical sewing machines.

• Transmits motor power to the internal drive system, ensuring proper stitch timing and smooth operation.

• Typically used in the reduction (speed control) assembly of mid-century to 1980s-era Viking models.

Compatibility

• Fits the following Viking models:

  • 100, 120, 1030, 6030, 6430, 6570

• May also fit other related models in the same mechanical family; verify belt length and cross-section before installation.

Notes

• OEM-grade replacement ensures correct tension, durability, and reduced vibration.

• Recommended to replace when experiencing slipping, noise, or erratic stitch speed.