Singer Model 15-91 Value Guide

The Singer Model 15-91 is widely regarded as one of the finest sewing machines ever engineered, produced in the United States between 1930 and 1956. Its legendary status among collectors stems from its unique gear-driven 'potted motor' which eliminates belt slippage, providing unparalleled power for heavy materials.

What Is Singer Model 15-91 Worth?

The typical price range for Singer Model 15-91 is $350 - $385 based on recent sales. However, values can vary depending on the item's condition, rarity, and other factors such as:

• Mechanical condition of the internal steel gears and the copper-wound potted motor.
• Cosmetic state of the black japanned finish and the intricate gold decals on the cast iron frame.
• The physical condition and wood species of the original integrated sewing cabinet.
• Presence of original accessories such as specialized presser feet and the knee-lever or foot controller.

How to Identify Singer Model 15-91?

• Locate the distinctive 'potted motor' mounted directly to the back of the machine head without a drive belt.
• Verify the heavy cast iron body construction and the specific Model 15 oscillating hook system.
• Check for the presence of the original wooden cabinet mounting, which was standard for this electric model.
• Examine the brass serial number plate to confirm a production date between 1930 and 1956.

History of Singer Model 15-91

Introduced in the early 1930s, the 15-91 is considered one of the finest sewing machines ever built. It was famous for its 'potted motor' which used gears instead of a belt to transfer power, allowing it to sew through heavy fabrics like leather and denim with ease. This model was a staple of American households during the mid-20th century.