Speed Reducer Cast Iron High-Torque for Industrial Sewing Machines - SR-2

Improve control, torque, and stitch precision with this speed reducer designed for industrial sewing machines. The Superior SR-2 installs between the handwheel and motor pulley to reduce machine speed to approximately 1/2 or 1/3 of normal output while increasing usable torque for demanding sewing applications.

Built with a cast iron body and ball bearing construction, this reducer is made for durable performance in industrial environments. It features a 2-speed reducer design with an adjustable belt tightener mechanism and is intended for use with older-style speed clutch motors. Special installation and belts are required, and it does not include replacement belts.

This accessory is especially valuable when sewing on leather, upholstery, and other thick materials where slower, more controlled stitching is essential. By lowering the operating speed, it helps reduce overshooting and makes it easier to maintain consistent stitch placement on heavy-duty projects.

Key features:

• Reduces machine speed to 1/2 or 1/3 for better control
• Increases torque for heavy materials and precision sewing
• Cast iron construction for industrial durability
• Ball bearing design for smoother operation
• Adjustable belt tightener mechanism
• Made in the USA
• Manual greasing required

Choose this industrial sewing machine speed reducer when you need more power, better stitch control, and dependable performance for tough sewing tasks.